Power Plants in SPP (Southwest Power Pool)

752 plants · 115.6 GW total capacity

The SPP (Southwest Power Pool) grid region encompasses 752 power plants with 115.6 GW total capacity across 14 states.

Largest is Jeffrey Energy Center (2160 MW Sub. Coal); oldest active is Wakefield (1915); newest is Kennett Solar (2026); top state is Kansas (198 plants); top owner is NextEra Energy (50 plants).

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By Fuel Type

Wind
235 plants · 35.9 GW
Gas
187 plants · 46.9 GW
Solar
155 plants · 3.9 GW
Oil
93 plants · 1.9 GW
Coal
26 plants · 19.7 GW
Hydro
23 plants · 3.4 GW
other
17 plants · 453 MW
Battery
14 plants · 1.5 GW
Nuclear
2 plants · 2.1 GW

By State

Kansas
198 plants · 23.4 GW
Oklahoma
142 plants · 34.9 GW
Nebraska
133 plants · 13.4 GW
Missouri
64 plants · 9.6 GW
Texas
61 plants · 15.3 GW
New Mexico
39 plants · 4 GW
South Dakota
31 plants · 4.4 GW
Arkansas
28 plants · 2.4 GW
Iowa
18 plants · 539 MW
North Dakota
16 plants · 6.4 GW
Colorado
8 plants · 20 MW
Minnesota
7 plants · 75 MW
Louisiana
4 plants · 1 GW
Montana
3 plants · 168 MW