Pyramid
Natural gas power plant in Hidalgo County, New Mexico. 186 MW of nameplate capacity across 4 generators, operated by Tri-State G & T Assn, Inc.
Also known as Pyramid Generating Station · EIA plant 7975
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 186 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- March 2003First generator online
- Operator
- Tri-State G & T Assn, IncEIA operator ID 30151
- Grid
- PNMBalancing authority PNM
- Price nodes
- None linkedNo verified ISO node
- Location
- Hidalgo County, NM32.2363, −108.5494
- EIA plant ID
- 7975EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pyramid produces
Free · EIA-923Net generation, 2025
267 GWh
266,614 MWh, final
Capacity factor, 2025
16.4%
2024: 16.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
25.2–287.2
GWh a year. Low 2016, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | 0 | Not reported | 10 of 12 |
| 2004 | 16,594 | Not reported | 12 of 12 |
| 2005 | 56,611 | Not reported | 12 of 12 |
| 2006 | 36,087 | Not reported | 12 of 12 |
| 2007 | 105,871 | Not reported | 12 of 12 |
| 2008 | 37,889 | Not reported | 12 of 12 |
| 2009 | 17,435 | Not reported | 12 of 12 |
| 2010 | 12,984 | 0.8% | 12 of 12 |
| 2011 | 9,823 | 0.6% | 12 of 12 |
| 2012 | 135,770 | 8.3% | 12 of 12 |
| 2013 | 57,499 | 3.5% | 12 of 12 |
| 2014 | 57,106 | 3.5% | 12 of 12 |
| 2015 | 46,906 | 2.9% | 12 of 12 |
| 2016 | 25,242 | 1.5% | 12 of 12 |
| 2017 | 34,197 | 2.1% | 12 of 12 |
| 2018 | 66,330 | 4.1% | 12 of 12 |
| 2019 | 273,786 | 16.8% | 12 of 12 |
| 2020 | 125,910 | 7.7% | 12 of 12 |
| 2021 | 84,092 | 5.2% | 12 of 12 |
| 2022 | 73,349 | 4.5% | 12 of 12 |
| 2023 | 287,233 | 17.6% | 12 of 12 |
| 2024 | 269,744 | 16.5% | 12 of 12 |
| 2025 | 266,614 | 16.4% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
165,968
US short tons. 2024: 165,042
SO₂, 2025
1
US short tons
NOx, 2025
166
US short tons
CO₂ per MWh, calculated
0.62 t
About 1,245 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (1, 2, 3, 4), matched to EIA plant 7975 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | 46.5 | March 2003 |
| 2 | Natural Gas Fired Combustion Turbine | 46.5 | March 2003 |
| 3 | Natural Gas Fired Combustion Turbine | 46.5 | May 2003 |
| 4 | Natural Gas Fired Combustion Turbine | 46.5 | April 2003 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Tri-State G & T Assn, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Pyramid
More plants operated by Tri-State G & T Assn, Inc
Questions about Pyramid
How much power does Pyramid produce?
Pyramid reported 266,614 MWh (267 GWh) of net generation in 2025, a 16.4% capacity factor on 186 MW of nameplate capacity.
Where is Pyramid?
Pyramid is in Hidalgo County, New Mexico, at 32.2363, −108.5494. It is in the Public Service Company of New Mexico balancing area (PNM).
Who operates Pyramid?
EIA-860M for August 2026 lists Tri-State G & T Assn, Inc as the operator (EIA operator ID 30151). The operator is not always the owner.
When did Pyramid start operating?
Its first generator began operating in March 2003, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page