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ARTICLE · 28 MAY 2026

Renewable Energy Update - May 21, 2026

Allen Matkins Leck Gamble Mallory & Natsis LLP
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California's Independent System Operator has approved an ambitious 2025-2026 transmission plan to accommodate 45 GW of new solar capacity, while the state grapples with competing priorities between renewable energy expansion and environmental preservation. Major developments include Fervo Energy's successful $1.89 billion IPO for enhanced geothermal systems and significant battery storage projects coming online across the region.

United StatesEnergy and Natural Resources
Barry H. Epstein
Barry H. Epstein
Dana P. Palmer
Dana P. Palmer
Tara E. Paul
Tara E. Paul

Focus

CAISO approves transmission plan enabling 45 GW of new solar PV

PV-Tech – May 20

The California Independent System Operator Board of Governors has approved the ISO’s 2025-2026 transmission plan to support 45 GW of new solar PV. In total, 38 transmission projects were recommended to meet growing demand over the next ten years, with half of the projects driven by forecasted load growth.

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CPUC to make final decision on community solar rules

Utility Dive – May 14

The California Public Utilities Commission is scheduled to vote June 11 on whether to finalize a proposed decision by an administrative judge rejecting changes to the Community Renewable Energy Program sought by solar advocates. At the same time, the California legislature is weighing Assembly Bill 1813, which would make changes to the program that are supported by solar advocates.

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