How many power plants does Public Service Co of Oklahoma operate?

EIA-860M lists 13 operating plants against “Public Service Co of Oklahoma” for 2026-07, totalling 6 GW of nameplate capacity in 2 states.

Is Public Service Co of Oklahoma the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Public Service Co of Oklahoma power plants

Every generating plant EIA-860M files against Public Service Co of Oklahoma for 2026-07: 13 plants, 6 GW of nameplate capacity, across 2 states and 3 energy sources.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 13
Nameplate capacity: 6 GW
States: 2; KS, OK
Energy sources: 3

Public Service Co of Oklahoma plants by energy source

Natural gas7 plants · 4,913 MW
Solar1 plants · 189 MW
Wind5 plants · 929 MW

Full list of Public Service Co of Oklahoma power plants

Power plants operated by Public Service Co of Oklahoma

Northeastern4 technologies	Public Service Co of Oklahoma	Rogers	1,477.5	6	1961	Operating
Riverside (OK)3 technologies	Public Service Co of Oklahoma	Tulsa	1,121.7	5	1974	Operating
Green Country Power StationNatural Gas Fired Combined Cycle	Public Service Co of Oklahoma	Tulsa	903.9	6	2002	Operating
Southwestern3 technologies	Public Service Co of Oklahoma	Caddo	658	6	1952	Operating
Tulsa2 technologies	Public Service Co of Oklahoma	Tulsa	348.2	3	1956	Operating
Comanche (OK)2 technologies	Public Service Co of Oklahoma	Comanche	294	4	1962	Operating
Maverick Wind Project, LLCOnshore Wind Turbine	Public Service Co of Oklahoma	Major	288	1	2021	Operating
Sundance Wind Project, LLCOnshore Wind Turbine	Public Service Co of Oklahoma	Woods	199	1	2021	Operating
Pixley Solar EnergySolar Photovoltaic	Public Service Co of Oklahoma	Barber	189	1	2025	Operating
Rock Falls Wind Farm LLCOnshore Wind Turbine	Public Service Co of Oklahoma	Kay	154.5	1	2017	Operating
Flat Ridge 5Onshore Wind Turbine	Public Service Co of Oklahoma	Harper	153	1	2025	Operating
Flat Ridge 4Onshore Wind Turbine	Public Service Co of Oklahoma	Harper	134	1	2025	Operating
Weleetka2 technologies	Public Service Co of Oklahoma	Okfuskee	110	3	1963	Operating

Public Service Co of Oklahoma: FAQ

How many power plants does Public Service Co of Oklahoma operate?: EIA-860M lists 13 operating plants against “Public Service Co of Oklahoma” for 2026-07, totalling 6 GW of nameplate capacity in 2 states.
Is Public Service Co of Oklahoma the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.