Southwestern Public Service Co — Operated Plants

12 plants · 5.7 GW total capacity · across 2 states

Southwestern Public Service Co operates 12 power plants with 5.7 GW total capacity. Primarily natural gas (6 plants, 3.3 GW). Parent organization: Xcel Energy.

Largest is Tolk (1136 MW Sub. Coal); oldest active is Nichols (1960); newest is Sagamore Wind (2020); top state is Texas (7 plants).