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Rumble SolarUnder construction

Grady County, Oklahoma · EIA plant ID 69968 · Operator: Rumble Solar, LLC
SolarSPPBA: SWPP

250 MW under construction (Solar Photovoltaic), first expected Oct 2026 · EIA-860M

Nameplate—MWSummer — MW
Generators0in service · 250 MW building
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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
RUSSolar PhotovoltaicPV250250planned Oct 2026Under construction—coming soon

Owner / operator

Operator: Rumble Solar, 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.
Minco Wind I, LLC99 MW6.6 km
Minco Wind II, LLC101 MW7.6 km
Minco II Energy Storage65 MW9.6 km
Redbed Plains Wind Farm99 MW13.4 km
Tuttle4 MW15.2 km
Minco Wind III, LLC101 MW18 km