Hallmark is a solar power plant in Texas.
| Plant Name | Hallmark |
|---|---|
| Operator | Luminant Generation Company Llc |
| City | Greenville |
| County | Hunt County |
| State | Texas |
| ZIP | 75401 |
| Coordinates | 33.18000, -96.09723 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| UNIT1 | Solar Photovoltaic | Solar | 42.0 MW | Cancelled | — |
| NERC Region | TRE |
|---|---|
| Balancing Authority | Electric Reliability Council Of Texas, Inc. |
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.