Dave Johnston
1951 Tank Farm Road, Glen Rock, WY 82637Plant Summary Information
Dave Johnston is ranked #34 out of 126 coal plants nationwide in terms of total annual net electricity generation.
Dave Johnston is comprised of 4 generators and generated 1.2 TWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Dave Johnston |
|---|---|
| Utility Name | PacifiCorp |
| Location | Converse County, WY |
| Initial Operation Date | February 1959 |
| Last Update | Sep 2025 |
| Annual Generation | 4.6 TWh |
| Annual Consumption | 57.2 M MMBtu |
| Ranked #247 out of 12,539 Power Plants Nationwide | |
| Ranked #34 out of 126 Subbituminous Coal Power Plants Nationwide | |
| Ranked #3 out of 73 Wyoming Power Plants | |
| Ranked #3 out of 11 Wyoming Subbituminous Coal Power Plants | |
| Fuel Types | Subbituminous Coal : 99.9% |
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Monthly Net Generation for Dave Johnston
Dave Johnston Details
| Summary Information | |
|---|---|
| Plant Name | Dave Johnston (4158) |
| Plant Address | 1951 Tank Farm Road, Glen Rock, WY 82637 |
| Utility | PacifiCorp (14354) |
| Latitude, Longitude | 42.8378, -105.7769 |
| Generation Dates on File | Jan 2001 to Sep 2025 |
| Initial Operation Date | February 1959 |
| Annual Generation | 4.6 TWh |
| Fuel Types | Subbituminous Coal : 99.9% |
| 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 | PacifiCorp - East (PACE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | North Platte River |
| Ash Impoundment | Yes Lined Operating |
| Transmission / Distribution Owner | PacifiCorp (14354) WY |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 1 Details Operating February 1959
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 113.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 93 MW |
| Winter Capacity | 99 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | February 1959 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal / Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Other Planned Modifications | No |
| Multiple Fuels | Yes |
Generator 2 Details Operating January 1961
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 113.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 102 MW |
| Winter Capacity | 106 MW |
| Minimum Load | 45 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1961 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal / Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Other Planned Modifications | No |
| Multiple Fuels | Yes |
Generator 3 Details Operating December 1964
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 229.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 220 MW |
| Winter Capacity | 220 MW |
| Minimum Load | 100 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1964 |
| Planned Retirement | December 2027 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal / Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Multiple Fuels | Yes |
Generator 4 Details Operating July 1972
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 360 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 330 MW |
| Winter Capacity | 330 MW |
| Minimum Load | 125 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1972 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal / Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Multiple Fuels | Yes |
Dave Johnston Plant Owners
| Owner Name | Address | Generator | 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 Subbituminous Coal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #24 | Walter Scott Jr Energy Center | Council Bluffs, IA | 5.8 TWh |
| #25 | Clay Boswell | Cohasset, MN | 5.6 TWh |
| #26 | Independence Steam Electric Station | Newark, AR | 5.5 TWh |
| #27 | Thomas Hill | Clifton Hill, MO | 6.3 TWh |
| #28 | Iatan | Weston, MO | 5.3 TWh |
| #29 | Comanche (CO) | Pueblo, CO | 5.4 TWh |
| #30 | Springerville | Springerville, AZ | 5.2 TWh |
| #31 | New Madrid | New Madrid, MO | 6.6 TWh |
| #32 | Jim Bridger | Point of Rocks, WY | 8.0 TWh |
| #33 | Weston | Rothschild, WI | 4.6 TWh |
| #35 | Gallatin (TN) | Gallatin, TN | 4.5 TWh |
| #36 | Plum Point Energy Station | Osceola, AR | 4.2 TWh |
| #37 | Louisa | Muscatine, IA | 4.2 TWh |
| #38 | Welsh | Pittsburg, TX | 4.1 TWh |
| #39 | Craig (CO) | Craig, CO | 3.9 TWh |
| #40 | Newton | Newton, IL | 3.6 TWh |
| #41 | Transalta Centralia Generation | Centralia, WA | 3.3 TWh |
| #42 | Sandy Creek Energy Station | Riesel, TX | 3.2 TWh |
| #43 | White Bluff | Redfield, AR | 3.1 TWh |
| #44 | Sioux | West Alton, MO | 4.1 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Dave Johnston.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alcova | Alcova, WY | 119.2 GWh | 51.8 mi |
| Anticline Wind | Casper, WY | 274.8 GWh | 35.8 mi |
| Barber Creek | Gillette, WY | 273.0 MWh | 61.1 mi |
| Boswell Wind | Rock River, WY | 873.9 GWh | 63.7 mi |
| Campbell Hill Windpower | Glenrock, WY | 263.4 GWh | 16.6 mi |
| Casper Wind Farm | Evansville, WY | 5.7 GWh | 22.7 mi |
| Cedar Springs I | Douglas, WY | 692.7 GWh | 19.9 mi |
| Cedar Springs II | Douglas, WY | 611.5 GWh | 22.7 mi |
| Cedar Springs III | Douglas, WY | 483.8 GWh | 19.2 mi |
| Cedar Springs Wind IV | Douglas, WY | 683.4 GWh | 18.5 mi |
| Dunlap | Medicine Bow, WY | 366.5 GWh | 58.3 mi |
| Fremont Canyon | Alcova, WY | 227.7 GWh | 57.5 mi |
| Glendo | Glendo, WY | 87.7 GWh | 49 mi |
| Glenrock | Glenrock, WY | 401.0 GWh | 12.8 mi |
| Guernsey | Guernsey, WY | 18.0 GWh | 64.1 mi |
| Laramie River Station | Wheatland, WY | 8.5 TWh | 67.9 mi |
| Pioneer Wind Park, LLC | Glenrock, WY | 273.0 GWh | 8.8 mi |
| Rolling Hills | Glenrock, WY | 244.8 GWh | 15.7 mi |
| TB Flats | Medicine Bow, WY | 1.3 TWh | 51.2 mi |
| Top of the World Windpower Project | Glenrock, WY | 461.0 GWh | 6.1 mi |