Solar Energy in Johnston County, NC (2026)
1 rule for unincorporated Johnston County, North Carolina.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Johnston County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Johnston County Code § 14-118 lets homeowners and farms in the AR, Resort Residential, Mobile Home Park, and Planned Development districts install solar panels as an accessory use, capping ground-mounted arrays at 500 square feet and 12 feet tall, roof-mounted panels at 1,000 square feet, and wall-mounted units at 120 square feet.
Johnston County Residential Solar Panel Standards
Some RestrictionsJohnston County Code § 14-118(b)-(c)
(b) Solar energy generation facilities shall not be permitted in these districts. (c) Solar energy systems shall be accessory to a dwelling or other residential accessory structure. (1) The solar collector surface shall be limited to 0.5 percent of the total gross area of the lot, with at least 125 square feet allowed and no more the 500 square feet when ground-mounted; the solar mounting...
All Johnston County ordinances
See every category we cover for Johnston County: parking, noise, fences, fires, animals, pools, and more.
Johnston County Ordinance Hub →