Samson Solar Energy
WEC Energy Group and Invenergy · Franklin County · ERCOT
Samson I Solar Energy Center is a 250 MW photovoltaic facility in Franklin County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 63211, with service beginning in May 2022 and Invenergy Services LLC as the registered operator. Invenergy developed and built Samson I and arranged construction financing for this first 250 MW phase. The larger 1,300 MW Samson portfolio is separate scope and is not presented as this plant's capacity.
Overview
Key fields
- Operating capacity
- 250 MW
EIA
- WEC interest
- 90%
WEC Infrastructure
- Operating month
- May 2022
EIA
- Registry anchor
- Plant 63211
Invenergy Services LLC
Resource stack
- 6 resources
SAMSON_1_G1 · SAMSON_1_G2
Profile
- Grid role
- Utility-scale photovoltaic generation in ERCOT.
- Operating record
- 250 MW · May 2022 EIA service month.
- Ownership and operation
- WEC Energy Group reports a 90% interest; Invenergy is the registered operator.
Structured profile
- Operating capacity
- 250 MW
EIA
- Current reported owner
- WEC Energy Group · 90%
WEC
- Registered operator
- Invenergy Services LLC
EIA
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GEN1 | 250 MW 250 MW summer | Solar Photovoltaic Solar · PV | May 2022 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 250 MW
- National rank
- #76
- TX rank
- #33
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.
ERCOT disclosed dispatch
6 ERCOT market resources · Solar
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
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.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsNearby 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.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Market resources | SAMSON_1_G1, SAMSON_1_G2, SAMSON_1_G3, SAMSON_1_G4, SAMSON_3_G1 | 6 linked ERCOT resources. |
| Grid selection | plant:plant-63211 | Canonical asset page /ercot/assets/plant/samson-solar-energy. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| Lackawanna Energy Center | 1,498.5 MW | PA |
| Grays Harbor Energy Facility | 714.9 MW | WA |
| Nelson Energy Center | 627.5 MW | IL |
| Hardee Power Station | 470.1 MW | FL |
| Spindle Hill Energy Center | 420 MW | CO |
| Invenergy Nelson Expansion LLC | 380 MW | IL |
| Cannon Falls Energy Center | 346.8 MW | MN |
| Delilah Solar Energy II LLC | 310 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioTimeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Project Entered ServiceEIA May 202...
EIA reports May 2022.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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