CA Flats Solar 150 — 150 MW solar farm, CA

CA Flats Solar 150 — 150 MW solar farm, CA · Ask the Grid

Generation and physical site

EIA plant 60034 · Inventory for Sep 2026.

Reported operating nameplate by technology

Solar: 150 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 (1)

EIA generator status and nameplate capacity for CA Flats Solar 150, LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
GEN01	Solar Photovoltaic	Operating	150	Unknown

Physical map location · OpenStreetMap: 35.84040, -120.30339
Filed location · EIA: 35.61557, -120.40440

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 20, 2026
Map prepared: Oct 24, 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

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

Generator	Capacity	Technology	Operation	Status
GEN01	150 MW 150 MW summer	Solar Photovoltaic PV	Feb 2019	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Land and environmental record

Environmental Approval

Feb 10, 2015

Monterey County Final EIR / DRC2014-00016 approval

The California Flats Solar Project Final EIR is identified as DRC2014-00016. The Monterey County Board of Supervisors approved the project on February 10, 2015.

California Flats Solar Project Final EIR; (DRC2014-00016)

Federal Wildlife Permit

Feb 3, 2020

USFWS 30-year incidental eagle-take permit

The U.S. Fish and Wildlife Service issued a long-term Bald and Golden Eagle Protection Act permit covering recurring loss of breeding productivity at two golden-eagle territories from project operations, maintenance, and habitat loss. The permit is effective from February 3, 2020 through February 3, 2050.

California Flats Solar Project Eagle Permits NEPA Documents

Project Site Acreage And Parcel Record

Approximately 3,000-acre project site comprising 43 parcels

Official California environmental records place the California Flats Solar Project at 35°51'27.47"N, 120°18'19"W, in Monterey County. The record identifies 43 parcels and approximately 3,000 total acres.

California Flats Solar Project - CEQAnet

Wetland And Clean Water Act Resource

Approximately 37.52 acres of potentially jurisdictional aquatic resources

The project environmental assessment identifies approximately 37.52 acres of aquatic resources within the biological study area that may be subject to Clean Water Act Section 404, including ephemeral, intermittent, and perennial streams and culverts. Mitigation documents require avoidance and minimization where feasible and a wetland mitigation and monitoring plan targeting no net loss of acreage or function.

Source

Wildlife Mitigation Land

Approximately 6,204 acres of off-site golden-eagle mitigation land

The long-term eagle-permit environmental assessment identifies an approximately 2,510-hectare, or 6,204-acre, parcel group directly south of the project for permanent preservation, management, and enhancement of golden-eagle habitat.

Source

Mapped facility footprint

Mapped infrastructure geometry associated with this asset.© OpenStreetMap contributors · relation/15867057

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOfftaker

Parties and identifiers

OrganizationRoleBasis

Reporting portfolio

EIA reporting entity

Arevon Energy, Inc.

Entity 61230

Operating portfolio

38 plants

12 states

Reported capacity

955 MW

Batteries · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Moapa Southern Paiute	250 MW	NV
CA Flats Solar 150, LLCCurrent	150 MW	CA
Quinto Solar PV Project	108 MW	CA
Cal Flats BESS	60 MW	CA
Gulf Coast Solar Center III	50 MW	FL
Gulf Coast Solar Center II	40 MW	FL
Gulf Coast Solar Center I	30 MW	FL
Avalon Solar	29 MW	AZ

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

2015
2015
First Solar acquired the California Flats projectCapital Dyn...
First Solar acquired the project and subsequently completed its development and construction.
Aug 2017
Aug 2017
Construction of the 150 MW second phaseFirst Solar...
The second phase was under construction and was expected to be commissioned by the end of 2018 under a long-term power purchase agreement.
Aug 22, 2017
Aug 22, 2017
Capital Dynamics acquired the project from First SolarCapital Dyn...
First Solar announced completion of the sale of the 280 MWac California Flats Solar Project to Capital Dynamics. The 150 MW second phase, corresponding to the EIA plant, was under construction at the time; sale consideration was not disclosed.
View 1 more milestoneHide 1 milestone
1. Feb 2019
  Feb 2019
  Generator enters operationEIA-860
  EIA-860 lists generator GEN01 with this operating date.
May 28, 2019
May 28, 2019
Broader California Flats project achieved commercial operationCapital Dyn...
Capital Dynamics and First Solar announced completion and commercial operation of the broader 280 MWac, two-phase California Flats Solar Project.
2021
2021
California Flats battery system entered serviceA Legacy Pr...
The associated 240 MWh battery energy storage system went online and began shifting solar energy toward periods of peak demand.
Jul 29, 2021
Jul 29, 2021
Battery-storage tax equity securedCapital Dyn...
Capital Dynamics announced tax-equity investments from Goldman Sachs and U.S. Bank for a 60 MW/240 MWh battery system to be retrofitted at the operating California Flats site.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

ceqanet.lci.ca.govCalifornia Flats Solar Project - CEQAnetregulatory

Common questions about CA Flats Solar 150

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is CA Flats Solar 150?

CA Flats Solar 150 reports 150 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is CA Flats Solar 150?

CA Flats Solar 150 is a Solar Photovoltaic facility in San Luis Obispo County, CA, participating in the CAISO market.

Where is CA Flats Solar 150 located?

CA Flats Solar 150 is in San Luis Obispo County, CA, inside the CAISO balancing area.

Who operates CA Flats Solar 150?

CA Flats Solar 150 is operated by Arevon Energy, Inc. according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does CA Flats Solar 150 generate?

CA Flats Solar 150 reported 281.7 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does CA Flats Solar 150 compare to other plants?

By capacity, CA Flats Solar 150 ranks #284 of 7,597 operating plants of the same technology nationally. It ranks #49 of 972 in CA.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Cal Flats BESSBatteriesBatteries60 MW3.7 km CED AvenalSolar PhotovoltaicSolar Photovoltaic · same type16 MW22 km Sand Drag LLCSolar PhotovoltaicSolar Photovoltaic · same type19 MW24 km Sun City Project LLCSolar PhotovoltaicSolar Photovoltaic · same type

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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