NRG Rockford II Energy Center is a 168 MW natural-gas-fired combustion-turbine power plant located at 136 Harrison Avenue in Rockford, Winnebago County, Illinois. Rockford Generation LLC is the plant-level owner and operator entity. NRG Energy, Inc.
Canonical EIA plant baseline.
plant-55936
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GT3 | 168 MW 180.7 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2002 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Project milestones and public references behind the asset profile.
Construction of Rockford II Unit 21 commenced in the fall of 2001.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| NRG Rockford I | 316 MW | IL | |
| NRG Rockford II Energy CenterCurrent | 168 MW | IL |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioEIA-860 lists generator GT3 with this operating date.
Rockford II Unit 21, a 171 MW simple-cycle natural-gas-fired Siemens Westinghouse V84.3A2 combustion-turbine generator, began commercial operations.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
NRG Rockford II Energy Center has a reported capacity of 168 MW. Source: EIA Form 860M.
NRG Rockford II Energy Center is a Natural Gas Fired Combustion Turbine facility in Winnebago County, IL, participating in the PJM market.
NRG Rockford II Energy Center is in Winnebago County, IL, inside the PJM balancing area.
NRG Rockford II Energy Center is operated by Rockford Generation LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
NRG Rockford II Energy Center reported 64.6 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, NRG Rockford II Energy Center ranks #287 of 825 operating plants of the same technology nationally. It ranks #23 of 37 in IL.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
