How many power plants does Tucson Electric Power operate?

EIA-860M lists 11 operating plants against “Tucson Electric Power Co” for 2026-07, totalling 3 GW of nameplate capacity in 2 states.

Is Tucson Electric Power 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.

Tucson Electric Power plants

Every generating plant EIA-860M files against Tucson Electric Power for 2026-07: 11 plants, 3 GW of nameplate capacity, across 2 states and 5 energy sources.

EIA files this entity as “Tucson Electric Power Co”.

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: 11
Nameplate capacity: 3 GW
States: 2; AZ, NM
Energy sources: 5

Tucson Electric Power plants by energy source

Battery2 plants · 400 MW
Coal1 plants · 1,779 MW
Natural gas3 plants · 722 MW
Solar4 plants · 36 MW
Wind1 plants · 250 MW

Full list of Tucson Electric Power plants

Power plants operated by Tucson Electric Power Co

Springerville2 technologies	Tucson Electric Power Co	Apache	1,779.2	7	1985	Operating
H Wilson Sundt Generating Station3 technologies	Tucson Electric Power Co	Pima	528.9	14	1962	Operating
Oso Grande Wind FarmOnshore Wind Turbine	Tucson Electric Power Co	Lea	249.8	2	2021	Operating
Roadrunner Reserve Phase 1Batteries	Tucson Electric Power Co	Pima	200	1	2025	Operating
Roadrunner Reserve Phase 2Batteries	Tucson Electric Power Co	Pima	200	1	2026	Operating
North LoopNatural Gas Fired Combustion Turbine	Tucson Electric Power Co	Pima	107.8	4	1972	Operating
Demoss PetrieNatural Gas Fired Combustion Turbine	Tucson Electric Power Co	Pima	85	1	2001	Operating
Fort Huachuca Solar PV ProjectSolar Photovoltaic	Tucson Electric Power Co	Cochise	17.7	2	2014	Operating
Raptor RidgeSolar Photovoltaic	Tucson Electric Power Co	Pima	12.5	1	2022	Operating
Prairie FireSolar Photovoltaic	Tucson Electric Power Co	Pima	4.5	1	2012	Operating
UASTP ISolar Photovoltaic	Tucson Electric Power Co	Pima	1.2	1	2010	Operating

Tucson Electric Power: FAQ

How many power plants does Tucson Electric Power operate?: EIA-860M lists 11 operating plants against “Tucson Electric Power Co” for 2026-07, totalling 3 GW of nameplate capacity in 2 states.
Is Tucson Electric Power 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.