Pyramid
Hidalgo County, New Mexico · EIA plant ID 7975 · Operator: Tri-State G & T Assn, Inc
Nameplate186MWSummer 158 MW
Generators4in service
Net generation267GWh12 mo to Dec 2025
Capacity factor19%gas/coal/oil units, summer MW
Heat rate11,110Btu/kWhfossil units, electric fuel, HHV
First online2003Runs as peaking
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2003 | 0 | 0.0% | — |
| 2004 | 16.6 | 1.2% | 9,946 |
| 2005 | 56.6 | 4.1% | 9,840 |
| 2006 | 36.1 | 2.6% | 9,954 |
| 2007 | 105.9 | 7.6% | 7,271 |
| 2008 | 37.9 | 2.7% | 9,728 |
| 2009 | 17.4 | 1.3% | 10,007 |
| 2010 | 13 | 0.9% | 9,246 |
| 2011 | 9.8 | 0.7% | 10,077 |
| 2012 | 135.8 | 9.8% | 10,248 |
| 2013 | 57.5 | 4.2% | 10,184 |
| 2014 | 57.1 | 4.1% | 10,711 |
| 2015 | 46.9 | 3.4% | 10,149 |
| 2016 | 25.2 | 1.8% | 9,915 |
| 2017 | 34.2 | 2.5% | 10,097 |
| 2018 | 66.3 | 4.8% | 10,325 |
| 2019 | 273.8 | 19.8% | 23,024 |
| 2020 | 125.9 | 9.1% | 10,288 |
| 2021 | 84.1 | 6.1% | 10,195 |
| 2022 | 73.3 | 5.3% | 10,349 |
| 2023 | 287.2 | 20.8% | 10,082 |
| 2024 | 269.7 | 19.4% | 10,537 |
| 2025 | 266.6 | 19.3% | 11,110 |
Fuel capability
Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo10,867 MMBtu
Last month with liquid burnDec 2025
Switch while operatingYes
Net summer MW on gas158
Net summer MW on oil160
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | GT | 46.5 | 39.5 | Mar 2003 | Operating | — | coming soon |
| 2 | Natural Gas Fired Combustion Turbine | GT | 46.5 | 39.5 | Mar 2003 | Operating | — | coming soon |
| 3 | Natural Gas Fired Combustion Turbine | GT | 46.5 | 39.5 | May 2003 | Operating | — | coming soon |
| 4 | Natural Gas Fired Combustion Turbine | GT | 46.5 | 39.5 | Apr 2003 | Operating | — | coming soon |
Owner / operator
Operator: Tri-State G & T Assn, Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Tri-State G & T Assn, Inc | 100.0% | 186 MW |
Nearby plants
Within 80 km.
| Lordsburg Generating | 88 MW | 18.9 km |
| USS Fletcher Solar | — | 19.8 km |
| Raven Sol Solar CSG | — | 20 km |
| Pluma - SLT Hidalgo CSG | 4 MW | 21.1 km |
| Lightning Dock Geothermal HI-01, LLC | 19 MW | 29 km |
| Freeport McMoRan | retired | 50.4 km |