RE Garland — 273 MW hybrid plant, Kern County, CA

RE Garland — 273 MW hybrid plant, Kern County, CA · Ask the Grid

Generation and physical site

EIA plant 60233 · Inventory for Sep 2026.

Reported operating nameplate by technology

Battery storage: 88 MW
Solar: 185.1 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 (3)

EIA generator status and nameplate capacity for RE Garland
Generator	Technology	Status	Power (MW)	Energy (MWh)
BESS1	Batteries	Operating	45	176
BESS2	Batteries	Operating	43	176
PV2	Solar Photovoltaic	Operating	185.1	Unknown

Physical map location · OpenStreetMap: 34.83001, -118.50949
Filed location · EIA: 34.82527, -118.52500

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: Sep 18, 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
BESS1	45 MW 45 MW summer	Batteries BA	Aug 2021	Operating
BESS2	43 MW 43 MW summer	Batteries BA	Dec 2021	Operating
PV2	185.1 MW 180 MW summer	Solar Photovoltaic PV	Nov 2016	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.

Transactions and agreements

PPA Award

Feb 4, 2021

Southern Power awarded 20-year PPA by Southern California Edison for Garland Solar Facility battery-storage addition of 88 MW and 352 MWh. Southern Power stated it would operate the storage resource.

88 MW contracted20 yearsSouthern Power Renewable Partnerships, LLC · Southern California Edison

Southern Power to add Battery Energy Storage Resources to two California Solar Projects

Land and environmental record

Battery Storage Environmental Asset

Mar 29, 2022

88 MW / 352 MWh lithium-ion battery storage addition; fully operational March 29, 2022

Southern Power announced Garland battery project became fully operational on March 29, 2022. Addition includes 88 MW and 352 MWh of lithium-iron-phosphate storage. Owned in partnership with AIP Management (for PKA and PenSam) and Global Atlantic Financial Group.

Battery-based energy storage projects at Southern Power's Garland and Tranquillity solar facilities are now operational - Mar 29, 2022

Construction Water Demand

2015

Approximately 805 acre-feet for construction

EIR appendix states construction, including water for construction and panel washing, would require approximately 805 acre-feet. Potable and domestic water would be brought to site; construction water would be trucked in.

RE Garland Solar Project DEIR

Owner Stated Site Area

Approximately 2,000 acres on two sites

Southern Power's facility fact sheet describes Garland Solar Facility as occupying two sites totaling approximately 2,000 acres in Kern County. This is the approximate built facility footprint, narrower than the 2,057-acre regulatory project area.

Source

Regulatory Project Area

Mar 24, 2015

2,057 acres

Kern County CEQA project record reports total project acreage of 2,057 acres spanning multiple parcels in Sections 30–32 of T9N/R15W and Sections 26, 35, and 36 of T9N/R16W, SBB&M. This is the environmental-review area, distinct from built facility footprint.

EIR JKM <07-14>; RE Garland Solar, by RE Garland, LLC

Mapped facility footprint

Mapped infrastructure geometry associated with this asset.© OpenStreetMap contributors · way/1457937483

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.

AssetOwner / operatorOfftakerOrganization

Parties and identifiers

OrganizationRoleBasis

Southern PowerOperatorCurrent owner; acquired the project from Recurrent Energy in 2015.

PenSamOwner / developerListed by Southern Power as one of the owners of the Garland Solar Facility.

Reporting portfolio

EIA reporting entity

Southern Power Co

Entity 17650

Operating portfolio

53 plants

14 states

Reported capacity

13,697.8 MW

Batteries · Natural Gas Fired Combined Cycle · Natural Gas Fired Combustion Turbine

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
H Allen Franklin Combined Cycle	1,995.7 MW	AL
E B Harris Electric Generating Plant	1,304 MW	AL
Wansley Combined Cycle	1,239 MW	GA
Rowan	1,192 MW	NC
Dahlberg	919 MW	GA
Cleveland Cnty Generating Facility	736 MW	NC

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

2015
2015
Construction CommencedSouthern Co...
Garland construction began in late 2015; a project profile dates groundbreaking to November, while Southern Power's December announcement described construction as having begun that month.
Nov 2016
Nov 2016
Generator enters operationEIA-860
EIA-860 lists generator PV2 with this operating date.
Dec 14, 2016
Dec 14, 2016
Commercial OperationCanadian So...
The 200 MWac/272 MWp Garland Solar Facility achieved commercial operation. Recurrent Energy developed the project, Southern Power was the majority owner, and Signal Energy Constructors provided EPC services.
Jun 2021
Jun 2021
Battery retrofit announced and under constructionRecurrent E...
Recurrent Energy reported that battery retrofits at Garland and Tranquillity were under construction; Southern Power's project fact sheet described an 88 MW, 352 MWh storage addition for Garland.
Aug 2021
Aug 2021
Generator enters operationEIA-860
EIA-860 lists generator BESS1 with this operating date.
Dec 2021
Dec 2021
Generator enters operationEIA-860
EIA-860 lists generator BESS2 with this operating date.

Sources

PublisherReferenceType

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

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

signalenergy.comSignal Energy | Garland Solar Projectother

Common questions about RE Garland

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

How big is RE Garland?

RE Garland reports 88 MW battery storage + 185.1 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 RE Garland?

RE Garland is a Batteries, Solar Photovoltaic facility in Kern County, CA, participating in the CAISO market.

Where is RE Garland located?

RE Garland is in Kern County, CA, inside the CAISO balancing area.

Who operates RE Garland?

RE Garland is operated by Southern Power Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does RE Garland generate?

RE Garland reported 483.5 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

Where does RE Garland connect to the grid?

RE Garland interconnects at Whirlwind Substation.

How does RE Garland compare to other plants?

By capacity, RE Garland ranks #227 of 7,597 operating plants of the same technology nationally. It ranks #38 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.

RE Garland ASolar PhotovoltaicSolar Photovoltaic20 MW1.5 km RE Astoria 2Solar PhotovoltaicSolar Photovoltaic75 MW2.8 km RE Gaskell West 2 LLCSolar Photovoltaic, BatteriesSolar Photovoltaic, Batteries65 MW3.8 km RE Gaskell West 3 LLCSolar PhotovoltaicSolar Photovoltaic

Overview

Overview

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Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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