Antelope Valley
Mercer County, North Dakota · EIA plant ID 6469 · Operator: Basin Electric Power Coop
Nameplate954MWSummer 900 MW
Generators2in service
Net generation5,824GWh12 mo to Aug 2026
Capacity factor74%gas/coal/oil units, summer MW
Heat rate11,410Btu/kWhfossil units, electric fuel, HHV
First online1984Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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) |
|---|---|---|---|
| 2001 | 6,285.1 | 79.4% | 11,284 |
| 2002 | 6,317.3 | 79.8% | 10,577 |
| 2003 | 6,997.4 | 88.8% | 10,272 |
| 2004 | 6,486.7 | 82.0% | 10,268 |
| 2005 | 6,437.3 | 81.7% | 10,347 |
| 2006 | 7,107 | 90.1% | 10,295 |
| 2007 | 6,517.7 | 82.7% | 10,514 |
| 2008 | 6,413 | 81.1% | 10,988 |
| 2009 | 6,942.2 | 88.0% | 11,204 |
| 2010 | 6,363.9 | 80.7% | 11,172 |
| 2011 | 5,327.3 | 67.6% | 11,287 |
| 2012 | 6,371.7 | 80.6% | 11,201 |
| 2013 | 6,101.4 | 77.4% | 11,271 |
| 2014 | 5,838.4 | 74.1% | 11,246 |
| 2015 | 6,662.5 | 84.5% | 11,231 |
| 2016 | 5,923.7 | 74.9% | 11,383 |
| 2017 | 6,271 | 79.5% | 11,322 |
| 2018 | 6,442.3 | 81.7% | 11,285 |
| 2019 | 6,097.8 | 77.3% | 11,355 |
| 2020 | 5,694.9 | 72.0% | 11,543 |
| 2021 | 5,249.5 | 66.6% | 11,439 |
| 2022 | 5,895.7 | 74.8% | 11,535 |
| 2023 | 4,934.5 | 62.6% | 11,291 |
| 2024 | 5,206.8 | 65.9% | 11,206 |
| 2025 | 5,992 | 76.0% | 11,313 |
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 | Conventional Steam Coal | ST | 477 | 450 | Jul 1984 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 477 | 450 | Jul 1986 | Operating | — | coming soon |
Owner / operator
Operator: Basin Electric Power Coop. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Basin Electric Power Coop | 100.0% | 954 MW |
Nearby plants
Within 80 km.
| Coyote | 450 MW | 16.6 km |
| Oliver Wind IV | 199 MW | 32.2 km |
| Garrison | 583 MW | 34.8 km |
| Leland Olds | 656 MW | 40 km |
| Red Butte Wind | — | 43.6 km |
| Glen Ullin Energy Center | 107 MW | 45.2 km |