Solar power in Idaho on rooftops can provide 23% of all electricity used in Idaho. The low average cost of electricity makes Idaho one of the last states in the country to reach grid parity.
Net metering is limited to 25 kW for residential users, and 100 kW for commercial users, other than for Avista Utilities customers, where the limit for all users is 100 kW.
The City of Boise is planning on building a 20 MW solar plant near the Boise Airport, at a cost of $45 million. Two 20 MW solar power plants, Grand View Solar One and Solar Two, in Grand View, Idaho are planned. Construction of Grand View Solar One was expected to be completed by January 12, 2013.