Solar Energy in Delaware (2026)
5 rules on the books across Delaware, 3 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Panel Permits
Permits required for installing rooftop or ground-mounted solar panels, including electrical inspections and interconnection approvals.
Delaware: statewide
StatewideSome RestrictionsDelaware guarantees net energy metering statewide for solar customers. Under 26 Del. C. § 1014 the Public Service…
Read full rule →Kent County
Some RestrictionsKent County requires a $100 building permit for roof-mounted solar panels and sets zoning standards for both roof- and…
Read full rule →Sussex County
Some RestrictionsSussex County lets accessory solar panels serving an existing home or business go up "in all districts" with no…
Read full rule →New Castle County
Light RestrictionsNew Castle County exempts rooftop solar panels installed to produce electricity from a building permit on one- and…
Read full rule →HOA Restrictions
State and local laws that limit what HOAs can restrict when it comes to solar panel installation, placement, and appearance.