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Research

ME BESS CAISO: Battery revenues hit their lowest levels ever in December 2025
Benchmark Report

6 days ago

Fog and floods limit battery revenues as solar output drops and gas leaves the supply stack in favor of imports.
An investor’s guide to co-located versus standalone batteries in CAISO
Research

17 Dec 2025

Investment boards evaluating battery energy storage projects face a fundamental credit decision between standalone and co-located configurations.The two arrangements are on opposite ends of the risk-reward spectrum when it comes to merchant revenues. S...
November 2025: CAISO’s battery revenues drop to $1.95/kW-month
Benchmark Report

03 Dec 2025

Merchant revenues for CAISO’s batteries averaged $1.95/kW-month in November 2025. That’s the lowest value of the Modo Energy BESS CAISO index on record. The next-lowest index reading is $2.26/kW-month, seen last December.Average revenues fell $1.37/kW ...
October 2025: Battery revenues in CAISO land at $2.99/kW
Benchmark Report

06 Nov 2025

​Grid-scale batteries in California earned $2.99/kW-month in merchant revenues during the month of October 2025.That’s $0.44/kW-month higher (+17%) than September 2025. This marks the third consecutive month of growth.​However, fleet-wide merchant reve...

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