NRG Rockford II Energy Center
136 Harrison Ave, Rockford, IL 61104Plant Summary Information
NRG Rockford II Energy Center is ranked #29 out of 67 natural gas power plants in Illinois in terms of total annual net electricity generation.
NRG Rockford II Energy Center is comprised of 1 generator and generated 12.4 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | NRG Rockford II Energy Center |
|---|---|
| Utility Name | Rockford Generation LLC |
| Location | Winnebago County, IL |
| Initial Operation Date | June 2002 |
| Last Update | Dec 2025 |
| Annual Generation | 56.1 GWh |
| Annual Consumption | 599.9 k MMBtu |
| Ranked #4,132 out of 13,301 Power Plants Nationwide | |
| Ranked #1,065 out of 2,218 Natural Gas Power Plants Nationwide | |
| Ranked #126 out of 542 Illinois Power Plants | |
| Ranked #29 out of 67 Illinois Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
Indeck Operations Inc (2013 to 2015) Rockford Generation LLC (2016 to 2025) |
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Monthly Net Generation for NRG Rockford II Energy Center
Monthly Plant Fuel Consumption for NRG Rockford II Energy Center
NRG Rockford II Energy Center Details
| Summary Information | |
|---|---|
| Plant Name | NRG Rockford II Energy Center (55936) |
| Plant Address | 136 Harrison Ave, Rockford, IL 61104 |
| Utility | Rockford Generation LLC (60504) |
| Latitude, Longitude | 42.2383, -89.1011 |
| Generation Dates on File | Apr 2003 to Dec 2025 |
| Initial Operation Date | June 2002 |
| Annual Generation | 56.1 GWh |
| Fuel Types | Natural Gas |
| 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 | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Commonwealth Edison Co (4110) IL |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Local Distribution Company (LDC) | Other - See pipeline notes. |
| Pipeline Notes | Northern Illinois Gas Corporation (NICOR) |
| Natural Gas Storage | No |
Generator GT3 Details Operating June 2002
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 168 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 180.7 MW |
| Winter Capacity | 188 MW |
| Minimum Load | 115 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 2002 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
NRG Rockford II Energy Center Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Nearby Power Plants
Below are closest 20 power plants surrounding NRG Rockford II Energy Center.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES Bend Solar I, LLC CSG | Rockford, IL | 369.0 MWh | 6.8 mi |
| AES Bend Solar II, LLC CSG | Rockford, IL | 609.0 MWh | 6.9 mi |
| Byron Generating Station | Byron, IL | 19.7 TWh | 14.6 mi |
| CED Hilltop Solar | Rockford, IL | 4.3 GWh | 8.5 mi |
| Heinsohn Solar 1, LLC | Kirkland, IL | 1.6 GWh | 15.6 mi |
| Heinsohn Solar 1A, LLC | Kirkland, IL | 1.7 GWh | 15.5 mi |
| Kish CSG | Cherry Valley, IL | 4.1 GWh | 9.4 mi |
| Kishwaukee CHP Plant | Rockford, IL | 8.3 GWh | 1.2 mi |
| Machesney Park | Machesney Park, IL | 3.5 GWh | 10.8 mi |
| NRG Rockford I | Rockford, IL | 106.5 GWh | 0 mi |
| Poplar Grove Solar 2, LLC | Caledonia, IL | 4.6 GWh | 15.6 mi |
| Rock Cut Solar | Rockford, IL | 2.3 GWh | 4.2 mi |
| Rockford CS 1 | Rockford, IL | 4.2 GWh | 4.4 mi |
| Rockford CS 2 | Rockford, IL | 4.1 GWh | 4.4 mi |
| Rockford CSG | Rockford, IL | 4.1 GWh | 6 mi |
| Rockford Plant | Rockford, IL | 2.8 GWh | 3.8 mi |
| Rockford Solar | Rockford, IL | 3.5 GWh | 3.2 mi |
| Rockford Solar Farm | Rockford, IL | 3.9 GWh | 4.4 mi |
| Rockton | Rockton, IL | 6.5 GWh | 14.8 mi |
| Slidematic at Rockford | Rockford, IL | 3.3 GWh | 2.6 mi |