How big is Daggett 3?

Daggett 3 reports 149 MW battery storage + 300 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Daggett 3?

Daggett 3 is a Solar Photovoltaic, Batteries facility in San Bernardino County, CA, participating in the CAISO market.

Where is Daggett 3 located?

Daggett 3 is in San Bernardino County, CA, inside the CAISO balancing area.

Who operates Daggett 3?

Daggett 3 is operated by Daggett Solar Power 3 LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Daggett 3 generate?

Daggett 3 reported 822.8 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Daggett 3 compare to other plants?

By capacity, Daggett 3 ranks #45 of 7,597 operating plants of the same technology nationally. It ranks #7 of 972 in CA.

Daggett 3 — 449 MW hybrid plant, San Bernardino County, CA

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Daggett 3 — 449 MW hybrid plant, San Bernardino County, CA · Ask the Grid

Generation and physical site

EIA plant 64852 · Inventory for Aug 2026.

Reported operating nameplate by technology

Battery storage: 149 MW
Solar: 300 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (2)

EIA generator status and nameplate capacity for Daggett 3
Generator	Technology	Status	Power (MW)	Energy (MWh)
DAGGB	Batteries	Operating	149	4.6
DAGGP	Solar Photovoltaic	Operating	300	Unknown

Physical map location · OpenStreetMap: 34.87190, -116.75939
Filed location · EIA: 34.86092, -116.85530

Registered plants sharing this mapped site

Shared physical site membership. Each plant keeps its own identity; this does not establish an electrical connection or settlement node.

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 7, 2026
Map prepared: Oct 10, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
DAGGB	149 MW 149 MW summer	Batteries Electricity used for energy storage · BA	Jul 2023	Operating
DAGGP	300 MW 300 MW summer	Solar Photovoltaic Solar · PV	Jul 2023	Operating

Overview

Infrastructure record

Overview

Infrastructure record

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Explore related directories

Structured profile

Generation and physical site

Reported operating nameplate by technology

Registered plants sharing this mapped site

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Daggett 3