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February 18, 2026

California Independent System Operator (CAISO)

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California Needs New Transmission for 100% Clean Energy
The West needs new transmission near term and far more in the long term for California to meets its goal to provide customers with 100% clean energy.
© RTO Insider LLC
Arizona to Weigh RTO Membership
Arizona has joined Colorado, Nevada and Oregon in exploring membership in an RTO in the Western Interconnection.
Eugene Zelenko CC BY-SA 4.0 via Wikimedia Commons
CAISO Urges Less Clothes to Avoid Blackouts
CAISO governors encouraged Californians to wear lighter clothing and turn up thermostats as a way to prevent capacity shortfalls this summer.
RTO Insider LLC
FERC Tosses NV Energy Complaint Against CAISO Summer Plan
FERC dismissed an NV Energy complaint related to CAISO’s plan to restrict certain wheel-through transactions when tight power supply threatens reliability.
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Western Drought Puts Hoover Dam Hydropower at Risk
Western drought has caused historically low water levels at hydropower facilities, including Lake Mead behind Hoover Dam and PG&E's major reservoirs.
U.S. Forest Service
CAISO Declares Emergency as Fire Derates Major Transmission Lines
CAISO issued a grid warning as a wildfire in Oregon threatened one of the major transmission pathways between California and the Pacific Northwest.
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CAISO Issues Urgent Call for More Summer Capacity
In a rare move, CAISO will use its capacity procurement mechanism to obtain more resources after other measures fell short, threatening summer blackouts.
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FERC OKs CAISO Wheel-through Restrictions
FERC approved CAISO's controversial rule changes on wheel-throughs, intended to ensure the ISO has adequate capacity this summer.
Western ‘Megadrought’ Curtails Hydropower
A drought in the West is cutting into hydropower supplies needed for summer reliability, especially in California, panelists in a USEA briefing said.
California Energy Commission
California PUC Orders Additional 11.5 GW but No Gas
The California PUC ordered an additional 11.5 GW of procurement by mid-decade but backpedaled on a plan to include up to 1,500 MW of fossil fuel generation in the mix.

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