Search
January 31, 2026

California Independent System Operator (CAISO)

CAISO
Calif. Energy Officials Ponder Interconnection Timelines, Load Uncertainty
California energy officials are recognizing the need to work together to prioritize a long list of transmission and distribution interconnection projects as the state’s load growth accelerates due to expected data center development.
Brattle Group
Home Batteries Provide 535 MW to CAISO Grid on VPP Test Day
An aggregation of more than 100,000 residential batteries provided an average 535 MW of support to California’s electricity grid during a test to prepare for the hot summer period ahead.
CAISO
WEIM Q2 Benefits Exceed $420M, as Total Tops $7.4B
CAISO’s Western Energy Imbalance Market provided participants with $422.44 million in economic benefits during the second quarter of 2025, up 15% compared with the same period year earlier despite no change in membership. 
CAISO
FERC Affirms Use of RTO Adder for CAISO Tx Developer
FERC affirmed the ability of an independent transmission developer to include an RTO adder in its CAISO formula rate, rebuffing a request by the California Public Utilities Commission to reject the company’s use of the incentive.
West-Wide Governance Pathways Initiative
Pathways Initiative Clarifies Near-term Division of Labor with CAISO
The West-Wide Governance Pathways Initiative will run its stakeholder processes separately from CAISO’s until the effort's regional organization is formally launched in 2028, even in areas of overlapping interest.
Shutterstock
‘Mark Twain’ Summer Weather Eases CAISO’s Grid Operations

Below-average temperatures in California this summer have reduced demand and made electric grid operations uneventful so far, with the state reaching 40,000 MW of demand for the first time in July.

© RTO Insider LLC
New WRAP Task Force to Take on Treatment of CAISO Tx
A new Western Resource Adequacy Program task force has been charged with revising the WRAP tariff to clarify that participants can rely on a specific category of CAISO transmission service to count remote resources toward their “forward showing” requirements.
CAISO DMM
Battery Storage Revenue Average Trending Down in California

California’s fastest-growing energy resource — battery storage — is earning less net revenue each year, while capacity is forecast to continue to boom.

© RTO Insider LLC
CAISO Suggests CPUC Consider New Procurement Order for 2028

CAISO is asking the California Public Utilities Commission to consider issuing a new procurement order to meet the region’s electricity reliability needs from 2028-2032, citing significant forecasted load growth in those years.

CAISO
Calif. Electric Reliability Outlook Strong, CEC Report Says

California should have plenty of electricity available to meet demand over the next few years, even during extreme weather events or if new energy resource installations are delayed, a California Energy Commission report said.


Want more? Advanced Search