150th largest plant in Illinois · 5099th nationally
South Main Street is a oil power plant in Illinois with a nameplate capacity of 15.8 MW. It generates roughly 667 MWh per year — enough to power about 63 average U.S. homes.
Its capacity factor of 0% reflects intermittent or peaking operation. At 1474 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
| Plant Name | South Main Street |
|---|---|
| Operator | Rochelle Municipal Utilities |
| City | Rochelle |
| County | Ogle County |
| State | Illinois |
| ZIP | 61068 |
| Coordinates | 41.90920, -89.05040 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| S1 | Natural Gas Steam Turbine | Natural Gas | 11.5 MW | Retired | 1962 |
| 1 | Natural Gas Internal Combustion Engine | Natural Gas | 2.5 MW | Standby | 1967 |
| 2 | Natural Gas Internal Combustion Engine | Natural Gas | 2.5 MW | Standby | 1967 |
| 13 | Petroleum Liquids | Distillate Oil | 1.8 MW | Standby | 2014 |
| 14 | Petroleum Liquids | Distillate Oil | 1.8 MW | Standby | 2014 |
| 15 | Petroleum Liquids | Distillate Oil | 1.8 MW | Standby | 2014 |
| 16 | Petroleum Liquids | Distillate Oil | 1.8 MW | Operating | 2016 |
| 17 | Petroleum Liquids | Distillate Oil | 1.8 MW | Operating | 2016 |
| 18 | Petroleum Liquids | Distillate Oil | 1.8 MW | Operating | 2016 |
| CO₂ | 492 metric tons |
|---|---|
| SO₂ | 1 metric tons |
| NOₓ | 11 metric tons |
| CO₂ Rate | 1474 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 | RFC |
|---|---|
| Balancing Authority | Pjm Interconnection, Llc |
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.