RockGen Energy Center reports 561 MW natural gas in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 55391 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 01 | Natural Gas Fired Combustion Turbine | Operating | 187 | Unknown |
| 02 | Natural Gas Fired Combustion Turbine | Operating | 187 | Unknown |
| 03 | Natural Gas Fired Combustion Turbine | Operating | 187 | Unknown |
Mapped infrastructure geometry associated with this asset.
Similar plants ranked by technology, capacity, and distance.
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 01 | 187 MW 163 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| 02 | 187 MW 163 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| 03 | 187 MW 163 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| RockGen Energy CenterCurrent | 561 MW | WI | |
| John P Madgett | 387 MW | WI | |
| Elk Mound | 71 MW | WI | |
| Flambeau Hydroelectric Station | 19.1 MW | WI |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioProject milestones and public references behind the asset profile.
EIA-860 lists generator 01, generator 02, generator 03 with this operating date.
Purchase from a Starwood Energy affiliate.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
RockGen Energy Center reports 561 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
RockGen Energy Center is a Natural Gas Fired Combustion Turbine facility in Dane County, WI, participating in the MISO market.
RockGen Energy Center is in Dane County, WI, inside the MISO balancing area.
RockGen Energy Center is operated by Dairyland Power Coop according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
RockGen Energy Center reported 619.4 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, RockGen Energy Center ranks #77 of 829 operating plants of the same technology nationally. It ranks #1 of 22 in WI.
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.
