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Power Supply Adequacy Steering Committee 2010 Work Plan

The steering committee's plan includes benchmark models, methodology review, power supply assessment, and sharing information. Key issues and decisions discussed include temperature-correlated wind data, reserve requirements, hydro capability, and utility resource planning.

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Power Supply Adequacy Steering Committee 2010 Work Plan

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  1. 2010 Work Plan Steering Committee January 29, 2010

  2. Major Tasks • Benchmark Models • Review Adequacy Methodology • Assess Power Supply Adequacy • Share Information • Key Issues • Key Decisions

  3. Benchmark Models • Verify Data • Resources (thermal, hydro, renewable, conservation, non-firm) • Loads (annual, monthly, hourly) • Out-of-region Firm Contracts • Validate Models

  4. Review Adequacy Methodology(Proposed Contract with PSRI) • Survey use of probabilistic adequacy assessments in the US and in other countries • Develop options for the NW power supply (including status quo - LOLP as currently defined) • If appropriate, revise adequacy methodology • Translate probabilistic adequacy measure(s) into deterministic metrics with associated minimum thresholds

  5. Assess Power Supply Adequacy(Targeted to be Completed by June) • Update Resource and Load Data • Calculate Adequacy Measures • Annual Load/Resource Balance • January and July Sustained-Peak Reserve Margin • Check Measures against Thresholds 3 and 5 Years Out (2013 and 2015) • Take Appropriate Actions depending on Results

  6. Share Information • Publish annual adequacy assessment • Compare results with other regional reports • Work with regional utilities to incorporate adequacy assessments into their resource planning efforts • Work with WECC and NERC to ensure that NW adequacy is properly treated in West-wide or nation-wide assessments

  7. Key Issues • Develop synthetic temperature-correlated wind data • Define annual-energy and hourly-capacity wind factors • Identify reserve requirements (including within-hour) and how to treat them for adequacy assessments • Refine methods for assessing hydro sustained-peak capability • Reassess the definition for the sustained peak period • Explore how adequacy measures can be incorporated into long-term utility resource planning methods

  8. Key Decisions • Status of the Adequacy Forum • Level of utility guidance from the Forum • Definition and use of an “economic” adequacy measure

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