RockGen Energy Center
2346 Clearview Road, Cambridge, WI 53523Plant Summary Information
RockGen Energy Center is ranked #15 out of 239 power plants in Wisconsin in terms of total annual net electricity generation.
RockGen Energy Center is comprised of 3 generators and generated 115.6 GWh during the 3-month period between August 2025 to November 2025.
| Plant Name | RockGen Energy Center |
|---|---|
| Utility Name | Dairyland Power Coop |
| Location | Dane County, WI |
| Initial Operation Date | June 2001 |
| Last Update | Nov 2025 |
| Annual Generation | 511.5 GWh |
| Annual Consumption | 6.7 M MMBtu |
| Ranked #1,318 out of 12,574 Power Plants Nationwide | |
| Ranked #552 out of 2,244 Natural Gas Power Plants Nationwide | |
| Ranked #15 out of 239 Wisconsin Power Plants | |
| Ranked #8 out of 52 Wisconsin Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Previous Operators |
Calpine -RockGen Energy (2013 to 2018) Rockgen Energy LLC (2019 to 2020) Dairyland Power Coop (2021 to 2024) |
Map of RockGen Energy Center
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for RockGen Energy Center.
Monthly Net Generation for RockGen Energy Center
RockGen Energy Center Details
| Summary Information | |
|---|---|
| Plant Name | RockGen Energy Center (55391) |
| Plant Address | 2346 Clearview Road, Cambridge, WI 53523 |
| Utility | Dairyland Power Coop (4716) |
| Latitude, Longitude | 42.9767, -89.0492 |
| Generation Dates on File | Jun 2001 to Nov 2025 |
| Initial Operation Date | June 2001 |
| Annual Generation | 511.5 GWh |
| Fuel Types | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | 99-48-00 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | American Transmission Co (659) WI |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | ANR PIPELINE COMPANY |
| Natural Gas Storage | No |
Generator 01 Details Operating June 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 187 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 163 MW |
| Winter Capacity | 163 MW |
| Minimum Load | 102 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2001 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 155 MW |
| Net Winter Capacity With Natural Gas | 162 MW |
| Net Summer Capacity With Oil | 155 MW |
| Net Winter Capacity With Oil | 162 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator 02 Details Operating June 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 187 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 163 MW |
| Winter Capacity | 163 MW |
| Minimum Load | 102 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2001 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 155 MW |
| Net Winter Capacity With Natural Gas | 162 MW |
| Net Summer Capacity With Oil | 155 MW |
| Net Winter Capacity With Oil | 162 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator 03 Details Operating June 2001
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 187 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 163 MW |
| Winter Capacity | 163 MW |
| Minimum Load | 102 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2001 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 155 MW |
| Net Winter Capacity With Natural Gas | 162 MW |
| Net Summer Capacity With Oil | 155 MW |
| Net Winter Capacity With Oil | 162 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
RockGen Energy Center 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 Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #542 | Frontier | Oklahoma City, OK | 553.7 GWh |
| #543 | Roseton Generating Facility | Newsburgh, NY | 610.9 GWh |
| #544 | Sayreville Cogeneration Facility | Sayreville, NJ | 534.8 GWh |
| #545 | BASF Freeport Works | Feeeport, TX | 532.7 GWh |
| #546 | Dighton Power Plant | Dighton, MA | 531.1 GWh |
| #547 | Sewell Creek Energy | Cedartown, GA | 522.9 GWh |
| #548 | Dave Gates Generating Station | Anaconda, MT | 519.1 GWh |
| #549 | Louisa Generation Facility | Gordonsville, VA | 520.8 GWh |
| #550 | Maddox | Hobbs, NM | 515.0 GWh |
| #551 | Shute Creek Facility | Kemmerer, WY | 869.6 GWh |
| #553 | Darby Power, LLC | Mt Sterling, OH | 510.4 GWh |
| #554 | Roseville Energy Park | Roseville, CA | 504.4 GWh |
| #555 | Remy Jade Power Station | Crosby, TX | 502.0 GWh |
| #556 | West Gardner | Johnson, KS | 502.0 GWh |
| #557 | Comanche (OK) | Lawton, OK | 500.6 GWh |
| #558 | Alpine Power Plant | Elmira, MI | 498.5 GWh |
| #559 | Talbot County Energy | Box Springs, GA | 494.2 GWh |
| #560 | Cheyenne Prairie Generating Station | Cheyenne, WY | 490.3 GWh |
| #561 | Oleander Power Project LP | Cocoa, FL | 488.9 GWh |
| #562 | Pensacola Florida Plant | Cantonment, FL | 487.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding RockGen Energy Center.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ameresco Janesville | Janesville, WI | 9.1 GWh | 18.6 mi |
| Blount Street | Madison, WI | 48.8 GWh | 17.9 mi |
| Crawfish River | Jefferson, WI | 130.9 GWh | 8.9 mi |
| Dane County Airport Solar | Madison, WI | 17.7 GWh | 19 mi |
| Dane County Solar LLC | Cottage Grove, WI | 33.2 GWh | 10.8 mi |
| Deertrack Park Gas Recovery | Watertown, WI | 37.0 GWh | 17.5 mi |
| Diesel Generators | Madison, WI | 861.0 MWh | 17.9 mi |
| Fitchburg | Madison, WI | 14.0 MWh | 20.9 mi |
| Galactic Wind | Waunakee, WI | 22.0 GWh | 16.7 mi |
| Hackbarth Solar WI, LLC | Fort Atkinson, WI | 30.0 MWh | 10.7 mi |
| Hermsdorf Solar | Madison, WI | 14.8 GWh | 12.1 mi |
| Jefferson Solar Park | Jefferson, WI | 918.0 MWh | 12.9 mi |
| Jones Dairy | Fort Atkinson, WI | 3.7 GWh | 10.9 mi |
| Nine Springs | Madison, WI | 82.0 MWh | 16.2 mi |
| North Rock | Edgerton, WI | 100.1 GWh | 11.8 mi |
| O'Brien Solar Fields | Fitchburg, WI | 38.5 GWh | 20.8 mi |
| Sycamore (WI) | Madison, WI | 19.0 MWh | 16.3 mi |
| Tyto Solar | Fitchburg, WI | 10.8 GWh | 16.6 mi |
| West Campus Cogeneration Facility | Madison, WI | 282.0 GWh | 20.2 mi |
| Whitewater Generating Station | Whitewater, WI | 863.1 GWh | 18.2 mi |