How big is McFarland A Solar and Storage?

McFarland A Solar and Storage has a reported capacity of 300 MW and an energy capacity of 400 MWh. Source: EIA Form 860.

What kind of plant is McFarland A Solar and Storage?

McFarland A Solar and Storage is a Batteries, Solar Photovoltaic facility in Yuma County, AZ, participating in the CAISO market.

Where is McFarland A Solar and Storage located?

McFarland A Solar and Storage is in Yuma County, AZ, inside the CAISO balancing area.

Who operates McFarland A Solar and Storage?

McFarland A Solar and Storage is operated by AES Clean Energy according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does McFarland A Solar and Storage generate?

McFarland A Solar and Storage reported 537.4 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does McFarland A Solar and Storage connect to the grid?

McFarland A Solar and Storage interconnects at Hoodoo Wash 500 kV Switchyard, on the Arizona Public Service Company (APS); the Hoodoo Wash Switchyard is co-owned by APS, SDG&E, and IID. system.

How does McFarland A Solar and Storage compare to other plants?

By capacity, McFarland A Solar and Storage ranks #140 of 7,234 operating plants of the same technology nationally. It ranks #10 of 118 in AZ.

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Batteries, Solar PhotovoltaicCAISO · Yuma County

McFarland A Solar and Storage

AES Clean Energy · Yuma County · CAISO

McFarland A Solar and Storage is a hybrid solar and battery storage facility with 300 MW of EIA-reported total operating capacity and 400 MWh of reported storage energy capacity in Yuma County, Arizona, registered as EIA Plant ID 66636. AES Clean Energy owns and operates the plant, a subsidiary of The AES Corporation. AES described McFarland A Solar-plus-Storage as one of the largest solar-plus-storage projects in Arizona when it was completed in 2023. Its grid role is hybrid solar PV generation paired with battery storage; the cited records do not establish a more specific baseload, peaking, or arbitrage designation.

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plant:plant-66636

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Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Overview

Key fields

Generation / storage: 300 MW total / 400 MWh storage
Reported plant capacity and configuration.
Technology: Solar + battery storage
Primary generation technology.
Registry anchor: Plant 66636
AES Clean Energy · Yuma County · CAISO
Storage duration: 4 hours
Battery subsystem rating.
Operating status: Operating
McFarland A Solar and Storage is operating.
Grid connection: Hoodoo Wash 500 kV Switchyard
500 kV · Arizona Public Service Company (APS); the Hoodoo Wash Switchyard is co-owned by APS, SDG&E, and IID.

Profile

Grid role: Hybrid solar PV generation paired with battery storage; the cited records do not establish a more specific baseload, peaking, or arbitrage designation.
Grid connection: Hoodoo Wash 500 kV Switchyard · 500 kV · Arizona Public Service Company (APS); the Hoodoo Wash Switchyard is co-owned by APS, SDG&E, and IID.
Context: AES described McFarland A Solar-plus-Storage as one of the largest solar-plus-storage projects in Arizona when it was completed in 2023.
Physical build: Operating McFarland A consists of a 200 MW solar photovoltaic generator with 250 MW DC net capacity and a 100 MW battery-storage generator rated at 400 MWh, implying four-hour duration. The solar field is reported as single-axis tracked, bifacial, and crystalline silicon. BHI separately reports electrical and civil scope on a 250 MW Dateland solar field with battery storage. No exact-asset installed counts for modules, PCS/inverters, batteries, or containers were found.

Structured profile

Reported capacity: 300 MW
Batteries, Solar Photovoltaic
Energy: 400 MWh
4-hour storage duration
Operating status: operating
McFarland A Solar and Storage is operating.
Interconnection: Hoodoo Wash 500 kV Switchyard
500 kV · Arizona Public Service Company (APS); the Hoodoo Wash Switchyard is co-owned by APS, SDG&E, and IID.

Units and generators

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

Generator	Capacity	Technology	Operation	Status
BESS	100 MW 100 MW summer	Batteries Electricity used for energy storage · BA	Dec 2023	Operating
MCFRA	200 MW 200 MW summer	Solar Photovoltaic Solar · PV	Dec 2023	Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 200 MW
National rank: #140
AZ rank: #10

Monthly generation

Download CSV

Latest 12 months

537.4 GWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

20.6%

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

HOODOO WASH

IN SERVICE · 500 kV

0.3 km

UNKNOWN303427

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

County Parcel And Subdivision Record

2023

74-lot Dateland Ranch reversion involving McFarland Solar and Land Borrower LLC; 29 parcels listed by APN

Yuma County agenda identifies reversion affecting 74 lots zoned RA-40 between Palomas Road and County North 8th Street and Avenue 68E and 70½E in Dateland, Arizona. APNs 153-34-006 to -013; 152-35-001 to -014; 165-01-001 to -013; 165-02-001 to -016; 165-03-003 to -012; 165-04-004 to -013; 165-09-006; 165-12-001, -002; 166-06-002, -003. Broader facility land-assembly record; does not establish exclusive use by EIA 66636 or fee ownership.

AGENDA

Land-Borrower Corporate Identity

2022

McFarland Solar A Land Borrower, LLC identified as Delaware entity and subsidiary of AES Clean Energy Development, LLC

Yuma County-filed corporate documents identify McFarland Solar A Land Borrower, LLC and subsidiary schedule lists it under AES Clean Energy Development, LLC. Supports project land-borrower identity but does not establish fee ownership.

Scanned Document

Overall Facility Land Assembly Acreage

2023

3,118.0 gross acres for overall McFarland Solar Facility; not allocated among phases A, B, C

Yuma County 2023 memorandum states reversion to acreage intended to create one 3,118.0-gross-acre parcel for McFarland Solar Facility construction. Document does not allocate acreage among McFarland A, B, and C; scope is broader facility, not exact EIA 66636 phase.

M E M O R A N D U M

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

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AssetOwner / operatorOrganizationRelated asset

Parties and identifiers

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

2023
2023
Construction CompletionAES Complet...
AES reported that McFarland A Solar-plus-Storage was among the renewable projects whose construction it completed in 2023.
Dec 2023

Reporting portfolio

EIA reporting entity

AES Clean Energy

Entity 64904

Operating portfolio

48 plants

15 states

Reported capacity

4,273.7 MW

Batteries · Onshore Wind Turbine · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Rexford Solar Farm	540 MW	CA
McFarland B Solar and Storage	450 MW	AZ
McFarland A Solar and StorageCurrent	300 MW	AZ
Morris Solar	250 MW	MO
Chevelon Butte Wind Farm	238.2 MW	AZ
Baldy Mesa Solar & Storage	225 MW	CA
Chevelon Butte Phase 2	216 MW	AZ
Raceway Solar & Storage	205 MW	CA

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

View full reporting portfolio

McFarland A Solar and Storage

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McFarland A Solar and Storage

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Overview

Key fields

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Reporting portfolio

Sources

Common questions about McFarland A Solar and Storage

How big is McFarland A Solar and Storage?

What kind of plant is McFarland A Solar and Storage?

Where is McFarland A Solar and Storage located?

Who operates McFarland A Solar and Storage?

How much electricity does McFarland A Solar and Storage generate?

Where does McFarland A Solar and Storage connect to the grid?

How does McFarland A Solar and Storage compare to other plants?

Co-located assets

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