California ISO

Government

Manages the bulk electric power system for most of California, ensuring reliability and market operations.

Sector: grid-operator
HQ: CA, US
Founded: 1998
Stories: 34 on MGRID.org

Stories about California ISO (34)

FERC Orders All Six Grid Operators

June 18, 2026 · AI Energy Demand

3 sources FERC issued Section 206 show-cause orders to all six U.S. grid operators on June 18, 2026, giving each 60 days to justify or rewrite tariffs governing how data…
MIT Researchers Cite Reactive Power Shortfall

May 12, 2026 · Power Quality

3 sources MIT identified cascading voltage instability -- not generation failure -- as the cause of the April 2025 Iberian blackout, raising alarms for inverter-heavy grids.
IRENA Report Puts Firm Solar-Plus-Storage at $54-74 per MWh

May 6, 2026 · Analysis

4 sources IRENA's 24/7 Renewables report (May 6, 2026) puts firm solar-plus-storage at $54-74 per MWh versus $60-95 per MWh for new combined-cycle gas, introducing a standardized firm-LCOE methodology that…
CAISO EDAM Goes Live May 2026 With PacifiCorp as First Counterparty

May 1, 2026 · Grid Services & Demand Response

CAISO and PacifiCorp launched their Extended Day-Ahead Market on May 1, 2026, expanding Western grid coordination to pool resource commitments and lower energy costs.
Energy Vault Acquires 850 MW Battery Storage Portfolio in Japan

April 9, 2026 · Energy Storage

4 sources Energy Vault has entered the Japanese market with the acquisition of an 850 MW battery energy storage portfolio expected to generate over $180 million in annual EBITDA once…
Leeward Renewable Energy Commissions 126 MW / 504 MWh

April 2, 2026 · Energy Storage

4 sources Leeward Renewable Energy brought a 126 MW / 504 MWh battery storage system online in Kern County, California in May 2025 under a 15-year contract with Southern California…
Reno Approves 200MW Trego Grid BESS Permit in Washoe County

April 2, 2026 · Energy Storage

3 sources Reno Planning Commission approved a conditional-use permit for a 200 MW battery system using 256 Tesla Megapacks adjacent to NV Energy Mira Loma substation, with Eolian Energy leadership…
Arevon Initiates $600M, 250MW/1,000MWh Cormorant Battery Project

March 24, 2026 · Energy Storage

3 sources In Daly City, California, a $600 million battery project is now underway, making it the largest urban battery storage facility in the U.S. This 250 MW / 1,000…
NERC Project 2026-02: Large Loads Face New Standards

March 22, 2026 · Power Quality

4 sources The North American Electric Reliability Corporation (NERC) has accepted the Standard Authorization Request (SAR) for Project 2026-02, focusing on computational loads. This initiative aims to address reliability concerns…
FERC: US Data Centers Hit 50 GW as MISO Grows 43% Per Year

March 19, 2026 · Analysis

3 sources US data center capacity reached 50 GW by end of 2025 with 24% compound annual growth since 2020, according to FERC 2025 State of the Markets report. MISO…