IEEE Switchgear Committee Meeting...Smart Meter Installations and Benefits • thAs of June 30 2012...
Transcript of IEEE Switchgear Committee Meeting...Smart Meter Installations and Benefits • thAs of June 30 2012...
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Thomas Bialek, PhD PE Chief Engineer – Smart Grid
IEEE Switchgear Committee Meeting
October 2, 2012
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Smart Grid Roadmap
Deployment Roadmap | San Diego Gas & Electric
Electric Vehicle Growth
Security
Renewable Growth
Customer Empowerment
SMART
GRID
Integrated & Cross Cutting
Systems
Smart Grid RD&D
Reliability & Safety
Operational Efficiency
Workforce Development
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Customer Empowerment
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Smart Meter Installations and Benefits
• As of June 30th 2012 – Approximately 2,243,850
• 1,377,091 electric meters
• 864,488 gas modules
• Residential 2,074,938
• Commercial 168,912
• 30k Remaining – 28K electric / 2K gas)
Percent complete ~99%
• More than 2.5 million miles NOT traveled by SDG&E trucks
• More than 220,000 gallons of gasoline SAVED
• 1,950 metric tons of CO2 equivalent NOT emitted (10% reduction in SDG&E fleet emissions)
• Providing customers the ability to better manage energy use through on-line tools such as EnergyCharts and Green Button
Disclaimer: These emissions reductions are estimates calculated based on standard assumptions and EPA emission factors.
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Green Button - Empowering Customers
In September 2011, the White House challenged utilities throughout the United States to develop a tool to provide energy consumers timely access to their own energy data with the click of a single button online
In December 2011, SDG&E launched the Green Button, a new tool that provides customers with easy access to their energy usage data in a simple, common format.
SDG&E customers are now among the first in the nation to be able to download their energy usage data in a standard format and share it with third-parties for energy evaluation and analysis.
Download up to 13 months of data!
There are numerous Green Button apps to explore and share your energy use data! OpenEI
Oct. 1, 2012 “Green Button Connect My Data” , Power Tools app demonstration in Washington, DC
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Customer Data Access (ESPI) Options
© 2012 San Diego Gas & Electric Company. All copyright and trademark rights reserved. 6
Third Party
SDG&E Customer
Green Button Connect (2012)
ESPI XML Data (on-going)
Customer Maintains
Access Control
ESPI XML Data (one-time)
Services and Analytics
Usage and Home Area Network (HAN) Data
Green Button (2011)
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Reduce Your Use
• 2012 “Test event” held on July 20th to test systems and processes
• Four additional events: August 9, 10, 11 (Saturday) and 14 have been called – very preliminary results indicate an average of over 20MW reduction
• Customers who opted in to email or text alerts reduced on 10% on average – an order of magnitude more that those who did not
Save electricity between 11 a.m. and 6 p.m. on a Reduce Your Use day and earn rewards by using less power.
• 5 events were called as part of the 2011 pilot over the summer (including weekday and weekend events)
Email, text, and outbound dialer notifications were sent for each event day ahead
• 3,000 customers participated
Average load reduction for customers who reduced was 4.5 kWh per event (or 22.5 kWh over the 5 events).
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Biggest Energy Saver Customer Engagement
SDG&E’s Biggest Energy Savers:
E.Faunce, Lakeside, CA - Savings 46.5% -1,356 kWh “I’ll admit, we got really into the contest. All of the my friends
knew about it and they wrote notes on my Facebook wall encouraging us to keep it up.”
L. Hale - La Mesa, CA - Savings 42.8% -1,488 kWh “I had no idea how much energy the ‘can lights’ in the kitchen used – and, I probably never
would have thought to investigate that – but, the daily reminders motivated me to. Now, unless I need all of those lights, I use as few as possible.”
J. Gonzalez - Alpine, CA - Savings 34.2% - 1,506 kWh "Every time I can see that there are other people on the leaderboard saving more energy than
I am, I’m motivated to save even more.”
SDG&E piloted a Biggest Energy Saver contest that challenged residential electricity consumers to reduce their electric energy consumption and demonstrate the benefits of using smart meter energy consumption information.
On average BES+HAN households saved 12% more energy than HAN-only households.
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San Diego Energy Challenge
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Electric Vehicle Growth
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Integration of DER Solar & Electric Vehicle Customers
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PEV Charging Plug In Electric Vehicle (PEV) Impact
Nashville Electric Service, TN
SDG&E, CA
7% 11%
82%
On-Peak Off-Peak Super Off-Peak
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Smart City San Diego: Car2Go
San Diego is the first city to have an all electric-drive large scale carshare fleet in North America. There are currently 100+ Smart Fortwo Electric-Drive vehicles in the San Diego Car2Go network.
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Smart Transformers
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Purpose
• Install sensors on distribution transformers to monitor and report load to reduce transformer replacements while preventing overloads from PEVs and heat storms
Scope • In 2012 install 500 sensors integrated with low
power communication equipment on transformers with PEVs
Status • 10 sensors have been installed and are being
monitored • Remaining sensors to be installed in 2012
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Renewable Growth
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Commercial & Residential Generation
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Commercial & Industrial NEM
Residential Net Metering (NEM)
CEC Forecast
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Sustainable Communities Clean Energy Projects
Installed Solar – 3588 kW
Installed Fuel Cell – 400 kW
TOTAL – 3988 kW
Installed Projects as of 5/15/12
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SDG&E’s Sustainable Community Projects
• Dates shown April 4, 2011 to April 8, 2011
• Fat Spaniel data repository
• 15 minute data
• Consistency across SD County
– April 4th nice smooth power production
– April 5 to 8 all show intermittency issues
• Minimal diversity with 15 minute data
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Sum of All Units
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• Outside ANSI ranges
• Not CVR Compliance
• CBEMA Violations
• O&M Issues
INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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INTEGRATION OF DER
PV Intermittency
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Baseline Voltage Performance
VR 1020G VR 1024G VR 838G
Tap Changes 125 85 31
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Modeling of Dynamic
Voltage Control
VR 1020G VR 1024G VR 838G
Tap Changes 45 77 121
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Dynamic Voltage Control
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Purpose
• Develop and install tools to maintain proper voltage due to intermittency of renewable energy sources.
Scope
• Two manufacturers’ solid state inverters being installed to automatically adjust reactive power support to maintain voltage and reduce voltage swings due to solar intermittency.
Status
• In 2012 two solutions being implemented
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Advanced Energy Storage
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Purpose
• Deploy various types of storage to help integrate renewables and improve distribution system reliability
Scope
• Install 500 kW 1500 kWh Substation AES at two substations in 2012
• Install 25 kW 50 kWh Community AES at various locations in 2012
Status
• One Substation AES installed and under testing in Borrego Springs
• Community AES to be installed in 2012
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Capacitor SCADA
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Purpose
• Install SCADA control on all distribution line capacitors to allow greater grid visibility and improved volt/var management
Scope • In 2012 install SCADA control on 200 line
capacitors Status • SCADA control provided on 14 line capacitors
thru June 2012
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Reliability and Safety
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Changing San Diego Energy Mix
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Energy mix for 2015 and 2020 are subject to substantial uncertainty
Values are for illustration purposes and do not represent forecasts
11.9% 20.8%
24%-28%
33%
Renewable Portfolio Standard Percentages
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Tehachapi Wind Generation in: April – 2005 Could you predict the energy production for this wind park either day-ahead or 5 hours in advance?
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Each Day is a different color.
Day 29
Day 5 Day 26
Day 9
Source: CAISO
Megaw
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Renewable Ramping
2013 - Wind + Solar
4000 MW Solar and 6000 MW WIND Nameplate Capacity
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Source: CAISO
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SDG&E Weather Network (135 Stations)
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Slide 38
6 Cameras
Borrego Springs, Creelman, Loveland, Rincon, Rough-Acres, Warner Springs
Monitor the weather
Impacts (vegetation, structures)
Flying Debris
Fire Preparation and Safety Monitoring Santa Ana’s
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Wireless Faulted Circuit Indicators
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Purpose
• Installation of wireless fault indicators (WFIs) to expedite location of distribution faults, using On-Ramp Wireless communication network.
Scope • In 2012 Install about 3600 WFIs at 1200 locations • Integrate with new OMS/DMS
Status • Over 800 WFIs installed thru June
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Smart Isolation and Reclosing
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Purpose
• Application of pulse closing technology when reclosing onto faulted circuits to limit the energy into the fault, improving public safety
Scope • Install 18 intellirupters in 2012
Status
• 2009-2011 installations = 157
• 2012 installations completed to date = 2
• 2012 installations under construction = 6
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Operational Efficiency
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Outage Management System (OMS) Distribution Management System (DMS)
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Scope • Phase 1- Integrate SCADA and AMI for outage management • Phase 1- Integration MDTs for Troubleshooters and Crews • Phase 1- Storm Management features for improved restoration process • Phase 1- Feeder Load Management provides information to Distribution System
Operators • Phase 2- Fault Location Analysis (FLA) and Fault Location Isolation Service
Restoration (FLISR) for faster restoration of service • Phase 2- Volt/Var Optimization Status • Phase 1 Live September 2012 • Phase 2 4th Quarter 2012
Purpose • Replace existing OMS and install new DMS
system to improve outage restoration response, predict potential distribution grid issues, and manage customer impact and increase process efficiencies
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Operational Efficiency: Condition Based Maintenance
LTC energy is measured at the control cabinet on the other side of the bank
TRANSFORMER COOLING ANALYSIS
DISSOLVED GAS
ANALYSIS
TRANSFORMER ANALYSIS
TRANSFORMER BUSHINGS ANALYSIS
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Research, Development, and Demonstration
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Customer Energy Management
Substation Energy Storage
Community Energy Storage
Distributed Energy Resources
Home Energy Storage
Microgrid Controller
Feeder Automation System Technology
Description In cooperation with the US Department of Energy and the California Energy Commission, SDG&E along with public and private sector partners are developing a “microgrid” project – a small version of its smart electric grid.
Benefits: • Integrate and leverage various generation and storage configurations and other smart grid technologies • Reduce the peak load of feeders and enhance system reliability • Enable customers to become more active participants in managing their energy use
Research, Development & Demonstration: SDG&E Borrego Springs Microgrid Project
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Secure, 2-way Communications
Home Area Network
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Integrated and Cross-Cutting Systems
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SGG&E Grid Communication System
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Smart Grid Asset Examples >> Reclosers | Switches | Fault Indicators | Transformers | Phasor Management Units
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Low Power Communications Network (aka On-Ramp Wireless)
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Purpose
• Deploy low speed wireless communication network and backhaul connectivity to enable electric T&D smart grid projects such as wireless fault indicators and smart transformers
Scope • Phase 1 – Install 35 access points for
wide area coverage for overhead system • Phase 2 – Install additional access points
for improved coverage to enable installations on underground system
Status • Phase 1- 30 of 35 access points installed • Phase 2- Installations to begin 4th
quarter
•Green: >95% probability of coverage • Yellow: >75% probability of coverage • Red: > 50% probability of coverage • No Color: < 50% probability of coverage
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SGDP Annual Report Period Ending June 30, 2012
49
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Questions?
Thomas Bialek
Chief Engineer - Smart Grid
www.sdge.com/smartgrid/
Thank You