Grid operator · Company
American Transmission Co
American Transmission Co is the grid operator for 27 power plants in the United States, with 15,444 MW of capacity connected.
On its grid
The 27 assets connected to the grid of American Transmission Co. It is their grid operator, not their owner.
- Power plants27 · 15,444 MW connected
Power plants 27 · 15,444 MW connected
| Power plant | Location | Role | Capacity |
|---|---|---|---|
| Elm Road Generating Station | Wisconsin, United States | Grid operator | 1,403 MW |
| Point Beach Nuclear Plant | Wisconsin, United States | Grid operator | 1,311 MW |
| Pleasant Prairie | Wisconsin, United States | Grid operator | 1,235 MW |
| Port Washington Generating Station | Wisconsin, United States | Grid operator | 1,230 MW |
| Vista Sands Solar | Wisconsin, United States | Grid operator | 1,182 MW |
| Columbia (WI) | Wisconsin, United States | Grid operator | 1,112 MW |
| Weston | Wisconsin, United States | Grid operator | 946 MW |
| West Riverside Energy Center | Wisconsin, United States | Grid operator | 728 MW |
| Riverside Energy Center | Wisconsin, United States | Grid operator | 675 MW |
| South Oak Creek | Wisconsin, United States | Grid operator | 642 MW |
| Presque Isle | Michigan, United States | Grid operator | 625 MW |
| Fox Energy Center | Wisconsin, United States | Grid operator | 619 MW |
| RockGen Energy Center | Wisconsin, United States | Grid operator | 561 MW |
| Dawn Break Solar | Wisconsin, United States | Grid operator | 360 MW |
| Foundry Ridge Energy Center LLC | Wisconsin, United States | Grid operator | 324 MW |
| Rock River | Wisconsin, United States | Grid operator | 319 MW |
| High Noon Solar Energy LLC | Wisconsin, United States | Grid operator | 300 MW |
| Koshkonong Solar Energy Center LLC | Wisconsin, United States | Grid operator | 300 MW |
| Oak Valley Solar | Texas, United States | Grid operator | 251 MW |
| Portage Solar, LLC | Wisconsin, United States | Grid operator | 250 MW |
| Emerald Bluffs Solar Park | Wisconsin, United States | Grid operator | 225 MW |
| Ursa Solar, LLC | Wisconsin, United States | Grid operator | 200 MW |
| Superior Solar Project, LLC | Michigan, United States | Grid operator | 150 MW |
| Badger State Solar LLC | Wisconsin, United States | Grid operator | 149 MW |
| Kelso 2 Solar | Missouri, United States | Grid operator | 149 MW |
| Renegade Solar Energy LLC | Michigan, United States | Grid operator | 100 MW |
| Sinnissippi Solar Energy LLC | Wisconsin, United States | Grid operator | 100 MW |
By country
Where the assets and rights are.
- The United States27 power plants
Partners and counterparties
Owners, operators and grid operators on the same assets.
- Wisconsin Electric Power Co6 shared
- Invenergy Services LLC5 shared
- Wisconsin Power & Light Co4 shared
- Madison Gas & Electric Co3 shared
- Wisconsin Public Service Corporation3 shared
- Dairyland Power Coop2 shared
- We Power2 shared
- Adams-Columbia Electric Coop1 shared
- Badger State Solar LLC1 shared
- Central Wisconsin Elec Coop1 shared
- Dawn Break Solar, LLC1 shared
- Emerald Bluffs Solar Park LLC1 shared
Research on American Transmission Co.Who owns the assets on its grid, where it has capacity left and how long its queue is, and an introduction to the people who decide on connections.
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- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.