Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005...
Transcript of Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005...
![Page 1: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/1.jpg)
October 5, 2005
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Renewable Energy BasedTribal Utility Formation
![Page 2: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/2.jpg)
10/5/2005Page - 2
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Introductions
Lisa Haws
Viejas Tribal Government
XXXXX
619 659 2341
Terry Meyer
Black & Veatch
Project Engineer, Renewable Energy Specialist
913 458 7175
![Page 3: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/3.jpg)
10/5/2005Page - 3
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Agenda
Study Overview
Renewable Technology Alternatives
Environmental
Economic Analysis
Tribal Benefits
Conclusions
![Page 4: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/4.jpg)
10/5/2005Page - 4
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Study Overview
1 Project Kickoff Meeting
2 Renewable EnergyResources and Technology
Assessment
3 Detailed ReservationLoad Profile
4 Assessment of EnergyStorage and Load
Management Opportunities
6 Distribution System Audit
8 Generation MixOptimization Study
9 EnvironmentalAssessment
10 Tribal BenefitAssessment
11 Economic Assessment
12 Business PlanDevelopment
5 Electrical InterconnectionAnalyses
WindSolarBiogasBiodiesel
7 Legal Analysis
13 Participate in Tribal Energy Program Review
Meeting
The Feasibility Study focused on Renewable Energy Alternatives and Utility Formation Feasibility.
![Page 5: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/5.jpg)
10/5/2005Page - 5
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Study Overview
Study performed by:
Black & Veatch Corporation
Viejas Tribal Government Public Works Staff
Fredericks, Pelcyger & Hester, LLC
Legal Analysis
![Page 6: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/6.jpg)
10/5/2005Page - 6
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Strategic Options
Net Metering on Individual Accounts
Tribal Utility Interactive with the Grid
Tribal Utility Independent of the Grid
![Page 7: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/7.jpg)
10/5/2005Page - 7
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Renewable Energy Alternatives
Wind
Solar
Bio-Fuels
Cogeneration
Energy Storage
Load Management
![Page 8: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/8.jpg)
10/5/2005Page - 8
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Wind Data AnalysisMonthly Power Output
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
14.0%
16.0%
18.0%
1 2 3 4 5 6 7 8 9 10 11 12
Month
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
mph Power
Measured WS
Wind Strongest in Early Afternoon
Wind From NE and SW
Estimated Capacity Factor for Wind Turbine between 8% and 13%
Power Production by Time of Day
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23Hour
% A
nual
Pow
er
![Page 9: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/9.jpg)
10/5/2005Page - 9
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Single Wind Turbine
Connects Directly to Casino Loads
Offsets Retail Electricity (Net Metering)
Marginal Wind Resource
Self Generation Incentive Program (SGIP)
Good Visibility
SGIP Currently Overbooked
![Page 10: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/10.jpg)
10/5/2005Page - 10
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Small Wind Farm
Wind Resource Gradient
VejasReservation
Better Wind
Economy of Scale
Requires Off-Reservation Land
Could Sell Power
![Page 11: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/11.jpg)
10/5/2005Page - 11
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Photovoltaic (PV) Installation
Net Metering
High Reliability
Good Visibility
High Cost (per kWh)
SGIP Applies
Little Maintenance
Can be Integrated Into Building Roofs or Parking Shade
![Page 12: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/12.jpg)
10/5/2005Page - 12
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Bio-Fuels
Biodiesel, Biogas, and Straight Vegetable Oil Investigated
Works in Diesel Engine or Combustion Turbine
Biodiesel is Expensive
No Known Local Biogas Resource
Straight Vegetable Oil is Not Proven
![Page 13: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/13.jpg)
10/5/2005Page - 13
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Cogeneration
Can be small or large size30 kW Micro-TurbineDiesel Generator3000 kW Combustion Turbine
Can Use Bio-Fuels
If Heat is Used Can be Cost-effectiveAbsorption ChillersHot water
Follows Electrical or Heat Load
![Page 14: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/14.jpg)
10/5/2005Page - 14
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Energy Storage
Critical for a Renewable-based Independent Utility
Pumped Hydro May Work for Viejas
Batteries, Hydrogen, and other options are not currently economic
Pumped Hydro Requires Development Outside of Reservation Boundries.
![Page 15: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/15.jpg)
10/5/2005Page - 15
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Load Management
Energy Efficiency
Dispatchable Loads
Waste Water Treatment Plant
Well Pumps
Central Chiller PlantWith Cold Storage
![Page 16: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/16.jpg)
10/5/2005Page - 16
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Economic Analysis Process
Levelized Cost Screening
POWROPT Scenario Analysis
Economic Assessment
•Net Metering
•Interconnected Utility
•Stand Alone Utility
![Page 17: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/17.jpg)
10/5/2005Page - 17
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Levelized Cost Screening Results
0 50 100 150 200 250 300 350 400 450
Pumped Hydro*Small Wind Farm*
Net Metered Wind (SGIP)Net Metered Wind
SVO GeneratorBiodiesel Generator
Residential PVCommercial PV (SGIP)
Commercial PVDish Stirling
Fuel Cell Conventional Gas SCMicro Turbine CoGen
Battery
Levelized Cost $/MWh
Considered in Optimization Model Not Evaluated in Optimization Model
Considered for Stand Alone Utility Scenario Only
![Page 18: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/18.jpg)
10/5/2005Page - 18
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Levelized Cost Screening Results
The results of the screening analysis and PowerOpt model were used to focus on the most economic alternatives:
Net Metering
1 to 3 MW of wind turbines
Interconnected Utility
No Generation
Wind turbines added
![Page 19: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/19.jpg)
10/5/2005Page - 19
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Cash Flow Results
10 Year Cash Flow Analysis yielded the following results:
Option 10 Year NPV Capital Cost(after SGIP)
Net Metering – 1 WT $223,000 $700,000
Net Metering – 3 WT $651,000 $2,100,000
Utility Base Case –No Generation
-$1,929,000 $8,210,000
![Page 20: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/20.jpg)
10/5/2005Page - 20
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Tornado Diagram – Renewable Utility Formation
![Page 21: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/21.jpg)
10/5/2005Page - 21
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
Tribal Benefits
Employment
Self-determination
Environmental Stewardship
Energy Cost??
![Page 22: Renewable Energy Based Tribal Utility Formation · Tribal Utility Formation. Page - 2 10/5/2005 TRIBAL GOVERNMENT Introductions Lisa Haws Viejas Tribal Government XXXXX 619 659 2341](https://reader030.fdocuments.us/reader030/viewer/2022040808/5e4ba7a0889b03665146828a/html5/thumbnails/22.jpg)
10/5/2005Page - 22
TRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENTTRIBAL GOVERNM ENT
ConclusionsViable Net Metering Options Include:
Wind TurbinePV Parking Shade Boiler Co-Gen
Utility Formation may be More Expensive Depending On:
Transmission ImprovementsCost of Energy
Stand Alone Utility Possible Using:Wind FarmPumped Hydro Storage Large Co-Gen