132nd largest plant in Indiana · 7981st nationally
Twin Branch is a hydroelectric power plant in Indiana with a nameplate capacity of 4.8 MW. It generates roughly 18.2k MWh per year — enough to power about 1,736 average U.S. homes.
Its capacity factor of 43% puts it in the middle range — running steadily but not full-time.
| Plant Name | Twin Branch |
|---|---|
| Operator | Indiana Michigan Power Co |
| City | Mishawaka |
| County | St Joseph County |
| State | Indiana |
| ZIP | 46500 |
| Coordinates | 41.66500, -86.13220 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| H1E | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H1W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H2W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H3W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H4W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H5W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H6E | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| H6W | Conventional Hydroelectric | Water | 0.6 MW | Operating | 1989 |
| NERC Region | RFC |
|---|---|
| Balancing Authority | Pjm Interconnection, Llc |
Hydroelectric plants spin turbines using falling or flowing water — typically from a dam-impounded reservoir. They are dispatchable, long-lived, and emission-free at the point of generation, though large reservoirs can disrupt rivers and ecosystems and methane can be released from flooded vegetation.