Noble Solar
Denton County, Texas · EIA plant ID 65271 · Operator: Geronimo Energy
Nameplate400MWSummer 400 MW
Generators2in service
Net generation484GWh12 mo to Aug 2026
Capacity factor20%solar units, summer MW
Heat rate—thermal plants only
First online2022
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), solar units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2022 | 122.1 | 15.4% | — |
| 2023 | 579.6 | 24.2% | — |
| 2024 | 583.5 | 24.2% | — |
| 2025 | 528.1 | 22.0% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| NBSLR | Solar Photovoltaic | PV | 275 | 275 | Sep 2022 | Operating | — | coming soon |
| NBSTG | Batteries | BA | 125 | 125 | Oct 2022 | Operating | — | coming soon |
Owner / operator
Operator: Geronimo Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Geronimo Energy | 100.0% | 400 MW |
Nearby plants
Within 80 km.
| Denton Energy Center | 226 MW | 5.8 km |
| TX10 Hummingbird Storage | 100 MW | 10.1 km |
| BKV-BPP Ponder Solar | 3 MW | 11.9 km |
| Porter Solar, LLC (TX) | 245 MW | 13.4 km |
| Spencer | 127 MW | 14.2 km |
| Denton Power LLC | retired | 16.9 km |