October 5, 2024

SPP Western Energy Imbalance Service (WEIS)

SPP Stakeholders Agree on WEIS Tariff Changes
Stakeholders in SPP’s Western Energy Imbalance Service market approved three revision requests in response to FERC’s rejection of the proposed Tariff.
SPP Readying 2nd Attempt at WEIS Tariff
SPP staff are working feverishly to address FERC and Market Monitoring Unit concerns that threaten the launch of its Western Energy Imbalance Service market.
FERC Rejects SPP’s WEIS Tariff
FERC said SPP's proposed Tariff for its Western Energy Imbalance Service market fails to respect transmission rights of non-participants.
SPP Briefs: Week of July 20, 2020
SPP's Western Energy Imbalance Service market is at risk of falling behind schedule because it is still waiting on FERC approval of the standalone Tariff.
SPP Briefs: Week Ending June 19, 2020
SPP is facing a two-month delay in gaining FERC approval of the Tariff for its Western Energy Imbalance Service market, staff said.
SPP Briefs: Week of May 11, 2020
SPP’s Market Monitoring Unit released the final version of its 2019 State of the Market report and a study on improving issues across the MISO seam.
SPP Western Markets Briefs: April 23, 2020
SPP’s effort to stand up the Western Energy Imbalance Service market is on budget and on schedule, RTO staff told the Western Markets Executive Committee.
SPP’s Western Market Protocols Approved
SPP stakeholders approved the initial set of protocols that will guide the RTO’s Western Energy Imbalance Service market in the Western Interconnection.
SPP Launches Western Market Groups
SPP‘s Western Energy Imbalance Service executive committee stood up the working group responsible for developing and maintaining the market’s protocols.
Why 4 Colorado Utilities Joined CAISO EIM, not SPP WEIS
Four Colorado utilities decided to join CAISO’s Energy Imbalance Market instead of SPP’s Western Energy Imbalance Service because of the economic benefits.

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