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Wire · technology

CAISO Battery Capacity Increased 42% in 2025, Report Finds

3 November 2026 · By · Wire by Fusion42

Published

3 November 2026

Topic

technology

◆ Sectors

Climate Tech

◆ Geography

United States

◆ Source

Read at rtoinsider.com →

◆ Verified

Fusion42 · 4 November 2026 · Fusion42 review

Battery storage supplying energy to California's CAISO grid increased by 42% in 2025, nearly doubling the energy supplied compared to the previous year, while average revenues for battery resources continue to decline.

This Wire brief sits within Fusion42's coverage of Climate Tech.

◆ ◆ The Wire takeaway

Battery capacity growth in California is accelerating power supply options but revenues are dropping, so you must balance scaling storage with finding sustainable business models now.

◆ Coverage

1 source · 3 Nov 2026

◆ Related on Wire

◆ Topics

Climate Techbattery-storageCAISOenergy-gridrenewablesstorage-revenue