Lake (WY)
YellowStone Lake (area), Yellowstone, WY 82190Plant Summary Information
Lake (WY) is ranked #6 out of 6 distillate fuel oil power plants in Wyoming in terms of total annual net electricity generation.
Lake (WY) is comprised of 1 generator and generated 21.2 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Lake (WY) |
|---|---|
| Utility Name | NorthWestern Energy (MT wind/thermal) |
| Location | Teton County, WY |
| Initial Operation Date | September 1967 |
| Last Update | Dec 2025 |
| Annual Generation | 96.0 MWh |
| Annual Consumption | 1.6 k MMBtu |
| Ranked #12,708 out of 13,081 Power Plants Nationwide | |
| Ranked #851 out of 1,233 Distillate Fuel Oil Power Plants Nationwide | |
| Ranked #69 out of 69 Wyoming Power Plants | |
| Ranked #6 out of 6 Wyoming Distillate Fuel Oil Power Plants | |
| Fuel Types | Distillate Fuel Oil |
| Previous Operator |
NorthWestern Energy (2013 to 2020) NorthWestern Energy (MT wind/thermal) (2021 to 2025) |
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Monthly Net Generation for Lake (WY)
Monthly Plant Fuel Consumption for Lake (WY)
Lake (WY) Details
| Summary Information | |
|---|---|
| Plant Name | Lake (WY) (7039) |
| Plant Address | YellowStone Lake (area), Yellowstone, WY 82190 |
| Utility | NorthWestern Energy (MT wind/thermal) (56815) |
| Latitude, Longitude | 44.415, -110.5739 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | September 1967 |
| Annual Generation | 96.0 MWh |
| Fuel Types | Distillate Fuel Oil |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | NorthWestern Energy (NWMT) (NWMT) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NorthWestern Energy LLC - (MT) (12825) WY |
| Grid Voltage | 50.00 kV |
| Energy Storage | No |
Generator 1 Details Standby September 1967
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NA |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NA |
| Nameplate Capacity | 2.7 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2.7 MW |
| Winter Capacity | 2.7 MW |
| Minimum Load | 2.3 MW |
| Uprate/Derate Completed | No |
| Status | Standby |
| Synchronized To Transmission Grid | No |
|---|---|
| First Operation Date | September 1967 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Lake (WY) Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Distillate Fuel Oil.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #841 | Rockwood | Brawley, CA | 419.0 MWh |
| #842 | Savannah River Site Biomass Cogen | Aiken, SC | 95.9 GWh |
| #843 | Goldsmith | Goldsmith, TX | 101.0 MWh |
| #844 | Westover | Odessa, TX | 100.0 MWh |
| #845 | Water Street Station | Bay City, MI | 1.0 GWh |
| #846 | Lake Mills | Lake Mills, IA | 99.0 MWh |
| #847 | Citrus City | Mission, TX | 99.0 MWh |
| #848 | Spartanburg Water System | Chesnee, SC | 620.0 MWh |
| #849 | Jackson Cntr Peaking | Jackson Center, OH | 98.0 MWh |
| #850 | Blue Earth | Blue Earth, MN | 96.0 MWh |
| #852 | WAL5211 | McKinney, TX | 96.0 MWh |
| #853 | E. Porte Ct. | Harlingen, TX | 96.0 MWh |
| #854 | Salem Water Plant | Salem, VA | 96.0 MWh |
| #855 | Henry Station | Bay City, MI | 1.4 GWh |
| #856 | Fairmont (MN) | Fairmont, MN | 7.9 GWh |
| #857 | Fort Greely Power Plant | Delta Jct, AK | 94.1 MWh |
| #858 | Salem Street Dept | Salem, VA | 94.0 MWh |
| #859 | Richland (OH) | Defiance, OH | 367.5 GWh |
| #860 | Merrimack | Bow, NH | 115.9 GWh |
| #861 | Baldwin City Plant No 2 | Baldwin City, KS | 122.0 MWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Lake (WY).
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ashton | Ashton, ID | 28.0 GWh | 51.3 mi |
| Buffalo Bill | Cody, WY | 57.5 GWh | 69.5 mi |
| BYUI Central Energy Facility | Rexburg, ID | 37.7 GWh | 72.9 mi |
| Chester Diversion Hydroelectric Project | Chester, ID | 6.9 GWh | 57 mi |
| Falls River Hydro | Ashton, ID | 43.2 GWh | 45.7 mi |
| Felt | Felt, ID | 24.2 GWh | 49.4 mi |
| Garland Canal Power Plant | Powell, WY | 10.0 GWh | 86.8 mi |
| Goshen Phase II | Idaho Falls, ID | 337.1 GWh | 90.7 mi |
| Heart Mountain | Cody, WY | 16.1 GWh | 71.5 mi |
| Horse Butte Wind I, LLC | Iona, ID | 158.0 GWh | 91.3 mi |
| Island Park | Island Park, ID | 9.7 GWh | 40.6 mi |
| Madison Dam | Ennis, MT | 75.6 GWh | 90.4 mi |
| Meadow Creek Project Company | Idaho Falls, ID | 292.3 GWh | 86.8 mi |
| Mystic | Fishtail, MT | 52.5 GWh | 68.7 mi |
| Old Faithful | Yellowstone, WY | 203.0 MWh | 13.1 mi |
| Palisades Dam | Palisades, ID | 657.3 GWh | 81 mi |
| Shoshone (WY) | Cody, WY | 17.1 GWh | 68.9 mi |
| South Dry Creek Hydro | Red Lodge, MT | 696.0 MWh | 88.1 mi |
| Spirit Mountain | Cody, WY | 16.1 GWh | 71.5 mi |
| Wolverine Creek | Idaho Falls, ID | 143.7 GWh | 92.9 mi |