Largest Power Plants in Idaho

Idaho has 160 power plants with a combined nameplate capacity of 5,999 MW. The table below ranks the 50 largest by installed capacity — these are the facilities with the most generation potential in the state. Nameplate capacity measures the maximum output under ideal conditions; actual generation depends on fuel cost, demand, and maintenance schedules.

For a complete list of all plants in the state, visit the Idaho state page. To find plants near a specific address, use the address lookup.

#	Plant	State	Fuel	Capacity
1	Brownlee	Idaho	Hydroelectric	675 MW
2	Dworshak	Idaho	Hydroelectric	465 MW
3	Langley Gulch Power Plant	Idaho	Natural Gas	319 MW
4	Rathdrum Power Llc	Idaho	Natural Gas	302 MW
5	Evander Andrews Power Complex	Idaho	Natural Gas	271 MW
6	Cabinet Gorge	Idaho	Hydroelectric	265 MW
7	Palisades Dam	Idaho	Hydroelectric	176 MW
8	Bennett Mountain	Idaho	Natural Gas	173 MW
9	Rathdrum	Idaho	Natural Gas	166 MW
10	Cedar Creek Wind, Llc	Idaho	Wind	160 MW
11	Goshen Phase Ii	Idaho	Wind	125 MW
12	Jackpot Solar, Llc	Idaho	Solar	120 MW
13	Meadow Creek Project Company	Idaho	Wind	120 MW
14	Hemmingway Bess	Idaho	Battery Storage	116 MW
15	Clearwater Paper Ipp Lewiston	Idaho	Biomass	114 MW
16	Lucky Peak Power Plant Project	Idaho	Hydroelectric	101 MW
17	Franklin Solar Hybrid	Idaho	Solar	100 MW
18	American Falls	Idaho	Hydroelectric	92 MW
19	C J Strike	Idaho	Hydroelectric	83 MW
20	Grand View Solar Two	Idaho	Solar	80 MW
21	Rockland Wind Farm	Idaho	Wind	79 MW
22	Bliss (Id)	Idaho	Hydroelectric	75 MW
23	Wolverine Creek	Idaho	Wind	65 MW
24	Lower Salmon	Idaho	Hydroelectric	60 MW
25	Franklin Battery Storage	Idaho	Battery Storage	60 MW
26	Milner Hydro	Idaho	Hydroelectric	60 MW
27	Horse Butte Wind I, Llc	Idaho	Wind	58 MW
28	Twin Falls (Id)	Idaho	Hydroelectric	53 MW
29	Albeni Falls	Idaho	Hydroelectric	42 MW
30	Anderson Ranch	Idaho	Hydroelectric	40 MW
31	High Mesa	Idaho	Wind	40 MW
32	Id Solar	Idaho	Solar	40 MW
33	Black Mesa Bess	Idaho	Battery Storage	40 MW
34	Black Mesa Solar, Llc	Idaho	Solar	40 MW
35	Smith Falls Hydro Project	Idaho	Hydroelectric	38 MW
36	Grace	Idaho	Hydroelectric	33 MW
37	Oneida	Idaho	Hydroelectric	30 MW
38	Minidoka	Idaho	Hydroelectric	28 MW
39	Swan Falls	Idaho	Hydroelectric	27 MW
40	Gem State	Idaho	Hydroelectric	23 MW
41	Ryegrass Windfarm	Idaho	Wind	23 MW
42	Hammett Hill Windfarm	Idaho	Wind	23 MW
43	Mainline Windfarm	Idaho	Wind	23 MW
44	Desert Meadow Windfarm	Idaho	Wind	23 MW
45	Cold Springs Windfarm	Idaho	Wind	23 MW
46	Two Ponds Windfarm	Idaho	Wind	23 MW
47	Camp Reed	Idaho	Wind	23 MW
48	Power County Wind Park South	Idaho	Wind	23 MW
49	Power County Wind Park North	Idaho	Wind	23 MW
50	Sawtooth Wind Project	Idaho	Wind	22 MW

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PowerPlantsNearMe.com. (2026). Largest Power Plants in Idaho. Derived from EIA Form 860, EIA Form 923, and EPA eGRID. Retrieved from https://powerplantsnearme.com/largest-power-plants/idaho

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Largest Power Plants in Idaho

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