Solar Energy in Charles County, MD (2026)
1 rule for unincorporated Charles County, Maryland.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Charles County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
Small solar energy systems are permitted with conditions as an accessory use in every Charles County zone under § 297-212, Use 7.07.100, but installation requires an approved building permit, and ground-mounted arrays are capped at 10 feet tall and must sit within the zone's side and rear setbacks.
Charles County Solar Panel Permit Rules
Some RestrictionsCharles County Code § 297-212, Use 7.07.100(B) & (D)(1)
7.07.100 Solar energy system, small. A small solar energy system shall be permitted with conditions in all zones. As an accessory use to a residentially or commercially developed property... B. The construction of the small solar energy system shall be in accordance with an approved building permit application. If the small solar energy system is to be inter-connected to the local utility power...
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