Owner profile

Southwestern Public Service Co

Part of Xcel Energy →

Southwestern Public Service Co owns or operates 15 generating facilities commissioned between 1951 and 2020, with a combined nameplate capacity of 5.58 GW. The largest share of capacity is natural gas (41%), spread across 2 states.

Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ.

15
Plants
5.58 GW
Total capacity
2
States
1.14 GW
Largest: Tolk

Capacity mix

Natural Gas 40.7%Coal 39.7%Wind 17.9%Other 0.9%Oil 0.8%

By state

New Mexico6 · 1.24 GWTexas9 · 4.35 GW

Operating plants

PlantFuelStateOwnerCapacity
TolkCoalTexasSouthwestern Public Service Co1.14 GW
HarringtonCoalTexasSouthwestern Public Service Co1.08 GW
JonesNatural GasTexasSouthwestern Public Service Co860.4 MW
Sagamore WindWindNew MexicoSouthwestern Public Service Co522 MW
Hale Community Wind FarmWindTexasSouthwestern Public Service Co478 MW
NicholsNatural GasTexasSouthwestern Public Service Co474.7 MW
CunninghamNatural GasNew MexicoSouthwestern Public Service Co444.2 MW
MaddoxNatural GasNew MexicoSouthwestern Public Service Co212 MW
Plant XNatural GasTexasSouthwestern Public Service Co190.4 MW
Quay CountyOilNew MexicoSouthwestern Public Service Co27 MW
Retired plants (5)
PlantFuelStateOwnerCapacity
Celaneseretired 2010OtherTexasSouthwestern Public Service Co50 MW
Moore Countyretired 2013Natural GasTexasSouthwestern Public Service Co49 MW
Riverviewretired 2012Natural GasTexasSouthwestern Public Service Co28.6 MW
Carlsbadretired 2017Natural GasNew MexicoSouthwestern Public Service Co16.3 MW
Tucumcariretired 2010OilNew MexicoSouthwestern Public Service Co16.1 MW