Hoot Lake
Otter Tail County, Minnesota · EIA plant ID 1943 · Operator: Otter Tail Power Co
×130 MW coal retired since 2020 (latest Jun 2021)
Nameplate1MWSummer 1 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor51%hydro units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1914
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), hydro 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 | 824.4 | 52.5% | — |
| 2002 | 834.2 | 57.2% | — |
| 2003 | 917.6 | 31.0% | 11,554 |
| 2004 | 745 | 43.7% | 11,245 |
| 2005 | 934.5 | 54.3% | 11,391 |
| 2006 | 872.9 | 48.7% | 11,414 |
| 2007 | 957.1 | 26.0% | 11,231 |
| 2008 | 770.7 | 53.2% | 11,478 |
| 2009 | 623.5 | 343.8% | 11,516 |
| 2010 | 836 | 364.3% | 11,306 |
| 2011 | 792.7 | 63.3% | 11,446 |
| 2012 | 658.8 | 36.8% | 11,552 |
| 2013 | 813.2 | — | 11,435 |
| 2014 | 586.2 | 66.6% | 11,524 |
| 2015 | 301.1 | 69.9% | 11,350 |
| 2016 | 222.1 | 82.8% | 11,549 |
| 2017 | 253.9 | 79.8% | 11,581 |
| 2018 | 528.7 | 65.0% | 11,548 |
| 2019 | 319.1 | 76.9% | 11,715 |
| 2020 | 203.6 | 72.9% | 11,909 |
| 2021 | 127.7 | 38.8% | 12,158 |
| 2022 | 2.7 | 38.3% | — |
| 2023 | 1.8 | 25.9% | — |
| 2024 | 3.3 | 46.8% | — |
| 2025 | 3.6 | 51.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| H1 | Conventional Hydroelectric | HY | 1 | 0.8 | Sep 1914 | Operating | — | coming soon |
| 1 | Conventional Steam Coal | ST | 7.5 | 7.7 | Aug 1948 | Retired Dec 2005 | — | coming soon |
| 2 | Conventional Steam Coal | ST | 54.4 | 58 | Oct 1959 | Retired Jun 2021 | — | coming soon |
| 3 | Conventional Steam Coal | ST | 75 | 80 | May 1964 | Retired Jun 2021 | — | coming soon |
| D1 | Petroleum Liquids | IC | 0.2 | 0.2 | May 1967 | Retired Jun 2021 | — | coming soon |
| D2 | Petroleum Liquids | IC | 0.1 | 0.1 | May 1967 | Retired Jun 2021 | — | coming soon |
Owner / operator
Operator: Otter Tail Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Otter Tail Power Co | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Hoot Lake Solar | 50 MW | 0 km |
| Lake Region Community Hybrid, LLC | 3 MW | 25.4 km |
| Lakeswind Power Partners | 52 MW | 49.2 km |
| Grant County Wind LLC | 21 MW | 55.6 km |
| Detroit Lakes | 13 MW | 60.5 km |
| Abercrombie Solar | — | 62 km |