Leland Olds
Mercer County, North Dakota · EIA plant ID 2817 · Operator: Basin Electric Power Coop
Nameplate656MWSummer 660 MW
Generators2in service
Net generation3,663GWh12 mo to Aug 2026
Capacity factor63%gas/coal/oil units, summer MW
Heat rate11,904Btu/kWhfossil units, electric fuel, HHV
First online1966Runs 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 | 4,378.3 | 74.7% | 11,047 |
| 2002 | 4,577 | 78.1% | 11,278 |
| 2003 | 4,148.8 | 70.8% | 11,074 |
| 2004 | 4,430.5 | 75.4% | 11,084 |
| 2005 | 4,816.7 | 82.2% | 11,400 |
| 2006 | 3,904.5 | 66.6% | 11,488 |
| 2007 | 4,391.1 | 74.9% | 11,700 |
| 2008 | 4,497.1 | 76.5% | 11,375 |
| 2009 | 4,197.4 | 71.6% | 11,264 |
| 2010 | 3,901.2 | 66.5% | 11,343 |
| 2011 | 3,261.1 | 55.6% | 11,435 |
| 2012 | 3,408.7 | 58.2% | 11,510 |
| 2013 | 4,095.5 | 70.1% | 11,560 |
| 2014 | 3,453.5 | 59.1% | 11,949 |
| 2015 | 3,581.7 | 61.3% | 11,638 |
| 2016 | 3,995.3 | 68.2% | 11,745 |
| 2017 | 3,724 | 63.7% | 11,821 |
| 2018 | 3,359.5 | 57.5% | 11,776 |
| 2019 | 3,605.4 | 61.8% | 11,759 |
| 2020 | 2,996.8 | 51.2% | 11,989 |
| 2021 | 2,592.1 | 44.4% | 12,027 |
| 2022 | 3,807.6 | 65.3% | 11,915 |
| 2023 | 3,256.1 | 56.3% | 11,623 |
| 2024 | 3,061.1 | 52.8% | 12,106 |
| 2025 | 2,354 | 40.7% | 12,205 |
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 | 216 | 220 | Jan 1966 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 440 | 440 | Dec 1975 | 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% | 656 MW |
Nearby plants
Within 80 km.
| Coal Creek | 1,216 MW | 16.4 km |
| FPL Energy Oliver Wind I LLC | 51 MW | 17 km |
| FPL Energy Oliver Wind II LLC | 48 MW | 17 km |
| Garrison | 583 MW | 24.7 km |
| Milton R Young | 734 MW | 25.3 km |
| Red Butte Wind | — | 26.8 km |