836th largest plant in Texas · 12336th nationally
Wal3390 is a natural gas power plant in Texas with a nameplate capacity of 1.2 MW. It generates roughly 361 MWh per year — enough to power about 34 average U.S. homes.
Its capacity factor of 3% reflects intermittent or peaking operation. At 1738 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
| Plant Name | Wal3390 |
|---|---|
| Operator | Walmart Stores Texas, Llc |
| City | The Woodlands |
| County | Montgomery County |
| State | Texas |
| ZIP | 77382 |
| Coordinates | 30.19028, -95.58949 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Natural Gas Internal Combustion Engine | Natural Gas | 0.4 MW | Operating | 2020 |
| GEN2 | Natural Gas Internal Combustion Engine | Natural Gas | 0.4 MW | Operating | 2020 |
| GEN3 | Natural Gas Internal Combustion Engine | Natural Gas | 0.4 MW | Operating | 2020 |
| CO₂ | 314 metric tons |
|---|---|
| NOₓ | 6 metric tons |
| CO₂ Rate | 1738 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 | TRE |
|---|---|
| Balancing Authority | Electric Reliability Council Of Texas, Inc. |
Natural gas plants are the workhorse of the modern grid. Combined-cycle units achieve very high efficiency and can ramp up and down quickly to balance variable renewables. They emit roughly half the CO₂ per MWh of coal and far less of other pollutants, but they still release upstream methane during fuel extraction.