53rd largest plant in Missouri · 3498th nationally
Unionville is a oil power plant in Missouri with a nameplate capacity of 53.2 MW. It generates roughly 240 MWh per year — enough to power about 22 average U.S. homes.
Its capacity factor of 0% reflects intermittent or peaking operation. At 2129 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
| Plant Name | Unionville |
|---|---|
| Operator | Associated Electric Coop, Inc |
| City | Unionville |
| County | Putnam County |
| State | Missouri |
| ZIP | 63565 |
| Coordinates | 40.45934, -93.02183 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1 | Petroleum Liquids | Distillate Oil | 26.6 MW | Operating | 1976 |
| 2 | Petroleum Liquids | Distillate Oil | 26.6 MW | Operating | 1976 |
| CO₂ | 256 metric tons |
|---|---|
| SO₂ | 1 metric tons |
| NOₓ | 1 metric tons |
| CO₂ Rate | 2129 lb/MWh |
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 | SERC |
|---|---|
| Balancing Authority | Associated Electric Cooperative, Inc. |
Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.