How big is Arlington Energy Center III?

Arlington Energy Center III has a reported capacity of 241 MW and an energy capacity of 440 MWh. Source: EIA Form 860.

What kind of plant is Arlington Energy Center III?

Arlington Energy Center III is a Batteries, Solar Photovoltaic facility in Riverside County, CA, participating in the CAISO market.

Where is Arlington Energy Center III located?

Arlington Energy Center III is in Riverside County, CA, inside the CAISO balancing area.

Who operates Arlington Energy Center III?

Arlington Energy Center III is operated by Arlington Energy Center III according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Arlington Energy Center III generate?

Arlington Energy Center III reported 331.7 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does Arlington Energy Center III connect to the grid?

Arlington Energy Center III interconnects at Colorado River Substation, on the Southern California Edison Co system.

How does Arlington Energy Center III compare to other plants?

By capacity, Arlington Energy Center III ranks #360 of 7,234 operating plants of the same technology nationally. It ranks #67 of 939 in CA.

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Batteries, Solar PhotovoltaicCAISO · Riverside County

Arlington Energy Center III

Arlington Energy Center III, LLC · Riverside County · CAISO

Arlington Energy Center III is a hybrid solar and battery storage facility with 241 MW of EIA-reported total operating capacity and 440 MWh of reported storage energy capacity in Riverside County, California, registered as EIA Plant ID 64564. Arlington Energy Center III owns and operates the plant. Its grid role is hybrid solar photovoltaic generation with co-located battery storage; the battery is identified as supporting ramping and spinning reserve and absorbing excess wind and solar generation.

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plant:plant-64564

Ask about Arlington Energy Center III

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

Overview

Key fields

Generation / storage: 241 MW total / 440 MWh storage
Reported plant capacity and configuration.
Technology: Solar + battery storage
Primary generation technology.
Registry anchor: Plant 64564
Arlington Energy Center III · Riverside County · CAISO
Storage duration: 4 hours
Battery subsystem rating.
Operating status: Operating
Arlington Energy Center III is operating.
Grid connection: Colorado River Substation
220 kV · Southern California Edison Co

Profile

Grid role: Hybrid solar photovoltaic generation with co-located battery storage; the battery is identified as supporting ramping/spinning reserve and absorbing excess wind and solar generation.
Grid connection: Colorado River Substation · 220 kV · Southern California Edison Co.
Physical build: Ground-mounted, single-axis-tracked crystalline-silicon solar PV generation with one 131 MW solar generating unit and 164 MW DC capacity, combined with one operating 110 MW / 440 MWh lithium-ion battery generating unit. The plant has two generating units totaling 241 MW.

Structured profile

Reported capacity: 241 MW
Batteries, Solar Photovoltaic
Energy: 440 MWh
4-hour storage duration
Operating status: operating
Arlington Energy Center III is operating.
Interconnection: Colorado River Substation
220 kV · Southern California Edison Co
Location

Units and generators

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

Generator	Capacity	Technology	Operation	Status
AEC3	131 MW 131 MW summer	Solar Photovoltaic Solar · PV	Aug 2022	Operating
AEC3B	110 MW 110 MW summer	Batteries Electricity used for energy storage · BA	Aug 2022	Operating

Performance

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

Peer context

Technology capacity: 131 MW
National rank: #360
CA rank: #67

Monthly generation

Download CSV

Latest 12 months

331.7 GWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

15.2%

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

BUCK

IN SERVICE · 230 kV

11.8 km

BLYTHE WALC

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

Air Facility Land Area

2,250-acre facility at 1990 Dracker Drive, Blythe, California

MDAQMD Facility ID 4500 identifies Arlington Energy Center LLC at 1990 Dracker Drive, Blythe, CA 92226 with facility size of 2,250 acres. This is facility-level air-permit record not allocated separately to EIA plant 64564 or individual phases.

Mojave Desert Air Quality Management District Permit Search Site

Environmental Compliance Milestone

BLM environmental-compliance monitoring and reporting by NV5

NV5 was selected as environmental compliance manager and monitor for the Arlington project. Duties include monitoring BLM right-of-way authorization and Record of Decision compliance, weekly and monthly compliance reports, variance request processing, and environmental issue resolution.

Arlington Solar Energy Center and BESS - Nextera Energy Resources - NV5

Project Land Area

Approximately 2,500 acres leased from Bureau of Land Management

NV5 project description identifies the Arlington Solar Energy Center and BESS complex as occupying approximately 2,500 acres leased from BLM. This is project-level acreage for the Arlington complex and encompasses multiple phases; acreage not allocated specifically to EIA plant 64564 alone.

Arlington Solar Energy Center and BESS - Nextera Energy Resources - NV5

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 / operatorOfftaker

Parties and identifiers

OrganizationRoleBasis

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Aug 2022
Aug 2022
Generators enter operationEIA-860
EIA-860 lists generator AEC3, generator AEC3B with this operating date.
Sep 18, 2024
Sep 18, 2024
CAISO allocation of disgorged funds

Arlington Energy Center III

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Arlington Energy Center III

Ask about Arlington Energy Center III

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 Arlington Energy Center III

How big is Arlington Energy Center III?

What kind of plant is Arlington Energy Center III?

Where is Arlington Energy Center III located?

Who operates Arlington Energy Center III?

How much electricity does Arlington Energy Center III generate?

Where does Arlington Energy Center III connect to the grid?

How does Arlington Energy Center III compare to other plants?

Co-located assets

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