This initiative focuses on market enhancements to support Washington Western Energy Imbalance Market (WEIM) entities with their reporting of WEIM transactions under Washington’s Climate Commitment Act.
| Proposal Development | Decision | Implementation | Completed/Closed |
|---|---|---|---|
|
Oct 21, 2022 Draft tariff language posted
Sep 22, 2022 Draft final proposal posted |
Jun 02, 2023 FERC filing (ER23-2062)
Apr 20, 2023 FERC approval of compliance filing (ER23-474) Mar 13, 2023 Compliance filing (ER23-474) Feb 10, 2023 FERC approval (ER23-474) Dec 19, 2022 Motion for leave to file answer and answer (ER23-474) Nov 21, 2022 Tariff amendment (ER23-474) Oct 25-26, 2022 Joint ISO Board of Governors and WEIM Governing Body approval |
Interim solution effective May 01, 2023
Implementation milestones
Full implementation: Nov 01, 2023 Outcome statement: This implementation includes scope to support the Washington reporting requirements, and reference level updates. This initiative comprises the first set of enhancements to support reporting WEIM transactions for emissions year 2022. The implementation scope includes: - Identification of resources within WA State boundary - Updatiing of WA State associated resources’ greenhouse gas (GHG) reference levels with dynamic pricing using vendor-provided indices - Calculation and publication of monthly projected GHG prices for Washington State - Development of reports to support WEIM Entity annual reporting to Washington State |
Completed |