CAISO/WEIM

The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
WECC: Name to Remain the Same
The Western Electricity Coordinating Council’s effort to clarify its mission will no longer include a name change, the group’s new chief said.
CAISO RC Wins Most of the West
CAISO is poised to take the lion’s share of the West in the competition for reliability coordinator (RC) customers, WECC revealed.
Governor's office
Calif. Gov. Signs Clean Energy Act Before Climate Summit
Gov. Jerry Brown signed legislation requiring California to get 100% of its power from renewable and other zero-carbon resources by 2045.
© RTO Insider
Western RTO Proponents Vow to Keep Trying
Even after failing three times in three years, supporters of CAISO regionalization say they’ll likely keep at it until they succeed.
U.S. Air Force/Sarah Corrice
CAISO Eases Rules for Energy Storage, DERs
CAISO moved to update its rules to make it easier for energy storage and distributed energy resources (ESDER) to participate efficiently in its markets.
WECC
WAPA to Divide RC Services Between CAISO, SPP
WAPA said its Sierra Nevada region will go with CAISO for RC services, while its Rocky Mountain and Desert Southwest regions will go with SPP.
PG&E
‘Asset Management’ not Subject to Order 890, FERC Rules
Order 890’s transparency provisions do not apply to asset management projects that provide only “incidental” increases in transmission capacity, FERC ruled.
California Wildfire Bill Goes to Governor
SB 901, a controversial bill to help California utilities pay for wildfires cleared the State Legislature and was sent to Gov. Jerry Brown.
U.S. Dept. of the Interior
CAISO Expansion Bill Dies in Committee
A measure to expand CAISO into an RTO for Western states failed to clear the legislature for the third time in three years.
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UPDATED: Calif. Clean Energy Measure Goes to Governor
A bill that would require California to get 100% of its power from renewable and other zero-carbon resources by 2045 passed a major hurdle.

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