Fortis — Power Plant Portfolio

18 plants · 4.7 GW total capacity · across 2 states

Fortis operates 18 power plants across 2 states with 4.7 GW total capacity. Their fleet is primarily natural gas (7 plants).

Largest is Springerville (1779 MW Sub. Coal); oldest active is H Wilson Sundt Generating Station (1962); newest is Roadrunner Reserve Phase 1 (2025); top state is Arizona (17 plants).

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Key Stats

Largest fuel
Natural Gas (7 plants)
Largest state
Arizona (17 plants)
Subsidiary operators
Tucson Electric Power Co (11)UNS Electric, Inc (5)Salt River Project (2)

Plants by State

Arizona (17 plants · 4.4 GW)

New Mexico (1 plants · 250 MW)

Plants by Fuel Type

Natural Gas (7 plants · 2.2 GW)

Solar (7 plants · 47 MW)

Battery Storage (2 plants · 400 MW)

Coal (1 plants · 1.8 GW)

Wind (1 plants · 250 MW)

Queue Projects (1 projects)

Developer name contains “Fortis”