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- Combustion
- Storage
- In development
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Storage
- In development
- Operating
Limestone: location and 1 exact-grade project within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Limestone
Power plant · Coal
Key facts
Power plant · Coalran 46% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1985
- Net generation, 2025
- 7,523,395 MWh
- Grid
- 345 kV to CenterPoint Energy (ERCO)
- Location
- Limestone County, Texas
- Operated by
- NRG Texas Power LLC
Output
- Gas
- Coal
- Oil
Details
Who’s behind it
- Owner
- NRG Energy, Inc
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- Technology
- Coal source: “Conventional Steam Coal”
- Age
- 41 years since 1985
- Unused energy
- 8,681 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
- Heat rate
- 11,466 Btu/kWh 2025
All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| EPA greenhouse gas reporting (GHGRP) |
|
| Fuel burned (MMBtu), 2025 | 86,259,851 |
| Capacity factor, 2025 | 0.464 |
| Heat rate (Btu/kWh), 2025 | 11,465.5 |
| Net generation (MWh), 2025 | 7,523,395.0 |
| Balancing authority code | ERCO |
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| NRG Texas Power LLC | Operator | EIA-860M | ||
| NRG Energy, Inc | Owner | 100.0% | 31 Dec 2023 | EPA GHGRP |
Timeline
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Kahla Storage Studied | Storage | 10.7 km | 200.9 |