Old Faithful
Old Faithful, Yellowstone, WY 82190Plant Summary Information
Old Faithful is ranked #6 out of 6 distillate fuel oil power plants in Wyoming in terms of total annual net electricity generation.
Old Faithful is comprised of 2 generators and generated 70.4 MWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Old Faithful |
|---|---|
| Utility Name | NorthWestern Energy (MT wind/thermal) |
| Location | Teton County, WY |
| Initial Operation Date | December 1979 |
| Last Update | Dec 2024 |
| Annual Generation | 273.0 MWh |
| Annual Consumption | 3.3 k MMBtu |
| Ranked #11,903 out of 12,613 Power Plants Nationwide | |
| Ranked #612 out of 1,238 Distillate Fuel Oil Power Plants Nationwide | |
| Ranked #71 out of 74 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 2024) |
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Monthly Net Generation for Old Faithful
Monthly Plant Fuel Consumption for Old Faithful
Old Faithful Details
| Summary Information | |
|---|---|
| Plant Name | Old Faithful (2196) |
| Plant Address | Old Faithful, Yellowstone, WY 82190 |
| Utility | NorthWestern Energy (MT wind/thermal) (56815) |
| Latitude, Longitude | 44.4533, -110.8347 |
| Generation Dates on File | Jan 2003 to Dec 2024 |
| Initial Operation Date | December 1979 |
| Annual Generation | 273.0 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 December 1979
| 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 | 1 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Standby |
| Synchronized To Transmission Grid | No |
|---|---|
| First Operation Date | December 1979 |
| 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 |
Generator 2 Details Standby December 1979
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 1 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Standby |
| Synchronized To Transmission Grid | No |
| First Operation Date | December 1979 |
|---|---|
| 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 |
Old Faithful Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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|---|---|---|---|
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| #606 | Versailles Peaking | Versailles, OH | 278.0 MWh |
| #607 | Kingman Municipal Power and Light Plant | Kingman, KS | 1.6 GWh |
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| #609 | Bucksport Generation LLC | Bucksport, ME | 11.2 GWh |
| #610 | Santa Rosa | Santa Rosa, TX | 275.0 MWh |
| #611 | Exelon Framingham LLC | Framingham, MA | 273.0 MWh |
| #613 | Galion | Galion, OH | 273.0 MWh |
| #614 | Rock Lake CT | Pine City, MN | 270.0 MWh |
| #615 | Vaquero | Harlingen, TX | 270.0 MWh |
| #616 | Glendive GT | Glendive, MT | 2.6 GWh |
| #617 | Villa Cavasos | Brownsville, TX | 269.0 MWh |
| #618 | Onancock Diesel Generation Facility | Onancock, VA | 264.0 MWh |
| #619 | Breese | Breese, IL | 263.0 MWh |
| #620 | Tolna | New Freedom, PA | 260.0 MWh |
| #621 | Richmond Generating Station | Phila., PA | 258.6 MWh |
| #622 | Laurens | Laurens, IA | 257.0 MWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Old Faithful.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ashton | Ashton, ID | 32.6 GWh | 41.8 mi |
| Buffalo Bill | Cody, WY | 66.2 GWh | 82.1 mi |
| BYUI Central Energy Facility | Rexburg, ID | 38.1 GWh | 64.5 mi |
| Chester Diversion Hydroelectric Project | Chester, ID | 7.8 GWh | 47.7 mi |
| City Power Plant | Idaho Falls, ID | 40.4 GWh | 89.7 mi |
| Falls River Hydro | Ashton, ID | 47.4 GWh | 37.4 mi |
| Felt | Felt, ID | 27.8 GWh | 43.4 mi |
| Goshen Phase II | Idaho Falls, ID | 369.2 GWh | 84.4 mi |
| Heart Mountain | Cody, WY | 21.0 GWh | 84.2 mi |
| Horse Butte Wind I, LLC | Iona, ID | 167.4 GWh | 86 mi |
| Island Park | Island Park, ID | 17.9 GWh | 27.8 mi |
| Lake (WY) | Yellowstone, WY | 515.0 MWh | 13.1 mi |
| Madison Dam | Ennis, MT | 76.2 GWh | 81.5 mi |
| Meadow Creek Project Company | Idaho Falls, ID | 325.0 GWh | 80.3 mi |
| Mystic | Fishtail, MT | 53.7 GWh | 74.9 mi |
| Palisades Dam | Palisades, ID | 744.4 GWh | 79.5 mi |
| Shoshone (WY) | Cody, WY | 17.6 GWh | 81.6 mi |
| Spirit Mountain | Cody, WY | 17.3 GWh | 84.1 mi |
| Upper Power Plant | Idaho Falls, ID | 44.9 GWh | 86.7 mi |
| Wolverine Creek | Idaho Falls, ID | 163.5 GWh | 86.9 mi |