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Home » Why 4 Colo. Utilities Joined CAISO EIM, not SPP WEIS
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Why 4 Colo. Utilities Joined CAISO EIM, not SPP WEIS

Benefits Would be Far Greater if All Mountain West Utilities Joined EIM Together, Study Found

Mar 16, 2020
Hudson Sangree
SPP/WEIS / Western Energy Imbalance Market (WEIM) / Energy Market / Colorado
By Hudson Sangree Xcel Energy and three other Colorado utilities decided to join CAISO’s Western Energy Imbalance Market instead of SPP’s Western Energy Imbalance Service in December because of projected economic benefits. Those benefits could have been far greater, however, if the other former members of the Mountain West Transmission...

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