Arlington Energy Center II
NextEra Energy ResourcesRiverside County
Arlington Energy Center II is a hybrid solar and battery storage facility with 365 MW of EIA-reported total operating capacity and 528 MWh of reported storage energy capacity in Riverside County, California, registered as EIA Plant ID 64481. Arlington Energy Center II owns and operates the plant. Its grid role is co-located photovoltaic generation with battery storage; the battery component is registered as a New Non-Generation resource in CAISO.
Mapped infrastructure geometry associated with this asset.
Batteries, Solar Photovoltaic
4-hour storage duration
Arlington Energy Center II is operating.
230 kV · Southern California Edison
EIA plant 64481 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| AEC1 | Solar Photovoltaic | Operating | 100 | Unknown |
| AEC2 | Solar Photovoltaic | Operating | 133 | Unknown |
| AEC2B | Batteries | Operating | 132 | 528 |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AEC1 | 100 MW 100 MW summer | Solar Photovoltaic PV | Mar 2022 | Operating |
| AEC2 | 133 MW 133 MW summer | Solar Photovoltaic PV | Oct 2023 | Operating |
| AEC2B | 132 MW 132 MW summer | Batteries BA | Aug 2022 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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Project milestones and public references behind the asset profile.
The Bureau of Land Management originally permitted the Arlington Solar project along with the McCoy Solar Project and a related land-use-plan amendment.
CAISO
CAISO · Riverside County
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator AEC1 with this operating date.
EIA-860 lists generator AEC2B with this operating date.
EIA-860 lists generator AEC2 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Arlington Energy Center II reports 233 MW solar + 132 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Arlington Energy Center II is a Batteries, Solar Photovoltaic facility in Riverside County, CA, participating in the CAISO market.
Arlington Energy Center II is in Riverside County, CA, inside the CAISO balancing area.
Arlington Energy Center II is operated by Arlington Energy Center II according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Arlington Energy Center II reported 639.7 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
Arlington Energy Center II interconnects at Colorado River Substation, on the Southern California Edison system.
By capacity, Arlington Energy Center II ranks #131 of 7,597 operating plants of the same technology nationally. It ranks #24 of 972 in CA.
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.