Battery storageOperatingCAISO

Caballero

Battery storage project in San Luis Obispo County, California. 99.7 MW of nameplate capacity across 1 generator, operated by Caballero CA Storage LLC.

Also known as Caballero Storage · EIA plant 68012

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Santa Maria LFG Power PlantJ&A-Santa Maria II LLCCold Canyon 1Vandenberg Solar ProjectStenner Creek SolarCaballero25 km
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6 plants within 42 km, from EIA coordinates.

Key facts

Capacity
99.7 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
April 2025First generator online
Operator
Caballero CA Storage LLCEIA operator ID 66549
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
San Luis Obispo County, CA35.0064, −120.4537
EIA plant ID
68012EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Caballero produces

Free · EIA-923

Net generation, 2025

−17.1 GWh

−17,119 MWh, final. 9 of 12 months reported

Battery discharge, 2025

103 GWh

Charge 120 GWh

January to July 2026

−13.4 GWh

Provisional

Annual net generation, GWh
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
2019Not reportedNot reported0 of 12
2020Not reportedNot reported0 of 12
2021Not reportedNot reported0 of 12
2022Not reportedNot reported0 of 12
2023Not reportedNot reported0 of 12
2024Not reportedNot reported0 of 12
2025−17,119Not reported9 of 12
2026 (provisional, partial year)−13,378Not reported7 of 7

* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.

Power prices and basis

Free account · CAISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
CAB11Batteries99.7April 2025

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Caballero CA Storage LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Analyst and MCP

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Power plants near Caballero

Questions about Caballero

How much power does Caballero produce?

Caballero reported −17,119 MWh (−17.1 GWh) of net generation in 2025. From January to July 2026 it reported −13.4 GWh, which is provisional. 9 of 12 months were reported for 2025.

Where is Caballero?

Caballero is in San Luis Obispo County, California, at 35.0064, −120.4537. It is in the California Independent System Operator balancing area (CISO).

Who operates Caballero?

EIA-860M for August 2026 lists Caballero CA Storage LLC as the operator (EIA operator ID 66549). The operator is not always the owner.

When did Caballero start operating?

Its first generator began operating in April 2025, according to EIA-860M.

Does InfraMap have power prices for Caballero?

Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Caballero, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page