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Western Energy Imbalance Service activities

​On Sept. 9, 2019 the Rocky Mountain and Upper Great Plains regions and the Colorado River Storage Project announced their intent to move forward with participation in Southwest Power Pool's Western Energy Imbalance Service. In order to be ready for the February 2021 launch date of the SPP WEIS, WAPA must complete a number of activities internally and with the WEIS partners. WAPA is committed to continuing conversations and sharing information with customers during the implementation phase. 

​Customer meetings & ​Webinars

​*Dates subject to change​

  • Oct. 29, 2019 -- WACM BA Customer Meeting in Loveland, Colorado​ (PDF)
  • Nov. 20, 2019 -- CRSP 10-year plan meeting​ in Salt Lake City, Utah (PDF)
  • ​​March 2020: Settlements one-on-one meetings with customers 
  • March 3: BA Services Agreement meeting 1​ 
  • March 19: Market Protocols meeting 1
  • March 31: Deadline to submit comments on first draft of BA Services Agreement
  • April: Settlements one-on-one meetings with customers​
  • April-May: Data requests shared​
  • April 3: Final Market Protocols available on SPP's website​
  • April 9: Second draft of BA Services Agreement sent out
  • April 14: BA Services Agreement meeting 2​
  • May 4: Deadline to submit comments on second draft of BA Services Agreement
  • May 15: Third draft of BA Services Agreement sent out
  • May 27: BA Services Agreement meeting 3
  • June 16: Deadline to submit comments on third draft of BA Services Agreement 
  • June 30: Final draft of BA Services Agreement sent out
  • July 1: Operations market trial begins
  • July 8: Final BA Services Agreement meeting 
  • July 29: Deadline to sign BA Services Agreement
  • July/August: Short-term Rates update meeting
  • NLT Jan. 1, 2021: Short-term rates in effect
  • Feb 1, 2021:  WEIS go-live

​​MILESTONE TIMELINE

​*Dates subject to change.​



documents

Decision phase information

​The Rocky Mountain and Upper Great Plains regions and the Colorado River Storage Project held a number of customer meetings and webinars to discuss the SPP proposal for WEIS during Summer 2019. The presentions and notes from this decision phase are below. 

    • July 25, Upper Great Plains discussion with Northwestern Energy
Page Last Updated: 4/21/2020 9:49 AM