RockGen Energy Center
2346 Clearview Road, Cambridge, WI 53523Plant Summary Information
RockGen Energy Center is ranked #17 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 4.8 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | RockGen Energy Center |
|---|---|
| Utility Name | Dairyland Power Coop |
| Location | Dane County, WI |
| Initial Operation Date | June 2001 |
| Last Update | Mar 2025 |
| Annual Generation | 391.6 GWh |
| Annual Consumption | 4.5 M MMBtu |
| Ranked #1,565 out of 12,288 Power Plants Nationwide | |
| Ranked #598 out of 2,221 Natural Gas Power Plants Nationwide | |
| Ranked #17 out of 239 Wisconsin Power Plants | |
| Ranked #10 out of 52 Wisconsin Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Previous Operators |
Calpine -RockGen Energy (2013 to 2018) Rockgen Energy LLC (2019 to 2020) Dairyland Power Coop (2021 to 2024) |
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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 Mar 2025 |
| Initial Operation Date | June 2001 |
| Annual Generation | 391.6 GWh |
| Fuel Types | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| 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 |
|---|---|---|---|
| #588 | Wabash Valley Power IGCC | Terre Haute, IN | 432.3 GWh |
| #589 | Silver Creek | Prentiss, MS | 427.7 GWh |
| #590 | Indeck Corinth Energy Center | Corinth, NY | 422.3 GWh |
| #591 | Rio Bravo | Albuquerque, NM | 418.8 GWh |
| #592 | Nikiski Combined Cycle | Nikiski, AK | 414.8 GWh |
| #593 | Cheyenne Prairie Generating Station | Cheyenne, WY | 409.5 GWh |
| #594 | Primient | Lafayette, IN | 406.0 GWh |
| #595 | Power Station 4 | Texas City, TX | 401.4 GWh |
| #596 | Kennedy International Airport Cogen | Jamaica, NY | 398.6 GWh |
| #597 | Primient Loudon Plant | Loudon, TN | 393.6 GWh |
| #599 | Mulberry Cogeneration Facility | Bartow, FL | 388.0 GWh |
| #600 | Orange Cogeneration Facility | Bartow, FL | 387.5 GWh |
| #601 | Tulsa | Tulsa, OK | 384.5 GWh |
| #602 | Marsh Run Generation Facility | Remington, VA | 390.8 GWh |
| #603 | University of Florida | Gainesville, FL | 379.0 GWh |
| #604 | Gary Works | Gary, IN | 766.0 GWh |
| #605 | Trinidad (TX) | Trinidad, TX | 376.4 GWh |
| #606 | F.D. Kuester Generating Station | Negaunee, MI | 374.8 GWh |
| #607 | Formosa Plastics | Baton Rouge, LA | 369.6 GWh |
| #608 | Sundance | Casa Grande, AZ | 369.2 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 | 105.2 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 | 491.0 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 | 99.1 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 | 903.4 GWh | 18.2 mi |