87th largest plant in Louisiana · 8126th nationally
Neptune Gas Processing Plant is a other fossil power plant in Louisiana with a nameplate capacity of 4.5 MW. It generates roughly 11.3k MWh per year — enough to power about 1,074 average U.S. homes.
Its capacity factor of 29% reflects intermittent or peaking operation. At 684 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.
| Plant Name | Neptune Gas Processing Plant |
|---|---|
| Operator | Enterprise Products Optg Lp |
| City | Centerville |
| County | St Mary County |
| State | Louisiana |
| ZIP | 70522 |
| Coordinates | 29.73360, -91.44310 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| NPCG | All Other | Other | 4.5 MW | Operating | 2004 |
| CO₂ | 3.9k metric tons |
|---|---|
| NOₓ | 11 metric tons |
| CO₂ Rate | 684 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 | Midcontinent Independent Transmission System Operator, Inc.. |
Neptune Gas Processing Plant is a federally registered power generation facility in Louisiana.