140th largest plant in Arizona · 8991st nationally
Northwest Regional is a biomass power plant in Arizona with a nameplate capacity of 3.2 MW. It generates roughly 17.6k MWh per year — enough to power about 1,673 average U.S. homes.
Its capacity factor of 63% puts it in the middle range — running steadily but not full-time.
| Plant Name | Northwest Regional |
|---|---|
| Operator | Wm Renewable Energy Llc |
| City | Surprise |
| County | Maricopa County |
| State | Arizona |
| ZIP | 85387 |
| Coordinates | 33.68194, -112.47667 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Landfill Gas | Landfill Gas | 1.6 MW | Operating | 2012 |
| GEN2 | Landfill Gas | Landfill Gas | 1.6 MW | Operating | 2012 |
| SO₂ | 4 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 | WECC |
|---|---|
| Balancing Authority | Arizona Public Service Company |
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.