Fifth Standard Solar PV, LLC (Hybrid)
Fifth Standard Solar PV, LLCFresno County
Fifth Standard Solar PV, LLC (Hybrid), located in Fresno County, California, is a 287-MW hybrid renewable-energy facility comprising a 150-MWac solar photovoltaic array with 369,334 photovoltaic panels and a co-located 137-MWac lithium-ion battery energy storage system with up to 548 MWh of capacity and a four-hour discharge duration. The facility connects to the California Independent System Operator (CAISO) grid through Pacific Gas & Electric Company's Gates Substation via a 230-kV generation-tie line. RWE Clean Energy owns and operates the project. The battery system, originally RWE's largest utility-scale storage facility, supports grid stability by storing excess solar energy for release during periods of highest demand.
Mapped infrastructure geometry associated with this asset.
EIA plant 64197 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| FTHSB | Batteries | Operating | 137 | 137 |
| FTHSS | Solar Photovoltaic | Operating | 150 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| FTHSB | 137 MW 117 MW summer | Batteries Electricity used for energy storage · BA | Sep 2023 | Operating |
| FTHSS | 150 MW 150 MW summer | Solar Photovoltaic Solar · PV | Sep 2023 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
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Project milestones and public references behind the asset profile.
EC&R Solar Development, LLC submitted Fresno County CUP Applications for the Fifth Standard Solar Project Complex, including the 150-MW Fifth Standard Solar Facility component.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Bright Arrow Solar, LLC | 403.6 MW | TX | |
| Cartwheel 1 - Storage, LLC | 300 MW | TX | |
| Peregrine Solar | 300 MW | TX | |
| Fifth Standard Solar PV, LLC (Hybrid)Current | 287 MW | CA | |
| Radfords Run Wind Farm | 278 MW | IL | |
| Emily Solar, LLC | 273.6 MW | IL | |
| Pyron Wind Farm LLC Hybrid | 258.9 MW | TX | |
| Copper Mountain Solar 3 | 255 MW | NV |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioRWE announced that the 137-MWac BESS had been connected to CAISO. The 150-MWac solar array was under construction with completion expected in August 2023.
EIA-860 lists generator FTHSB, generator FTHSS with this operating date.
Fifth Standard Solar achieved commercial operation date as stated in California regulatory filing.
RWE Supply & Trading Americas, LLC and counterparty agreed on contract for 4.13 MW of IRP Compliance Attributes from Fifth Standard Solar for ten-year period starting August 1, 2024.
RWE Supply & Trading Americas, LLC executed contract with Fifth Standard Solar for 4.13 MW of IRP Compliance Attributes.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Fifth Standard Solar PV, LLC (Hybrid) reports 137 MW battery storage + 150 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Fifth Standard Solar PV, LLC (Hybrid) is a Solar Photovoltaic, Batteries facility in Fresno County, CA, participating in the CAISO market.
Fifth Standard Solar PV, LLC (Hybrid) is in Fresno County, CA, inside the CAISO balancing area.
Fifth Standard Solar PV, LLC (Hybrid) is operated by RWE Clean Energy according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Fifth Standard Solar PV, LLC (Hybrid) reported 338.3 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Fifth Standard Solar PV, LLC (Hybrid) ranks #284 of 7,597 operating plants of the same technology nationally. It ranks #49 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.