OREG 1 Inc
Other fuels power plant in Roosevelt County, Montana. 30 MW of nameplate capacity across 4 generators, operated by Ormat Nevada Inc.
Also known as EIA plant 56833
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 30 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- July 2006First generator online
- Operator
- Ormat Nevada IncEIA operator ID 34691
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 4 SPP nodesResource nodes with prices
- Location
- Roosevelt County, MT48.2139, −104.3975
- EIA plant ID
- 56833EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power OREG 1 produces
Free · EIA-923Net generation, 2025
135 GWh
134,568 MWh, final
Capacity factor, 2025
51.2%
2024: 55.5%
January to July 2026
74.0 GWh
Provisional
Range, 2015 to 2025
132.8–166.0
GWh a year. Low 2020, high 2017
| 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 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | 111,371 | Not reported | 12 of 12 |
| 2009 | 79,544 | Not reported | 12 of 12 |
| 2010 | 140,656 | Not reported | 12 of 12 |
| 2011 | 176,602 | 67.2% | 12 of 12 |
| 2012 | 175,842 | 66.7% | 12 of 12 |
| 2013 | 173,221 | 65.9% | 12 of 12 |
| 2014 | 131,573 | 50.1% | 12 of 12 |
| 2015 | 152,033 | 57.9% | 12 of 12 |
| 2016 | 153,032 | 58.1% | 12 of 12 |
| 2017 | 166,049 | 63.2% | 12 of 12 |
| 2018 | 164,341 | 62.5% | 12 of 12 |
| 2019 | 156,477 | 59.5% | 12 of 12 |
| 2020 | 132,845 | 50.4% | 12 of 12 |
| 2021 | 156,298 | 59.5% | 12 of 12 |
| 2022 | 153,821 | 58.5% | 12 of 12 |
| 2023 | 138,540 | 52.7% | 12 of 12 |
| 2024 | 146,151 | 55.5% | 12 of 12 |
| 2025 | 134,568 | 51.2% | 12 of 12 |
| 2026 (provisional, partial year) | 73,977 | 48.5% | 7 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 account · SPPEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
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 |
|---|---|---|---|
| CS7 | All Other | 7.5 | July 2006 |
| CS9 | All Other | 7.5 | August 2006 |
| CS10 | All Other | 7.5 | October 2006 |
| CS11 | All Other | 7.5 | August 2006 |
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 Ormat Nevada 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 OREG 1
More plants operated by Ormat Nevada Inc
Questions about OREG 1
How much power does OREG 1 Inc produce?
OREG 1 Inc reported 134,568 MWh (135 GWh) of net generation in 2025, a 51.2% capacity factor on 30 MW of nameplate capacity. From January to July 2026 it reported 74.0 GWh, which is provisional.
Where is OREG 1 Inc?
OREG 1 Inc is in Roosevelt County, Montana, at 48.2139, −104.3975. It is in the Southwest Power Pool balancing area (SWPP).
Who operates OREG 1 Inc?
EIA-860M for August 2026 lists Ormat Nevada Inc as the operator (EIA operator ID 34691). The operator is not always the owner.
When did OREG 1 Inc start operating?
Its first generator began operating in July 2006, according to EIA-860M.
Does InfraMap have power prices for OREG 1 Inc?
Yes. InfraMap has SPP day-ahead and real-time prices at 4 price nodes linked to OREG 1 Inc, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page