Heat Storm: Heat Storm: Update on CPUC Update on CPUC Follow-up Actions Follow-up Actions Steve Larson Steve Larson Executive Director Executive Director California Public Utilities California Public Utilities Commission Commission September 14, September 14, 2006 2006
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Heat Storm: Update on CPUC Follow-up Actions Steve Larson Executive Director California Public Utilities Commission September 14, 2006.
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Customers lost distribution service, most for short timesCustomers lost distribution service, most for short times PG&E 1.3 millionPG&E 1.3 million SCE 1.1 millionSCE 1.1 million SDG&E 45,000SDG&E 45,000
The Heat Storm Was an The Heat Storm Was an Extraordinary Event Extraordinary Event
Throughout the State Throughout the State (2)(2)
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ISO, Generators, Utilities, ISO, Generators, Utilities, Firefighters, and Customers Rose Firefighters, and Customers Rose
to the Occasionto the Occasion
ISO operated the grid efficiently and flexiblyISO operated the grid efficiently and flexibly Generators kept the power plants operatingGenerators kept the power plants operating Utility crews replaced blown transformersUtility crews replaced blown transformers Firefighters protected the gridFirefighters protected the grid Customers responded to FlexCustomers responded to Flex
Your Power callsYour Power calls
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PUC Action Plan Underway PUC Action Plan Underway NowNow
I.I. Increase Targeted Energy EfficiencyIncrease Targeted Energy Efficiency
Increase Targeted Increase Targeted Energy EfficiencyEnergy Efficiency
PG&E and SCE now soliciting PG&E and SCE now soliciting additional third party programs using additional third party programs using 2006-2008 program budgets. 2006-2008 program budgets.
Looking for innovative, targeted Looking for innovative, targeted energy efficiency programs focusing energy efficiency programs focusing on high-demand areas.on high-demand areas.
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Increase Demand Increase Demand ResponseResponse
I.I. Increased Air Conditioner CyclingIncreased Air Conditioner Cycling
II.II. Demand Response Programs For This SummerDemand Response Programs For This Summer
III.III. Demand Response Programs For 2007 and Demand Response Programs For 2007 and
BeyondBeyond
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Increase Air Conditioner Increase Air Conditioner CyclingCycling
Peevey Assigned Commissioner Peevey Assigned Commissioner Ruling August 15Ruling August 15
Directs Edison to bring 300 MW more Directs Edison to bring 300 MW more online by Summer 2007online by Summer 2007
Directs PG&E, SDG&E to report on Directs PG&E, SDG&E to report on opportunitiesopportunities
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Increased Demand Increased Demand Response Programs for Response Programs for
this Summerthis Summer E-4009E-4009: No advice letter. Initiated by Energy Division. Adopts a new : No advice letter. Initiated by Energy Division. Adopts a new
triggering mechanism for the Demand Reserves Partnership program triggering mechanism for the Demand Reserves Partnership program for the purpose of increasing demand response for the remainder of for the purpose of increasing demand response for the remainder of this summer. this summer.
E-4011E-4011: SDG&E AL 1811-E. Approves modifications to SDG&E’s C&I : SDG&E AL 1811-E. Approves modifications to SDG&E’s C&I 20/20 Program for the purpose of increasing more demand response 20/20 Program for the purpose of increasing more demand response for the remainder of this summer. for the remainder of this summer.
E-4012E-4012: PG&E AL 2870-E. Approves a modification to the Demand : PG&E AL 2870-E. Approves a modification to the Demand Bidding Program (PG&E/SCE/SDG&E) for the purpose of increasing Bidding Program (PG&E/SCE/SDG&E) for the purpose of increasing demand response for the remainder of this summer. demand response for the remainder of this summer.
E-4018E-4018: PG&E AL 2880-E. Approves re-opening PG&E’s Interruptible : PG&E AL 2880-E. Approves re-opening PG&E’s Interruptible tariff for remainder of 2006 but not 2007.tariff for remainder of 2006 but not 2007.
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Demand Response Programs Demand Response Programs for Next Summer and Beyondfor Next Summer and Beyond
Directed new demand response proposals Directed new demand response proposals August 30th. August 30th.
Received proposals for new and expanded Received proposals for new and expanded existing programs.existing programs.
Commission decision in November.Commission decision in November.
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New Local GenerationNew Local Generation
Five New Generators for Edison, andFive New Generators for Edison, and
Requests by PG&E and SDG&ERequests by PG&E and SDG&E
PeakersPeakers DispatchableDispatchable Supports local distribution systemSupports local distribution system
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Increased Use of Increased Use of Cooling Centers Cooling Centers (1)(1)
PG&EPG&E 31 Cooling Centers 31 Cooling Centers
PG&E separately refers approximately PG&E separately refers approximately 300 customers who self-identify 300 customers who self-identify as “heat sensitive” to Rotating as “heat sensitive” to Rotating Outages Cooling Stations. Outages Cooling Stations. PG&E is also expanding its effortsPG&E is also expanding its effortsto inform its customers about how to inform its customers about how to take care of themselves in the event of to take care of themselves in the event of extreme heat.extreme heat.
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Increased Use of Increased Use of Cooling Centers Cooling Centers (2)(2)
SCESCE 38 Cooling Centers 38 Cooling Centers
SCE has outreach program for targeted populations SCE has outreach program for targeted populations through informational fliers, public service through informational fliers, public service announcements, targeted mailings, targeted events, local announcements, targeted mailings, targeted events, local newspapers, and through established partnerships with newspapers, and through established partnerships with businesses and other community-based organizations.businesses and other community-based organizations.
In response to lessons learned during the last heat wave, In response to lessons learned during the last heat wave, SCE contractors have implemented grass roots door-to-SCE contractors have implemented grass roots door-to-door outreach within farm-worker communities, senior door outreach within farm-worker communities, senior housing, and low-income housing developments to housing, and low-income housing developments to inform vulnerable populations of the availability of Cool inform vulnerable populations of the availability of Cool Center sites.Center sites.
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Increased Use of Increased Use of Cooling Centers Cooling Centers (3)(3)
SDG&ESDG&E San Diego County has 150 Cooling CentersSan Diego County has 150 Cooling Centers SDG&E provides partial support to San Diego SDG&E provides partial support to San Diego
County’s Cool Zones Program through its CARE County’s Cool Zones Program through its CARE program. program.
Outreach for the Cool Zones program is a Outreach for the Cool Zones program is a collaboration between SDG&E and the County of collaboration between SDG&E and the County of San Diego. A kick-off event was held which San Diego. A kick-off event was held which received local media attention, and the County received local media attention, and the County also promotes Cool Zones through its own also promotes Cool Zones through its own methods. methods.
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Taking Stock and Taking Stock and Planning for the FuturePlanning for the Future
Is our forecasting good enough?Is our forecasting good enough? Are we out of the woods for this Are we out of the woods for this
summer?summer? What does next summer look like?What does next summer look like? What about the future?What about the future?
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Temperature Trends in Temperature Trends in the Last 100 yrsthe Last 100 yrs
Tmin
Red (f illed) = increasingBlue (open) = decreasing
0 .1 5 0 0 .0 7 5 0 .0 0 1
Statew ide Avg. = 0.037 oF/yr
Tmax
Statew ide Avg. = 0.009 oF/yr
Data Source: U.S Historical Climatology Netw ork
Summer
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Distribution of Maximum Temperatures: Distribution of Maximum Temperatures: June - SeptemberJune - September