170th largest plant in Wisconsin · 9135th nationally
Ameresco Janesville is a biomass power plant in Wisconsin with a nameplate capacity of 3.0 MW. It generates roughly 9.0k MWh per year — enough to power about 860 average U.S. homes.
Its capacity factor of 34% reflects intermittent or peaking operation.
| Plant Name | Ameresco Janesville |
|---|---|
| Operator | Ameresco Janesville Llc |
| City | Janesville |
| County | Rock County |
| State | Wisconsin |
| ZIP | 53545 |
| Coordinates | 42.70830, -89.02080 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| Unit1 | Landfill Gas | Landfill Gas | 1.0 MW | Operating | 2004 |
| Unit2 | Landfill Gas | Landfill Gas | 1.0 MW | Operating | 2004 |
| Unit3 | Landfill Gas | Landfill Gas | 1.0 MW | Operating | 2004 |
| SO₂ | 2 metric tons |
|---|
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| NERC Region | MRO |
|---|---|
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. |
Biomass plants burn wood, agricultural waste, or methane from landfills to generate steam and electricity. They are considered carbon-neutral over long timescales when fuel is sustainably sourced, but they produce particulate emissions similar to coal.