Company profile of California Independent System Operator Corporation

NEWS - ARCHIVES

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LS Energy Solutions in Commercial Operations for CAISO at Big Rock 200 MW/400 MWh Energy Storage Site

September 5, 2025

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New storage milestone reached for the California grid; more than 5,000 MW now available for dispatch Ten-fold increase since summer of 2020 enhances reliability

July 18, 2023

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Avantus Completes Sale of 200-Megawatt Energy Storage Project to Gore Street Energy Fund
The CAISO project in Imperial County will complement the region's abundant renewable energy generation, improving grid stability

February 20, 2023

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California ISO prepares for surge in grid-scale energy storage
Stakeholder initiative will drive cutting edge solutions for storage integration

May 3, 2021

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California ISO sets records in renewable energy integration
2020 saw historic peaks of solar and wind resources on electric grid

February 19, 2021

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First Native American tribe set to be a transmission owner in the ISO
The line upgrade will connect solar, wind and battery resources to the grid

February 15, 2021

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California ISO Board of Governors adopts storage resource enhancements; approves additional market improvements

October 5, 2020

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Largest battery storage system in US connects to California ISO grid
2020 will see a rise of almost six times the storage capacity in ISO markets

July 15, 2020

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California ISO records banner year for renewables integration
2019 saw historic amounts of solar, wind resources in the electric grid

February 5, 2020

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California ISO outlines vision for energy storage in evolving grid: Paper by California-Europe team highlights steps to commercial deployment

December 4, 2019

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FERC tariff approval follows 1,200 MW of solar energy dropped in 2016 event

July 18, 2019

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Real-time electricity market expands TEP's access to clean, affordable energy

May 13, 2019

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Flow battery pilot showcases economics of storage in wholesale markets

May 1, 2019