Mystic Springs Renewable Energy (Hybrid)Planned
Kaufman County, Texas · EIA plant ID 67987 · Operator: vesper energy development llc
500 MW planned (Batteries, Solar Photovoltaic), first expected Mar 2028 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
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.
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 |
|---|---|---|---|---|---|---|---|---|
| MYSPB | Batteries | BA | 250 | 250 | planned Mar 2028 | Planned | — | coming soon |
| MYSPS | Solar Photovoltaic | PV | 250 | 250 | planned Mar 2028 | Planned | — | coming soon |
Owner / operator
Operator: vesper energy development llc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Ables Springs Solar & Storage | 100 MW | 0.6 km |
| BT Signal Ranch | 50 MW | 20.8 km |
| TE Smith Storage | 125 MW | 22.2 km |
| Cunningham Storage | 190 MW | 23 km |
| Wigeon Whistle Battery Storage Plant | 120 MW | 28 km |
| Forney Energy Center | 1,894 MW | 29.1 km |