Johnson County
NRG Energy · Johnson County · ERCOT
Johnson County Power is a two-generator natural-gas combined-cycle facility near Cleburne in Johnson County, Texas. EIA's May 2026 inventory reports 282.6 MW nameplate, 277 MW net summer, and 280 MW net winter capability, with generator service dates in September and November 1996. LS Power acquired the project company from Brazos Electric in June 2023 through the Linebacker portfolio. NRG acquired Linebacker as part of its broader LS Power portfolio purchase on January 30, 2026; EIA continues to list Johnson County Power LLC as the plant operator.
Overview
Key fields
- Net summer capacity
- 277 MW
EIA May 2026
- Nameplate capacity
- 282.6 MW
Two generators
- Net winter capacity
- 280 MW
EIA May 2026
- Generators
- 2
GT-1 · ST-1
- Current ultimate owner
- NRG Energy
Since Jan 30, 2026
- Registry anchor
- Plant 54817
Johnson County Power LLC
Resource stack
- 1 resource
TEN_CC1_1
Profile
- Grid role
- Dispatchable combined-cycle generation selling into ERCOT.
- Capacity scope
- 282.6 MW nameplate · 277 MW net summer · 280 MW net winter.
- Current ownership
- NRG acquired the Linebacker parent portfolio in January 2026.
Structured profile
- Net summer capacity
- 277 MW
EIA May 2026
- Nameplate capacity
- 282.6 MW
EIA May 2026
- Current project company
- Johnson County Power LLC
EIA and SEC
- Current ultimate owner
- NRG Energy
NRG closing disclosure
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GT-1 | 178.2 MW 173 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Sep 1996 | Operating |
| ST-1 | 104.4 MW 104 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Nov 1996 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 282.6 MW
- National rank
- #379
- TX rank
- #58
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
1 ERCOT market resource · Combined-cycle gas
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
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.
Relationship graph
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Project company and EIA registered operator | Johnson County Power LLC | EIA May 2026 generator inventory |
| Portfolio current ultimate owner through the acquired linebacker portfolio | Financing covers a portfolio that includes Johnson County. | |
| Market resources | TEN_CC1_1 | Linked ERCOT resources. |
| Grid selection | plant:plant-54817 | Canonical asset page /ercot/assets/plant/johnson-county. |
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
- Gas-turbine record entered serviceEIA May 202...
EIA reports September 1996 for GT-1.
- Steam-turbine record entered serviceEIA May 202...
EIA reports November 1996 for ST-1.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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