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TEPPC MeetingMay 6-7, 2015
Salt Lake City, UT
Thomas CarrWestern Interstate Energy Board
State-Provincial Steering Committee Update
Meetings: Recent and Future
• SPSC/CREPC/WIRAB (April 6-8, 2015)• San Diego, CA• Completion of the ARRA grant funding for input to transmission
planning and related projects• Proposed transition of SPSC into CREPC
• Western Interstate Energy Board (June 17-18, 2015)• Boise, ID• State Energy Planning (SEP) Idaho grant• Future of SPSC and CREPC
2
Recent SPSC Projects
• Modular approach to 111(d) compliance (Cadmus)• Scenarios 111(d) resource mix (Energy Strategies)• Changing regional electricity trading patterns (E3)• New method for path transfer capability (Quanta)• Survey of Regional Planning & Order 1000 (ICF)• Reliability Challenges and Mitigation Checklist (GE)• Flexibility assessment project (E3)• Distribution system planning (EQL)• Low Carbon 20-year Scenarios (E3) 3
Modular Approach to 111(d) Compliance
• Contractor: Cadmus• Modular approach
• States develop their own individual compliance plans for meeting their individual targets, but with portions of those state plans (or modules) developed in voluntary collaboration with other states
• Renewable energy• WREGIS would require minimal enhancements to offer the essential
features for tracking, trading, and reporting 111(d)-eligible RECs
• Energy efficiency • WREGIS has the capability to accommodate 111(d)’s EE compliance
requirements with minimal enhancements
• Redispatch• Demonstrated gains from a two-state collaborative redispatch case
over two states acting independently
4
Scenarios 111(d) resource mix for WECC analysis
• Contractor: Energy Strategies• Start with 2024 Common Case and derive compliance gap
5
Resulting 4 theme scenarios
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Changing regional electricity trading patterns
• Contractor: Energy & Environmental Economics (E3)• Changing Resource mix
• Base Case and High Renewables• Increase of coal retirements
• Evaluate changes in transmission flows
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33%
18% 17% 16% 16% 15%13%
7% 7%
14%
8%4%
40%
30% 30%
25% 25% 25%
20% 20%
15% 15% 15%
10% 10% 10%
0%
10%
20%
30%
40%
50%
CA OR CO UT NM NV AB WA BC MT AZ ID TX WY
Percent of Retail Loads Served by Renewables
Base Case - OtherBase Case - RPSHigh Renewables Case
8
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