Samson Solar Energy III LLC
Invenergy · Lamar County · ERCOT
Samson Solar Energy III is a 250 MW photovoltaic facility in Lamar County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 63883, with service beginning in November 2022 and Invenergy Services LLC as the registered operator. The project is the third stage of Invenergy's five-phase Samson Solar Energy Center. Public totals above 1.3 GW and commercial arrangements announced for other Samson stages are complex-level or phase-specific and are not attributed to Samson III.
Overview
Key fields
- Phase capacity
- 250 MW
EIA May 2026
- Operating month
- Nov 2022
EIA
- Registry anchor
- Plant 63883
Invenergy Services LLC
Profile
- Grid role
- Utility-scale solar generation in ERCOT.
- Phase scope
- 250 MW Samson III · one operating EIA generator.
- Complex context
- One of five stages in the larger Samson Solar Energy Center.
- Evidence boundary
- Other-stage financing and offtake are not assigned to Samson III.
Structured profile
- Operating capacity
- 250 MW
EIA May 2026
- Registered operator
- Invenergy Services LLC
EIA
- Complex stage
- Samson III
Invenergy
- Technology
- Utility-scale photovoltaic
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 | Nov 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.
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 inventoryRelated 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 |
|---|---|---|
| EIA registered operator | EIA May 2026 generator inventory | |
| Grid selection | plant:plant-63883 | Canonical asset page /ercot/assets/plant/samson-solar-energy-iii-llc. |
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 portfolio