Solar Energy in New Castle County, DE (2026)
1 rule for unincorporated New Castle County, Delaware.
Verified from official government sources
Note: These county rules apply to unincorporated areas of New Castle County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Panel Permits
New Castle County exempts rooftop solar panels installed to produce electricity from a building permit on one- and two-family homes, though ground-mounted systems and zoning setback rules still apply.
New Castle County Solar Panel Permit Exemption
Light RestrictionsNew Castle County Code § 6.03.012(C)(2)(g)
C.Work exempt from permit. ... Permits shall not be required for the following: ... 2.For one- and two-family dwellings only regulated by the Residential Code. ... g.Installation of rooftop solar panels for the purpose of producing electricity.
All New Castle County ordinances
See every category we cover for New Castle County: parking, noise, fences, fires, animals, pools, and more.
New Castle County Ordinance Hub →