Five Wells Solar Center - Hybrid
ENGIE North America · Bell County · ERCOT
Five Wells Solar Center is an operating solar-and-storage facility in Bell County, Texas. EIA's May 2026 inventory reports a 355.4 MW solar generator with 320 MW net summer capability and a 262.5 MW battery generator with 259 MW net summer capability and 250 MWh of stored energy. ENGIE describes the public project scope as 320 MW of solar and 220 MW of storage, with solar operating since 2023 and storage since 2024. Those owner and EIA scopes are reported separately.
Overview
Key fields
- Net summer capacity
- 579 MW
320 MW solar · 259 MW battery
- Nameplate capacity
- 617.9 MW
EIA May 2026
- Stored energy
- 250 MWh
EIA battery record
- Owner scope
- 320 MW / 220 MW
ENGIE solar / storage
- Current settlement point
- FIVEWSLR_ALL
ERCOT public listing
- Registry anchor
- Plant 66420
Five Wells Solar Center LLC
Profile
- Grid role
- Co-located utility-scale solar generation and battery storage in ERCOT.
- EIA configuration
- One solar record and one battery record total 617.9 MW nameplate and 579 MW net summer capability.
- Storage scope
- EIA reports 262.5 MW nameplate, 259 MW net summer capability, and 250 MWh; ENGIE separately markets a 220 MW storage scope.
- Operating record
- EIA dates solar service to December 2023 and battery service to July 2024; ENGIE reports the same operating years.
Structured profile
- Solar nameplate
- 355.4 MW
EIA May 2026
- Solar net summer
- 320 MW
EIA May 2026
- Battery nameplate
- 262.5 MW
EIA May 2026
- Battery stored energy
- 250 MWh
EIA May 2026
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| FWBAT | 262.5 MW 259 MW summer | Batteries Electricity used for energy storage · BA | Jul 2024 | Operating |
| FWSOL | 355.4 MW 320 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
- 355.4 MW
- National rank
- #23
- TX rank
- #14
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
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 inventoryCommercial, 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
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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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Grid selection | plant:plant-66420 | Canonical asset page /ercot/assets/plant/five-wells-solar-center-hybrid. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Solar generator entered serviceEIA May 202...
EIA reports December 2023 for FWSOL; ENGIE identifies 2023 as the solar operating year.
- Battery generator entered serviceEIA May 202...
EIA reports July 2024 for FWBAT; ENGIE identifies 2024 as the storage operating year.
Sources
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