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Arizona Corporation Commission. Energy Workshop 2001-2002 February 16, 2001. Agenda. California Energy Situation Update - Staff Energy Preparedness for 2001 and 2002 Arizona Public Service Company Salt River Project Tucson Electric Power Arizona Electric Power Cooperative
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ArizonaCorporationCommission Energy Workshop 2001-2002 February 16, 2001
Agenda • California Energy Situation Update - Staff • Energy Preparedness for 2001 and 2002 • Arizona Public Service Company • Salt River Project • Tucson Electric Power • Arizona Electric Power Cooperative • Western Area Power Administration • Southwest Gas Corporation • Contingency Response Plan - Staff Energy Workshop 2001/2002
California Update Energy Workshop 2001/2002
Western Interconnection • WSCC • California • Desert Southwest Energy Workshop 2001/2002
Min.Reserve Requirements Reference: NERC Reliability Assessment 2000-2009 WSCC Data June 2000
History of Reserve Margins Per Dan Nix of CEC 5/17/00 Energy Workshop 2001/2002
WSCC Generation Additions Energy Workshop 2001/2002
+28,189 +2,219 WSCC Generation Mix Energy Workshop 2001/2002
California ISO Forecast Per Dan Nix of CEC 5/17/00 Energy Workshop 2001/2002
90%OTC 75%OTC
Arizona EHVTransmission San Juan Glen Canyon Navajo Four Corners Mead McKinley Mohave Cholla Westwing Coronado PaloVerde Pinnacle Peak Springerville Phoenix Silver King Kyrene Liberty North Gila Saguaro Yuma Greenlee Tortolita Tucson Transmission Import Constrained Area South Vail
98 127 1824 1,242 2,444 9,186 AZ-NM-S.NevReserve Requirements (MW)1 Total Min. Reserve Load Year Resources Requirements Responsibility 2000 20,932 20,834 18,244 2001 22,187 22,060 19,486 2002 26,581 24,757 21,930 2003 31,521 25,454 22,541 2004 31,576 26,379 23,367 2005 32,076 27,348 24,225 2006 32,076 28,256 25,030 2007 32,576 29,140 25,813 2008 32,576 30,048 26,617 2009 32,576 30,966 27,430 1Per WSCC Information Summary, June 2000 Energy Workshop 2001/2002
Arizona-NM-S. NVGeneration Mix +11,763 Energy Workshop 2001/2002
Arizona Generation 2001 Energy Workshop 2001/2002
New Arizona Generation 2002 Energy Workshop 2001/2002
Staff Summary • AZ Supply Plans Met WSCC Reserve Req. • 2001 & 2002 Dependent Upon New Plants • Existing Gas Supply & Delivery is Critical and Subject to Curtailment • New Plants Utilize Fuel Portfolio’s With Interruptible Gas Purchases But Sell Firm Electric Commodity • Transmission Capacity Is Marginal With Local Transmission Import Constraints • Exposed To System Deficiencies In WSCC Energy Workshop 2001/2002
What Actions Are Needed? • Prepare a coordinated load reduction strategy • Voluntary reduction / Price induced ? • Emergency response • Encourage distributed resource solutions • Encourage new EHV transmission to accompany new plant additions ACC Web Site HTTP://WWW.CC.STATE.AZ.US Energy Workshop 2001/2002
Questions ? Energy Workshop 2001/2002