Solar Energy in Twin Falls County, ID (2026)
1 rule for unincorporated Twin Falls County, Idaho.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Twin Falls County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Ground-mounted or utility-scale solar arrays in unincorporated Twin Falls County need a permit before any construction begins: small- and large-scale solar projects require a conditional use permit under County Code section 8-21-3, while personal-use home solar systems instead need a siting permit and a building permit.
Solar Energy Permit Process in Twin Falls County
Some RestrictionsTwin Falls County Code § 8-21-3(B)
B. Permit Required: A conditional use permit is required prior to commencing any construction or ground-disturbing activities related to the installation of any small or large scale energy project. A siting permit and building permit is required prior to installation of any personal use energy project.
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