C I E R CO

CADEMO Research and Demonstration Goals

Resolving California’s needs for an offshore wind pilot project

Prepared by CADEMO Corporation

June 2021

Now

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032

T r

Early 2025 Early 2028 Lale2020 Lale2030 Mid 2022 Early 2023 Late2026+ Submission of BOEM BOEM review & Completion of BOEMpenntt, Consbuction Earliest possible data

s approval approval of Site design envelope auction BOEM of dplatfonns for instalation of first & Assessment COPtoBOEM environmental & installation begins turbine

Plans technical reviews design

Bureau of

Ocean Energy

Management

(BOEM) proces

for Morro Bay

Ca li fornia

State Lands Commission

(SLC)

process for

CADEMO

December Late 2023 Early 2026 2020 SLC and other Installation at SLC publi~ agencies permit Vandenberg engagement approval site starts

October 25, ~~~~ary Mid 2026 2021 Early 2023 First export NOP approval EIR approval by Construction of power by SLC SLC of platforms and commissioners commissioners begins completion _ ________ ....;;.;.;;;:;.;.;;.;;.;;;;.i

4+ years time advantage

Allows time to conduct environmental research, test compatibility with military activities, build supply chain,

and develop ports capacity.

" ________________________________________ _

CADEMO Project (A2222) CADEMO Research and Demonstration Goals

1. PURPOSE OF THE CADEMO PROJECT

The overall aim of the CADEMO project is to "DEMONSTRATION PROJECTS" are

defined as “projects that put into

practice, test, evaluate and

disseminate actions, methodologies or

approaches that are new or unknown

in the specific context of the project,

such as the geographical, ecological,

socio-economic context, and that

could be applied elsewhere in similar

i circumstances” or “a project that is

innovative or new to the state”ii.

demonstrate new models of floating offshore wind

technology to the emerging Californian offshore

wind market. This demonstration project will be the

first of its kind through permitting, leasing approval

and the grid interconnection process in California.

CADEMO proposes to install four offshore wind

platforms, comprising two different floating

designs, with turbines of 12-15 MW each. The

deployment of floating platforms with turbines at

this scale has not been done anywhere else in the world to date.

CADEMO will demonstrate the technical, environmental, economic, and social aspects of

commercial offshore wind in California. The CADEMO project will not act as a silver bullet to

answer all technical, environmental, and social issues associated with commercial offshore wind

development in California - no one project can do PURPOSE of the CADEMO project - to be the

first:

to install floating wind turbines in the

12 – 15 MW range.

to fabricate, install and test 2 different

floating foundation designs.

floating wind project >4 years ahead

of federal plans.

to launch local industry for

competitive readiness and creation of

new jobs.

this, as each deployment environment is unique

and will have its own particular set of aspects to

consider. The CADEMO project will, however,

resolve the state’s need to prove floating platform

designs on the largest-scale turbines, study

environmental effects in real-world California

conditions, and develop an in-state supply chain

rather than relying on imports.

The research results and lessons learned from

CADEMO will significantly improve the chances of success for California’s offshore wind industry

overall. Key to delivering CADEMO as a demonstration project is its ability to be in the water at

least four years before any offshore wind project in federal waters.

Page | 2 June 2021

CADEMO Research and Demonstration Goals CADEMO Project (A2222)

CADEMO is being developed entirely within California state waters, so it will have no influence

on the timing, scale, or decisions to be made within the larger commercial-scale leasing process

in federal waters undertaken by the Bureau of Ocean Energy Management (BOEM).

2. VALUE OF A DEMONSTRATION PROJECT CADEMO advantages include:

• small enough to avoid significant

impacts on fisheries, birds, and marine

mammals.

• large enough to provide sufficient scale

for research credibility.

• situated close enough to shore to

provide accessibility.

• ideal to test and validate technologies

and processes needed for deep

waters.

The CADEMO site has been carefully chosen to

allow suitable access to evaluate both the

technology performance and its environmental

interactions. The smaller scale of the

demonstration project and its proximity to shore

means that it will be more feasible to access and

learn from this early installation, make

corrections, and prove concepts of environmental

avoidance and operation. Despite claims from

other sources, it is not true to state that projects closer to shore cannot provide learning for

developments further offshore. In fact, most demonstration projects for fixed offshore wind have

been near shore (e.g., ORE Catapult Methil, UK (0.1 miles from shore), Blyth, UK (0.5 miles),

Vindby Offshore Wind, DK (1 mile), Aberdeen, UK (1.8 miles), Middelgrunden, DK (2 miles),

Haliade X Rotterdam Harbor, NED (0 miles), Block Island, US (3.8 miles)).

The demonstration value of CADEMO can be summarized in four categories: Technical,

Environmental, Economic and Social. While we are providing examples of some of the

demonstration ambitions of the CADEMO project, we know that more opportunities will be

identified as we engage further with stakeholders and the local supply chain.

Technical

The U.S. West Coast is fundamentally different from the locations where most offshore wind

projects have been deployed to date. California’s waters are deeper, and the maritime physical,

environmental, and social aspects are completely TECHNICAL BENEFITS:

• Test a new generation of wind

turbines and floating platforms.

• Full scale of technologies deployed.

• Provides results before deployment

of 200-270 wind turbines in Morro

Bay.

• Validate advanced mooring

systems and cabling strategies and

DoD equipment, paving way for

future deployments.

• Test and validate projections of

Levelized Cost of Energy.

different. In addition, floating offshore wind

technology is relatively new. Only three floating

wind platform designs have been deployed at

scale to date and none of these in U.S. waters. The

mere fact of deploying new floating offshore wind

platforms in the Pacific is a demonstration action

in itself. It will enable technology learning in how

to fabricate, install and operate floating turbines

at this scale in Pacific sea conditions – including

how the turbines behave, their control systems

and testing installation and O&M strategies. The

project will also offer opportunities to test and demonstrate modular technologies that have the

June 2021 3 | Page

CADEMO Project (A2222) CADEMO Research and Demonstration Goals

potential to reduce the Levelized Cost of Energy (LCOE), applicable across floating platform

technologies and in deeper water, thus enabling offshore wind to be competitive in California

power markets. Cierco has already discussed opportunities with several technology developers

(including partnering on research opportunities) on unique anchoring and mooring systems

intended to be deployed on the CADEMO project.

Environmental

Some stakeholders have legitimate concerns that the projects proposed for development in

federal waters are at such large scale that they may pose a significant risk of unforeseen

environmental harm, the CADEMO project can address those issues at an appropriate scale

before they are installed. A demonstration project in state waters allows for carefully controlled

management of wildlife interaction, environmental risks, and the testing of effective mitigation

measures before large-scale build-out proceeds. Currently, little or no research has been

conducted of the interactions of West Coast fish, bird, and marine mammal species and wind

turbines and barge moorings. CADEMO will allow studies of the impacts of floating offshore wind

projects on a broad variety of relevant species, including birds, bats, cetaceans, fish, reptiles, and

ENVIRONMENTAL ADVANTAGES:

• The area provides a wide range of species,

where interactions and behavior around

the wind turbines can be documented

• Test and validate methodologies and

equipment to mitigate or eliminate impact.

• Valuable information can be documented

around 4 wind turbines instead of 200 - 250

units.

• Opportunities to deploy equipment to

undertake long term monitoring and

document species in the actual

environment.

invertebrates (corals and shellfish) – all on a

relatively small scale that poses minimal risk to

habitats and species.

For example, gray whales migrate generally

close to shore than three nautical miles and

are potentially present in the project area, so

evaluation of effects is likely to be more

accurate and representative than further

offshore. Impacts to gray whales are unlikely,

but the demonstration project can confirm

this and provide greater certainty for a major

industry going forward. More widely, the

project offers an outpost to examine the abundance and movement of listed cetaceans

(humpback, blue, fin, sei, sperm, and northern right whales) closer to shore and monitor their

interactions with offshore wind turbines at small scale with low risk.

The project also provides a unique opportunity to identify issues, and test mitigation and

monitoring strategies at a small scale prior to wider commercial roll out. For example, floating

barges may present unforeseen opportunities for pinniped haul out, the project offers the

prospect to monitor potential haul-out areas on the floating barges (which have never been

deployed in California) to understand the risk likelihood, and test haul out deterrent methods if

needed. There are numerous other opportunities to test technology offshore – for example night-

time radar surveillance for bats/birds, remote monitoring of moorings for derelict/ghost fishing

gear and techniques for removal, turtle interaction surveillance, etc. The project will be a good

Page | 4 June 2021

CADEMO Research and Demonstration Goals CADEMO Project (A2222)

opportunity to adopt a “survey, deploy and monitor” approach throughout the permitting

process, providing an opportunity to test the effectiveness of monitoring and mitigation systems,

procedures, and techniques prior to the wider commercial deployment.

Economic

Offshore wind is a global, competitive industry, and California project developers will face

considerable market pressure to source foreign-manufactured and constructed inputs rather

than locally made products. CADEMO will enable the development of a local supply chain, ports,

and workforce for the large-scale commercial opportunity.

ECONOMIC VALUES:

• The project is active part in a State High Road

Training Partnership with trade unions and

work force development groups to identify

opportunities for job creation and training.

• Early launch of industry is required to mature

industry for competitiveness to avoid

imported options.

• Local industry is required to reach the

targeted job creation numbers by state and

federal government.

• Work with fishing industry to document

impact on fishing and fishing methods as well

as access.

CADEMO provides an opportunity to set a

workforce development “high road”

standard for the industry. CADEMO has

partnered with the Tri-Counties Building and

Construction Trades Council, IBEW 1245, and

other groups in a High Road Training

Partnership (HRTP), funded by the California

Workforce Development Board. Our HRTP is

aimed at identifying options for CADEMO to

incorporate a high road California supply

chain and to ensure community benefits

such as pre-apprenticeship programs with

hiring targets for local disadvantaged communities. This is key to establishing the offshore wind

industry as a model for a “just transition” to clean energy with well-paying union jobs and social

equity.

The fishing sector is a key industry impacted by the deployment of commercial scale offshore

wind in California. The potential impacts range from loss of access to fishing grounds to risks of

radar interference and navigational safety. CADEMO is an ideal small-scale demonstration project

to identify key issues, test potential solutions and formulate good inter-industry working

practices prior to wider commercial implementation. Some examples are testing of radar

trials, and fishing technique interaction

SOCIAL BENEFITS:

• Identification and validation of key

stakeholder issues on the West Coast.

• Confirmation of the potential of

offshore wind to contribute to

attainment of SB 100 goals.

• Testing concept of security of

decentralized supply in a vulnerable

area

systems, Automatic Identification System (AIS)

requirements.

Social

As a new technology on the West Coast, a small-

scale demonstration will enable a deeper

understanding of the technology, social context

and stakeholder views in the region before large-

scale development in federal waters. Installing a

demonstration project by 2026 will prove that

California can host and deliver offshore wind,

June 2021 5 | Page

Provide a facility to demonstrate new model of

floating offshore wind at 12MW+ scale

Need to test Lack of floating platform designs at advanced stage Behavior & control on full­scale operations in California's Pacific conditions Test and demonstrate deployment to reduce LCOE (cost) Installation strategies Scale (e.g. cranage, turbine coupling with floater, etc) DoD interactions Operational strategies

Fabrication, installation and operation of two new floating platforms at >12MW scale. Provision of platform to test new modular technologies (e.g. HAGGIS anchors, DOC Load Reduction Device, etc). Test installation strategies using local supply chain and infrastructure.

ENVIRONMENTAL

Identify, monitor and address environmental floating wind issues of concern in California

_j_ Impact of noise and entanglement on marine mammals

Avian and bat interactions

Turtle interaction

Pinniped haul out

Benthic/seafloor impact

Noise / EMF

Permitting process -appropriate monitoring and mitigation measures

Entanglement (PNNL MoorSea proposal).

Develop technologies to detect bird/bat presence and avoid mortality at a small , manageable scale.

Survey, deploy and monitor mitigation measures with mooring and structures.

ECONOMIC

Evaluate and prepare the California economy for

commercial scale floating offshore wind

Contribute to SB 100 goals Grid stability and resiliency Supply chain preparedness and requirements Port and harbor infrastructure Fishing interactions

_J_

Delivery of 60MW by 2026 to contribute to stability and resiliency of state and local grid.

Engagement with local supply chain on the provision of materials, fabrication, installation and O&M services, components, etc in preparation for large-scale BOEM deployment.

Identification and development of port facilities for construction, assembly and O&M.

Test fishing interactions at small scale - e.g. radar risks, AIS coverage, navigation risk,

Lexclusionlencroachment, cable safety, etc. ~ l

Identify, understand and socialize the concept of

floating offshore

Workforce development

Social equity - ensuring offshore wind takes "high road" not "low road"

University research

High Road Training Partnership to prepare local workforce. Identify supply chain issues for public discussion: local production or imports? Create pre-apprenticeship programs with targeted hiring in disadvantaged communities. Early identification and resolution of stakeholder concerns about full-scale BOEM offshore wind development. Research agreement with Cal Poly and REACH on fisheries and economic impacts.

______________________________________________________________________________

CADEMO Project (A2222) CADEMO Research and Demonstration Goals

providing confidence that offshore wind can provide a significant contribution to the state’s SB

100 goal of carbon-free energy by 2045.

Finally, the project will provide a source of energy in an area vulnerable to unplanned power

outages. The concept of large-scale offshore wind energy supply to provide resiliency to

vulnerable grid areas can be monitored and evaluated. Understanding the technical interactions

of offshore wind with the local electrical grid will enable assessment of various modes of energy

management including hydrogen generation and battery storage to explore decentralized power

systems.

i https://www.euro-access.eu/calls/demonstration_projects_-_nature__biodiversity ii https://www.legis.iowa.gov/docs/aco/arc/2140c.pdf

Page | 6 June 2021

CIIERCO

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CADEMO Project Siting Factors Report

Prepared by CADEMO Corporation

June 2021

CADEMO Project (A2222) CADEMO Siting Factors Report

Contents 1. I

2.

3.

4.

4.1.

4.2.

4.3.

4.4.

5.

5.1

5.2.

3.

4.

5.

5.

6.

7.

8.

Appe

Appe

ntroduction .......................................................................................................................................... 3

Siting Objectives.................................................................................................................................... 3

Regions of Consideration ...................................................................................................................... 4

Regional Suitability Analysis.................................................................................................................. 5

Oregon Border to Cape Mendocino.............................................................................................. 5

Cape Mendocino to Pt. Arena....................................................................................................... 5

Point Arena to Cambria (Central California) ................................................................................. 6

Cambria to Point Conception........................................................................................................ 6

Siting Suitability Analysis....................................................................................................................... 7

. Region 1 - Dragon Channel ........................................................................................................... 8

Region 2 - Mattole, Windy Point, Spanish Canyon, and Point Delgada........................................ 8

Region 3 – Point Arena, Gualala and Russian River ...................................................................... 9

Region 4 - Point Arguello ............................................................................................................10

Conclusion of the Siting Analysis ........................................................................................................11

Site Selection within the Point Arguello Region .................................................................................12

References Cited .................................................................................................................................14

ndix 1 – Site Selection Heatmap Detail ..............................................................................................17

ndix 2 – CADEMO Siting Factors Maps ...............................................................................................18

Page | 2 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

1. INTRODUCTION

The selection of the Point Arguello site for the CADEMO floating offshore wind demonstration project

resulted from a detailed analysis of potential locations along the entire California coastline. This analysis

was centered on the special requirements of a demonstration-scale project, as described below.

The broader objectives of the project as a demonstration project are addressed in the “210604 CADEMO

Research and Demonstration Goals B1” document. This Siting Factors Report lists the project’s siting

objectives and major constraints, identifies six California siting regions, addresses each region in terms of

key siting criteria, identifies specific site locations with potential to host the project, and evaluates those

sites based on the siting criteria. The report concludes that the identification of the CADEMO project site

off Point Arguello is most consistent with the siting criteria and project objectives.

2. SITING OBJECTIVES

There are five key siting objectives (listed below) that are closely aligned with the overall project objectives

of CADEMO as a FLOW demonstration project in California, which are:

Objective 1: Consistent with the needs of a technology, environmental, and economic demonstration

project. The following are key aspects of siting the project to meet the special needs of a demonstration

project.

• A demonstration project must be sited close to shore and supporting infrastructure. A larger, utility-

scale project could be more optimally sited further offshore in higher wind speed areas despite the

longer subsea cable requirements because the project is supported by a large revenue stream. A key

requirement of a demonstration project is that it is easily accessible for modifications as the project

gathers data about project operation. This is more feasible at a more accessible site closer to shore

and can provide the same benefits in research and demonstration as a project sited further from

shore.

• Given the purpose of a demonstration project, it must be permitted and constructed quickly, relative

to larger utility-scale projects so that the latter can learn and benefit from experience with the

demonstration project. This means that the appropriate location is in state waters (within three

nautical miles (nm) from shore) because leasing and permitting through the State Lands Commission

(SLC) and cooperating agencies requires much less time than the equivalent process for sites on the

outer continental shelf that the Bureau of Ocean Energy Management (BOEM) manages, due to the

scale of development involved. The BOEM process includes several discrete steps that occur in

sequence (call for lease interest, competitive bidding for leaseholds, Site Assessment Plan and data

gathering, formal lease, Construction and Operations Plan) before construction. Moving through

these steps can take eight years or more. BOEM announced in May 2021 that it expects to open the

Morro Bay and Humboldt offshore wind lease areas for auction in summer 2022, with the first projects

operational in the early 2030s. In comparison, SLC’s permitting and leasing process for CADEMO is

well under way and operation is expected by 2026.

• In addition, the permitting process for a very large commercial project runs a proportionally greater

risk of encountering environmental issues, with subsequent delays to find solutions, which may

include further delays due to a need to modify the project and seek permits for those modifications.

A larger project will also take longer to fabricate and construct. A smaller project closer to shore has

June 2021 3 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

a good chance to be up and running relatively quickly while observing important environmental

protections.

Objective 2: A minimum average wind speed at 90 meters of 7.5 m/s and minimum depth of 50 meters.

A minimum average wind resource speed of 7.5 m/s at 90 meters height is needed to experience a broad

range of conditions for turbine and flotation system testing, particularly given the new generation large

(12-15 MW) turbines that CADEMO will be testing. The tension leg platform design requires a minimum

draft of 50m.

Objective 3: Located within feasible distance of a grid connection (major substation). The ability to

connect with and export power to the state electricity grid is a critical requirement for a project to

demonstrate capacity factor and overall contribution to grid reliability. Connection to the grid also

provides the required access to market to sell the power generated to offset the costs of construction and

operation. Construction of a long subsea transmission cable (>6 nm) or on-land generator tie-line (>10

miles) would be prohibitively expensive and not be economically feasible for a small-scale demonstration

project. For example, a BOEM-funded study by PG&E for the Schatz Energy Research Center in 2020

estimated the needed transmission upgrades for a 48 MW floating demonstration project in the Humboldt

Call Area would cost approximately $540 million. Where suitable connection points are identified, there

is an additional requirement to ensure that the sufficient spare voltage capacity exists to connect the

power generated.

Objective 4: Avoids sensitive biological resource areas to the extent practicable. The most sensitive

biological resources areas are relatively well known in coastal California, given the many years of research

that has been done by the California Cooperative Oceanic Fisheries Investigations program (CalCOFI), US

Fish and Wildlife Service, BOEM, research universities, and others. The project should avoid marine

protected areas, including marine reserves and areas known to be of special biological sensitivity.

Objective 5: Avoids conflicts with other land and sea uses to the extent practicable. These include scenic

viewsheds and major coastal recreational areas, major fishing grounds, shipping lanes, military areas,

aquaculture sites and other important land and sea uses.

3. REGIONS OF CONSIDERATION

Given the project siting objectives, which regions along the California Coastline can best meet these

objectives? The following are six major coastal California regions for offshore wind demonstrator siting

purposes (north to south, Figure 1 – CADEMO Site Regions of Consideration):

1) Region 1 - Oregon border to Cape Mendocino

2) Region 2 - Cape Mendocino to Point Arena

3) Region 3 - Point Arena to Cambria (Central California)

4) Region 4 - Cambria to Point Conception

5) Region 5 - Point Conception to the Mexican Border

6) Region 6 – The Channel Islands

Two of these regions are eliminated from consideration because they have no suitable areas for offshore

wind:

Page | 4 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

a) Region 5 - From Point Conception to the Mexican border along the California coastline, average wind

speed at 90 m height does not exceed 7.5 m/s and so this region does not meet the minimum criteria

for wind speed under Objective 2.

b) Region 6 – The Channel Islands: San Miguel, Santa Rosa, Santa Cruz, Anacapa, and Santa Barbara

Islands constitute the Channel Islands National Park and are surrounded by the Channel Islands

National Marine Sanctuary to a distance of six nautical miles. For this reason, the siting of an offshore

wind demonstration project would not be consistent with Objective 4 and would be prohibited per

the National Oceanic and Atmospheric Administration’s National Marine Sanctuary Program regulations at 15 CFR 922.72(a){4)i.

San Nicolas Island is a United States Navy base whose waters are home to classified weapons tests,

war games, and live fire practices. This would be considered a major conflict with other uses and

would be inconsistent with Objective 5. In addition, this island lies more than 60 miles offshore and

any subsea transmission cable route to land would need to cross steep-sided canyons up to 5,000’

deep, thus not complying with Objective 3. San Clemente and Santa Catalina Islands have average

wind speeds under 7.5 m/s and thus do not meet Objective 2.

4. REGIONAL SUITABILITY ANALYSIS

The next level of siting factors analysis identifies sites meeting the project objectives within the remaining

three regions. The sites were explored using the NOAA’s Marine Cadastre National Viewer (NOAA 2021)ii,

the California Offshore Wind Energy Gateway data basiniii, the California Energy Commissioniv, and the

U.S. Geological Survey California State Waters Map Series Data Catalogv to show the locations of marine

protected areas and other important features, and other sources as noted.

4.1. Oregon Border to Cape Mendocino

In this region, average annual wind speed >7.5 m/s is available from the Oregon border south for about

25 miles to the Crescent City harbor area. Due to offshore rocks at the St. George Reef, state waters in

this area extend in a bulge for about 7 nautical miles offshore directly off Crescent City. However, water

depths of 50 m (and outside of a State Marine Reserve) are only available south of the Point St. George

Reef State Marine Conservation Area and Dragon Channel. Waters north of Crescent City are very shallow

and unsuitable per Siting Objective 2.

The only feasible site in this region is the following:

• Dragon Channel – For about 4 nautical miles south of the Pyramid Point State Marine Conservation

Area (SMCA). South of this towards Crescent City the water depth within State waters would be too

shallow for either the SATH barge (9.5m draft) or the tension leg platform (TLP) design (30 m draft).

This site is marginally useful, however, from an engineering perspective because of the relatively small

area that exceeds 50 m in depth.

4.2. Cape Mendocino to Pt. Arena

From just north of Cape Mendocino to Shelter Cove (33 miles), the average wind speed in State waters is

greater than 7.5 m/s and in fact is very strong, reaching up to levels over 10 m/s. The seafloor near Cape

Mendocino, however, includes large sections of rocky bottom that are classified as Essential Fish Habitat,

June 2021 5 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

excluding moorings and cabling. There are three State Marine Reserves (SMRs) in this section of coastline

(South Cape Mendocino, Mattole Canyon, Sea Lion Gulch), a State Marine Conservation Area (SMCA) (Big

Flat), and three Essential Fish Habitat Conservation Areas (EFH HCAs: Mendocino Ridge, Blunt’s Reef,

Delgada Canyon).

In addition, this area is very remote, and from the Mattole River (10 miles south of Cape Mendocino) to

Shelter Cove, there are no roads near the shoreline. Adjacent land is part of the King Range National

Conservation Area, a semi-wilderness area administered by the U.S. Bureau of Land Management.

Nearshore areas along this stretch of coastline are part of the King Range Area of Special Biological

Significance State Water Quality Protection Area. These factors would make it very difficult to site and

operate a demonstration project in this sub-region. Nevertheless, there are four sites that lie outside of

the marine reserves and EFH conservation areas, included for comparison with other prospective sites.

• Mattole – between South Cape Mendocino SMR and Mattole Canyon SMR

• Windy Point – between Mattole Canyon SMR and the Sea Lion Gulch SMR

• Spanish Canyon - between the Sea Lion Gulch SMR and Big Flat SMCA

• Point Delgada - between the Big Flat SMCA and the Delgado Canyon EFH HCA

4.3. Point Arena to Cambria (Central California)

The Central California area covers approximately 275 miles, with the vast majority covered by National

Marine Sanctuary designations that extend from shore for a long distance into the Pacific Ocean. Offshore

wind facilities and their cables are currently prohibited in these areas, and so most of this area does not

meet Objective 5.

In this region, average annual wind speed >7.5 m/s is available in State waters from Point Arena to Point

Reyes. There are three potential areas identified to the north of the region that technically could host a

demonstration project. Although this area is dependent on tourism, has a coastal road and a number of

coastal residential properties (which will create viewshed issues and interference with coastal vistas) and

is located next to (and in some cases intersects) with the Mendocino Country Pelagic Important Bird Area,

these three sites sit outside of marine reserves and are included for comparison with other prospective

sites.

• Point Arena – between Point Arena and Saunders Reef SMCA

• Gualala – between Saunders Reef SMCA and Stewarts Point SMR

• Russian River – between Stewarts Point SMR and Bodega Head SMR

4.4. Cambria to Point Conception

In this region, the coastline from Point Arguello to Point Conception (about 15 air miles) provides suitable

average annual wind speeds > 7.5 m/s. Possible sites for the demonstration project include the following:

• Point Arguello – Offshore of Vandenberg Space Force Base (VSFB) with a shore landing at Vandenberg

Dock and an alternative location further south (offshore Jalama beach, north of the Point Conception

SMR). The Point Conception SMR extends to the 3 nautical mile limit of state waters along a line due

west from the Point Conception area.

Page | 6 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

These sites have an added benefit of the potential to provide renewable power to VSFB, helping the U.S.

Space Force to achieve its goal of energy security and resiliency.

5. SITING SUITABILITY ANALYSIS

The regional suitability analysis has identified nine possible sites, as follows:

a) Dragon Channel (Region 1)

b) Mattole (Region 2)

c) Windy Point (Region 2)

d) Spanish Canyon (Region 2)

e) Point Delgada (Region 2)

f) Point Arena (Region 3)

g) Gualala (Region 3)

h) Russian River (Region 3)

i) Point Arguello (Region 4)

An internal scoring heatmap exercise was undertaken to identify any prohibitive factors and understand

the relative strength and weakness of each location. The multi-attribute decision analysis (MADA) scoring

was moderated through the use of a comparative scoring guide (table 2). The scoring result is provided in

the table 1 below:

Objective Constraint

1 In CA State Lands Yes Yes Yes Yes Yes Yes Yes Yes Yes

Water Depth (> 50 m) Yes Yes Yes Yes Yes Yes Yes Yes Yes

2Wind Energy

Resource7.37 to 8.62 4 8.87 to 9.2 5 9.62 to 9.87 5 7.62 to 9.87 5 7.87 2 7.62 to 8.12 3 7.62 to 8.62 4 7.375 to 8.12 3 7.37 - 7.6 2

Distance to grid

(miles - straight line)13 30 30 26 20 1.5 1.5 2.5 10

Grid Capacity and

Availability (kV)66 66 66 66 66 60 60 60 115

4Sensitive Biological

Resource

DPS and

MAMU1

DPS, King

Range ASBS2

DPS, King

Range ASBS2

DPS, King

Range ASBS2

DPS, King

Range ASBS2

Farallones

National Marine

Sanctuary

1

Farallones

National Marine

Sanctuary

1

Farallones

National Marine

Sanctuary

1

Partial

Leatherback

Turtle critical

Habitat

3

Viewshed Cresent CityPetrolia and

Mattole Beach

Rocks and

Islands

Wilderness

Rocks and

Islands

Wilderness

Rocks and

Islands

Wilderness

Point Arena,

CA1 shoreline

highway

Gualala Point

Regional Park,

CA1 shoreline

highway

CA1 shoreline

highwayJalama Beach

Other UsersCritical

FisheriesWilderness Wilderness Wilderness Wilderness Tourism Tourism Tourism

DoD

Fisheries

1 3

5

1

Region 2 Region 4Region 3

Russian River

5

Region 3

Gualala

14Total

21 43

1314 12 17

5 1 1 1 1 1

3 3 1

14 14

5 5 5 5

Region 1

Dragon Channel

Region 2

Spanish Canyon Point Delgada Point Arguello

Region 2

Mattole

5

Region 2

Windy Point

5

3

14

Region 3

Point Arena

5

3

13

1 1

Table 1 - CADEMO Site Location Heatmap

1 2 3 4 5

2 Wind Energy Resource (m/s) < 7.5 7.5 - 8.0 8.0 - 8.5 8.5 - 9.0 >9.0

Distance to Grid (miles) > 20 15 - 20 10 - 15 5 - 10 < 5

Grid Capacity (kV) < 60 60 - 66 66 - 110 110 - 200 >200

4 Sensitive biological Resource Prohibitive Difficult Manageable Mild Constraint None

Viewshed Designated Scenic Area Residential

Recreational

Industrial None

Other Users Critical Fisheries

Wilderness

Tourism Dependent

High Tourist

Recreational

DoD

Fisheries

Light Fisheries No critical

Uses

Cri

teri

a

3

5

Table 2 - MADA Scoring Guidance Table

June 2021 7 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

Further detail of the screening level analysis to determine suitable sites for the CADEMO demonstration

project is provided below. For clarity, each site was required to meet objective 1 and 2 before taken

forward for consideration:

• Siting Objective 1 - all sites considered need to be at least 50m in depth and within state waters.

• Siting Objective 2 - areas failing to exceed an average annual wind speed 7.5 m/s were eliminated.

5.1. Region 1 - Dragon Channel

Objective 3: Location within feasible distance of a grid connection. A project at Dragon Channel would

most likely connect with PacificCorp’s transmission infrastructure at either the PacificCorp Belmont or Northcrest 66 kV substation. These are located within Crescent City. Coastal Del Norte County is a small

and isolated load pocket with limited connectivity and may require significant system upgrades to handle

CADEMO’s transmission load. In addition, the PacificCorp transmission system serves power north to Oregon, not south to California, and so would not help meet California’s renewable power goals.

Siting Objective 4: Secure a site that avoids sensitive biological resource areas to the extent practicable.

The site is in critical habitat for the Southern DPS of the green sturgeon. Regulatory agencies have

expressed concerns about the sensitivity of this species to electric and magnetic fields from subsea cables.

The site would be near the Audubon Society’s Pelican Bay MAMU Important Bird Area. This area which

encompasses pelagic open water habitat for the marbled murrelet (Brachyramphus marmoratus), a state-

endangered, federal-threatened species and extends through this species’ usual offshore foraging range,

about a nautical mile offshore (Audubon Society 2021vi).

Siting Objective 5: Secure a site that avoids conflicts with other land and sea uses to the extent

practicable. This site is located roughly five to six nautical miles from the entrance of the Crescent City

harbor. Crescent City is home to a substantial fishing fleet and portions of the area are relatively shallow

(50 to 100 m) soft bottom that is good habitat and fishing grounds for Dungeness crab (California

Department of Fish and Wildlifevii , CDFW 2021a). In 2019, commercial fish landings at Crescent City totaled

more than $22M and over 86 percent of this ($19M) was from Dungeness crab fishing (CDFW 2021b). This

represents one third of the $52M annual value of Dungeness crab landings in the California in 2019 (CDFW

2021c). A project proposed for this location would encounter strong and vocal opposition from

commercial fishers. A project this close to the Crescent City harbor entrance may also interfere with

general navigation to the port, given that access to the port is constrained by the St. George Reef.

Recreational users of the scenic Crescent City waterfront and Crescent Beach are likely to object to the

visual resources impacts of a demonstration project in this location, within 5 nautical miles of the

shoreline.

The project in this location would also be within 5 nautical miles of the Del Norte County Airport in

Crescent City and would likely conflict with flight operations and radars.

5.2. Region 2 - Mattole, Windy Point, Spanish Canyon, and Point Delgada

These prospective sites are treated together because of their geographic proximity.

Objective 3, Grid Connection Feasibility—This area is entirely lacking in grid connectivity. The nearest

PG&E transmission lines and substations are inland in the State Route 101 corridor (inland in this area

Page | 8 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

partly due to mountainous terrain on the coast). From Point Delgada (southern end), the nearest

substation is at Garberville, a straight-line distance of 15 miles and a road distance of 25 miles over rough

terrain.

Siting Objective 4: Secure a site that avoids sensitive biological resource areas to the extent practicable.

The site is in critical habitat for the Southern DPS of the green sturgeon. In the past, regulatory agencies

have expressed concerns about the sensitivity of this species to electric and magnetic fields from subsea

cables.

Submerged areas within a short distance of the shore adjacent to all three sites are part of the King Range

Area of Special Biological Significance State Water Quality Protection Area/King Range State Marine

Reserve.

Siting Objective 5: Secure a site that avoids conflicts with other land and sea uses to the extent

practicable. Land adjacent to three of the sites (Windy Point, Spanish Canyon and Point Delgada) is part

of the King Range National Conservation Area, and is part of the “Lost Coast,” the state’s only remaining

significant roadless coastal area. The visual impact of an offshore wind project to a wilderness area would

be a significant issue with any of these sites. The same three sites are also within the Rocks and Islands

Wilderness, part of the National Wilderness Preservation System. The remaining site, Mattole, is

overlooked by the unincorporated community of Petrolia and the local scenic spot of Mattole Beach.

5.3. Region 3 – Point Arena, Gualala and Russian River

These prospective sites are treated together due to their geographic proximity.

Objective 3: Grid Connection Feasibility—This region has relatively close access to local grid, with a local

substation, operated by PG&E and rated between 33 to 92kV, available at each location of Point Arena,

Gualala or Russian River (Fort Ross). Connection should be relatively straightforward with distances being

between two to five miles at the nearest points. However, there are limited power offtake options in the

region.

Siting Objective 4: Secure a site that avoids sensitive biological resource areas to the extent practicable.

The site is in critical habitat for the Southern DPS of the green sturgeon. Regulatory agencies have

expressed concerns about the sensitivity of this species to electric and magnetic fields from subsea cables.

The Audubon Society’s Mendocino Coast Pelagic Important Bird Area (IBA)viii is located a few miles farther

out to sea from these three sites. The project would not directly affect either of these areas. The Point

Arena IBA is designated for the pink-footed shearwater (Ardenna creatopus), a species is on Audubon

WatchList and considered vulnerable, per the International Union for the Conservation of Nature (IUCN).

Shearwaters are the lowest-flying of all seabirds, typically flying within only 10m of the surface of the

water. Encounters with an offshore wind turbine rotor (25 m above water) are thus likely to be rare. While

these IBAs are important for the species, they represent only a small proportion of its overall foraging

range, which extends from southern Chile to Alaska and the pink shearwaters of the project area represent

a small part of the overall population. The Mendocino Coast Pelagic IBA is designated for the black-footed

albatross (Phoebastria nigripes). This species is considered near-threatened by the IUCN, mainly because

of the effects of long-line fishing.

June 2021 9 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

Siting Objective 5: Secure a site that avoids conflicts with other land and sea uses to the extent

practicable. These sites pose at least two compatible use conflicts. First, the entire area lies within the

Greater Farallones National Marine Sanctuaryix, within which an offshore wind project would not be

permitted.

Second, although the coastal strip is relatively sparsely populated, all three sites can be directly viewed

from the California State Route 1 Shoreline Highway, designated as an “All-American” roadx providing a

scenic route to numerous tourist attractions along the route. These include Manchester State Park, Point

Arena Lighthouse, Point Arena-Stornetta Public Lands, Pelican Bluffs, Schooner Gulch State Beach,

Glennen Beach, Gualala Point Regional Park, Shell Beach, Stillwater Cove Regional Park, Salt Point State

Park, Fort Ross State Historic Park, Russian Gulch State Beach, and Sonoma Coast State Park, among

others. In addition, residences along the coast would be considered highly sensitive to visual resources

impacts, as many are recreational homes that are specifically oriented for views of the coast and ocean.

5.4. Region 4 - Point Arguello

Objective 3, Grid Connection Feasibility—A facility at Point Arguello can interconnect with the

Vandenberg grid at Vandenberg Space Force Base Substation “N” or can interconnect with the wider PG&E grid at 115 kV at Surf Substation, approximately 10 miles north of a cable landing at Vandenberg Dock.

Routing a cable to shore at Jalama Beach would not be feasible because the land route to the nearest

substation would be prohibitively long (Manville Substation south of Lompoc) and would have to be

constructed over difficult terrain. A cable route to the Gaviota substation would not be feasible because

it would have to cross the Point Conception SMR.

Siting Objective 4: Secure a site that avoids sensitive biological resource areas to the extent practicable.

The site is in critical habitat for the leatherback turtle, but project operations would not be likely to harm

this species’ breeding habitat or food sources.

The Audubon Society’s Point Conception Important Bird Areaxixii is located approximately five nautical

miles further out to sea at its nearest point from the Point Arguello site, and the Point Sal Important Bird

Areaxiiixiv is approximately fourteen nautical miles north. The project would not directly affect either of

these areas.

Both Important Bird Areas (IBAs) are designated for the pink-footed shearwater (Ardenna creatopus), a

species on the Audubon WatchList and is considered vulnerable, per the International Union for the

Conservation of Nature. Shearwaters are the lowest-flying of all seabirds, typically flying within only 10m

of the surface of the water. Encounters with an offshore wind turbine rotor (25 m above water) are thus

likely to be rare. While these IBAs are important for the species, they represent only a small proportion

of its overall foraging range, which extends from southern Chile to Alaska and the pink shearwaters of the

project area represent a small part of the overall population.

The Point Conception IBA also identifies the ashy storm petrel (Oceanodroma homochroa) as a feature.

The ashy storm petrel breeds on rocky islands off California and Mexico and is an endangered species (c.

10,000 birds and declining). It’s range is relatively limited compared to other seabird species but still covers many thousands of square km. Most foraging is done around the edge of the continental shelf. This

group of birds (storm petrels) feed by skipping over the surface of the sea, very rarely flying at height. The

risk to this species, and consequently the IBA, is therefore very low.

Page | 10 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

An additional Point Sal IBA feature is Brandt’s cormorant (Phalacrocorax penicillatus). This species is

numerous (population c. 230,000 individuals) and has a very large range. It feeds mostly in shallow waters

but also further out in deeper water. Flights over water tend to be low, beneath the rotor swept zone. It’s

very unlikely that significant numbers of birds will use the CADEMO area, and birds which might occur in

the area are likely to be on the water or flying low over it. The risk to the birds from the scheme is therefore

very low, and consequently to the integrity of the IBA.

The waters off Point Sal also provide feeding areas for the brown pelican (Pelecanus occidentalis) which

roosts on the shore near Point Sal (approximately 20 miles north of Point Arguello). The coastal region

around Point Sal supports large numbers of this species, which is identified as a secondary feature within

the IBA, but it is an inshore species, rarely venturing out to deeper waters. The risk to this species, and

consequently the IBA is extremely low.

Independent researchers (Calambokidis 2015) have identified a biologically important area (BIA) for the

endangered blue whale in the project area (extending from Point Conception north to Point Sal), with

moderately high blue whale density. The potential for vessel collisions this species would need to be

carefully managed at this site.

Siting Objective 5: Secure a site that avoids conflicts with other land and sea uses to the extent

practicable. One unique aspect of the Point Arguello site is that a significant portion of the adjacent

onshore land in the northern area of the region is owned and managed by the Vandenberg Space Force

Base (VSFB) for about 28 miles from the shoreline to the crest of adjacent mountains. This greatly reduces

conflicts based on visual resources impacts to recreational or residential uses, because of the lack of

private or other public land in the project viewshed. Public access to the coastline in this area is limited

to small areas at Surf and Jalama beaches, each more than 10 air miles from the nearest turbine site.

The site is relatively distant from the nearest fishing ports at Morro Bay (45 nautical miles), Port San Luis

(35 nautical miles), and Santa Barbara (60 nautical miles). While commercial fishing boats use the area,

based on the historical landings records from the Californian Department of Fish and Wildlife, the catch

in fishing blocks around this site is likely to be rated as lower in value than in areas closer to fishing ports.

An offshore wind project in region 4 presents potential conflict issues with flight operations and radars at

Vandenberg Space Force Base, however consultation with the U.S. Department of Defense through their

Site Clearinghouse process has identified appropriate mitigation to resolve this (see section 7).

The southern section of region 4 is located within one of the Californian Department of Fish and Wildlife

designated California halibut trawl areas and would therefore be likely to draw significant opposition from

commercial fishing interests (Conservation Biology Institute 2021).

6. CONCLUSION OF THE SITING ANALYSIS

Siting analysis concludes that only one of the nine sites assessed would be feasible for CADEMO:

Region 1 - Dragon Channel – Infeasible because of the major potential conflict with the crab fishing

industry, lack of a connection to the California grid, and proximity to the Crescent City waterfront and

Crescent Beach viewsheds.

Region 2 - Mattole, Windy Point, Spanish Canyon, and Point Delgada - Infeasible because of visual

resources conflicts with a wilderness area, biological resources sensitivity, and lack of grid connectivity.

June 2021 11 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

Region 3 - Point Arena, Gualala and Russian River – Infeasible because of conflict with the National

Marine Sanctuary, visual resource conflicts with State Parks, recreational viewers at scenic viewpoints

along the adjacent shoreline highway and conflict with residential users of coastal properties.

Region 4 - Pont Arguello – Feasible. The Point Arguello site is excellent for a demonstration project

because of the relative lack of conflicts with potentially competing uses or interests and because it meets

all the project siting objectives, as follows:

• Objective 1: Consistent with the needs of a technology, environmental, and economic

demonstration project. The site is near shore, easily accessible, located away from areas of

significant use conflict but relatively near support facilities.

• Objective 2: With a minimum average wind speed at 90 meters of 7.5 m/s and minimum depth

of 50 meters. The site exceeds these minimum criteria.

• Objective 3: Grid Connection Feasibility This site can easily connect with VSFB Substation N or

Surf Substation using a generator tie-line less than 10 miles long.

• Objective 4: Avoids sensitive biological resource areas to the extent practicable. The site avoids

marine reserves and important bird areas. Although located in critical habitat for the leatherback

turtle and in important cetacean feeding areas, the project would not conflict with or directly

affect these species.

• Objective 5: Avoids conflicts with other land and sea uses to the extent practicable. There would

be few or no conflicts with recreational and residential users over visual resources impact because

of the siting on federal government property at VSFB. The site is not near a commercial fishing

port or major fishing grounds.

7. SITE SELECTION WITHIN THE POINT ARGUELLO REGION

Following the initial process identifying the Arguello region as the preferential location as, number of

areas around Platform Irene and VSFB outside of designated protected areas, available offshore seabed

profile, proximity to an available grid connection at Surf Substation and significant available

environmental information gathered as part of the CalWave project were identified. The preferred

location being selected on the following basis:

• The most favorable location for wind resource and yield (i.e. highest wind).

• Few environmental constraints (it avoided activities within the Vandenberg State Marine

Reserve).

• Favorable geotechnical and seabed conditions for mooring design.

• Avoidance of areas of high coastal population and minimization of visual intrusion.

These assessments led to the selection of a lease area for the demonstration project which formed the

basis of the SLC lease and permit application.

Page | 12 June 2021

0

t;I

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CADEMO Siting Factors Report CADEMO Project (A2222)

Figure 1 - Original CADEMO turbine locations

During the SLC application, a dialogue was opened with the Department of Defense Military Aviation and

Installation Assurance Siting Clearinghouse (The Clearinghouse) on the specific locations for the floating

offshore wind turbines. At a meeting on the 22 May 2020, the Clearinghouse provided feedback that their

analysis determined that any locality south of Point Arguello would be military incompatible. This led to

the identification of a revised configuration that is considered by the Clearinghouse as mission compatible

with mitigation. This configuration now forms the basis of the CADEMO seabed lease and permit

application to the State Lands Commission and is presented in figure 2:

Figure 2 - CADEMO Project Layout

June 2021 13 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

8. REFERENCES CITED

Audubon Society. 2021. California IBA Interactive Site Map.

https://ca.audubon.org/conservation/california-iba-interactive-site-map. Accessed April 24,

2021.

Beiter, Philipp, Walter Musial, Patrick Duffy, Aubryn Cooperman, Matt Shields, Donna Heimiller, and

Mike Optis. 2020. The Cost of Floating Offshore Wind Energy in California Between 2019 and 2032.

Golden, CO: National Renewable Energy Laboratory. NREL/TP-5000-77384.

https://www.nrel.gov/docs/fy21osti/77384.pdf

Calambokidis, J, GH Steiger, C Curtice, J Harrison, MC Ferguson, E Becker, M DeAngelis, and SM Van

Parijs. 2015. Biologically Important Areas for Selected Cetaceans Within U.S. Waters – West Coast

Region. Aquatic Mammals 41(1), 39-53. DOI 10.1578/AM.41.1.2015.39

California Department of Fish and Wildlife (CDFW). 2021a. Dungeness Crab Enhanced Status Report.

https://marinespecies.wildlife.ca.gov/dungeness-crab/. Accessed April 25, 2021.

California Department of Fish and Wildlife (CDFW). 2021b. Poundage and Value of Commercial Fish

Landings by Port, Eureka Area, 2019.

https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=178025&inline. Accessed April 24, 2021.

California Department of Fish and Wildlife (CDFW). 2021c. Poundage and Value of Landings of

Commercial Fish into California, by Area, 2019.

https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=178025&inline. Accessed April 25, 2021.

https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=178022&inline

California Energy Commission (CEC). 2021. California Electric Infrastructure. https://cecgis-

caenergy.opendata.arcgis.com/app/ad8323410d9b47c1b1a9f751d62fe495. Accessed April 24,

2021.

Conservation Biology Institute. 2021. Databasin: California Offshore Wind Energy Gateway. California

Halibut Trawl Grounds. Accessed May 28,

2021.https://caoffshorewind.databasin.org/maps/new/#datasets=e6d974dfb5b34f5d9823252a

4f667cbc.

National Oceanic and Atmospheric Administration (NOAA). 2021. Marine Cadastre National Viewer.

https://marinecadastre.gov/nationalviewer/. Accessed April 24, 2021.

National Renewable Energy Laboratory (NREL). 2021. California Offshore 90-Meter Wind Map and Wind

Resource Potential. https://windexchange.energy.gov/maps-data/146. Accessed April 21, 2021.

i https://www.law.cornell.edu/cfr/text/15/922.72 ii https://marinecadastre.gov/nationalviewer/ iii https://caoffshorewind.databasin.org/ iv https://caenergy.maps.arcgis.com/home/index.html v https://pubs.usgs.gov/ds/781/ vi https://www.audubon.org/important-bird-areas/pelican-bay-ca-mamu vii https://marinespecies.wildlife.ca.gov/dungeness-crab/the-fishery/

Page | 14 June 2021

CADEMO Siting Factors Report CADEMO Project (A2222)

viii https://www.audubon.org/important-bird-areas/mendocino-coast-pelagic-ca ix https://farallones.noaa.gov/ x https://www.fhwa.dot.gov/byways/states/CA xi https://www.audubon.org/important-bird-areas/point-conception-121w34n xii https://www.audubon.org/important-bird-areas/point-conception-120w34n#:~:text=The%20Point%20Conception%20120W34N%20IBA,%2C%20ports%2C%20and%20oil%20extracti on xiii https://www.audubon.org/important-bird-areas/point-sal-121w35n xiv https://www.audubon.org/important-bird-areas/point-sal-120w35n

June 2021 15 | Page

CADEMO Siting Factors Report CADEMO Project (A2222)

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June 2021 17 | Page

CADEMO Project (A2222) CADEMO Siting Factors Report

APPENDIX 2 – CADEMO SITING FACTORS MAPS

Index:

Figure Title 1 Site Regions of Consideration 2 Region 1 - Oregon border to Cape Mendocino – Technical Constraints 3 Region 1 - Oregon border to Cape Mendocino – Protected and Sensitive Areas 4 Region 1 - Oregon border to Cape Mendocino – Sensitive Habitats 5 Region 2 - Cape Mendocino to Point Arena – Technical Constraints 6 Region 2 - Cape Mendocino to Point Arena – Protected and Sensitive Areas 7 Region 2 - Cape Mendocino to Point Arena – Sensitive Habitats 8 Region 3 - Point Arena to Cambria (Central California) – Technical Constraints 9 Region 3 - Point Arena to Cambria (Central California) – Protected and Sensitive Areas

10 Region 3 - Point Arena to Cambria (Central California) 11 Region 4 - Cambria to Point Conception – Technical Constraints 12 Region 4 - Cambria to Point Conception – Protected and Sensitive Areas 13 Region 4 - Cambria to Point Conception – Sensitive Habitats 14 Region 5 - Point Conception to the Mexican Border – Technical Constraints 15 Region 5 - Point Conception to the Mexican Border – Protected and Sensitive Areas 16 Region 5 - Point Conception to the Mexican Border – Sensitive Habitats 17 Region 6 – The Channel Islands – Technical Constraints 18 Region 6 – The Channel Islands – Protected and Sensitive Areas 19 Region 6 – The Channel Islands – Sensitive Habitats 20 Point Arguello – detailed constraints

Page | 18 June 2021

Nevada

Oregon

Cambria to Point Conception

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Figure 1 Site Regions of Consideration

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Figure 14egion 5 - Poi nt Conception to the Mexican Border

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Cambria to Point Conception ! 115 kVPoi n t Concepti on to the Mex i can Border ! 230 kV The Channel I s l andsFederal Protected Area State Protected Area Coastal Tribal Lands

Figure 15Region 5 - Point Conception to the Mexican Border

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Sensitive Habitats Sources: Cierco, NOAA, CEC,Audobon, 2021 Nevada Utah

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Black Abalone Critical HabitatLeatherback Turtle Critical HabitatMinimum Depth (-50)

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Miles

Figure19Region6–TheChannelIslands

SensitiveHabitatsCierco

CADEMOProject

June 07, 2021 IUTM Zone 11 North

Datum: NAD 1983

Sources: Cierco, NOAA, CEC,Audobon, 2021

Pacific Ocean

---C!I

-·

.

~/2 /,,0}; ,. .. . /,

~

Vandenberg SMR

Point Arguello

Point Conception SMR

Pacific Ocean

Legend Important Bird Areas (IBA)

CADEMO Turbine Location GlobalState

Technically Suitable Area (Depth + SLC) Leatherback Turtle Critical HabitatRegion Area DOD Restricted Zone

Cambria to Point Conception Minimum Depth (-50)Point Conception to the Mexican Border State Protected Area

Sources: Cierco,State of Califronia, 2021 Utah Nevada

California Arizona

Figure 20 Point Arguello Detailed Constraints

CiercoCADEMO Project UTM Zone 11 North

Datum: NAD 1983 I 0 2 4 Miles June 07, 2021