Idaho
power plants.
Idaho has 138 power plants in our public-data catalog, totalling 4.9 GW of tracked capacity. Its generating fleet leans on hydro — 45.3% of tracked capacity, with natural gas second at 25.6%. The largest plant we track is Dworshak (465 MW, online since 1974).
Idaho electricity mix
Tracked installed capacity by fuel. Each links to its global page.
Largest plants in Idaho
Frequently asked questions
Where does Idaho get its electricity?
Across the 138 plants we track in Idaho, capacity is led by hydro at 45.3%, then natural gas at 25.6%. These are tracked installed-capacity shares from public data, not live generation.
What is the largest power plant in Idaho?
The largest plant in our Idaho catalog is Dworshak, a hydro facility with 465 MW (commissioned 1974).
How many power plants are in Idaho?
Our catalog tracks 138 power plants in Idaho totalling 4.9 GW, built from EIA, WRI and OpenStreetMap. The true total including the smallest installations is higher.