Delaware Plug-In Solar: Laws, Permits & Savings | PlugInSolarUS

Plug-In Solar in Delaware — Legislation Pending

Bill: SB 270 — Plug-In Solar Device Consumer Access Act

Sponsor: Sen. Marie Pinkney

Legislative Status: Introduced in Senate. In Senate Energy & Transit Committee. No committee vote yet.

Current Status: Introduced · In Senate Energy & Transit Committee (2026)

Last Updated: March 2026

Key Information

Average Electricity Rate14.8¢/kWh
Estimated Annual Savings$175/year
TOU Rate Spread6¢/kWh
Peak Sun Hours/Day4.3
Retail Choicefull

Key Provisions

Would exempt certified plug-in solar devices from PSC interconnection requirements. Allows self-installation without permits.

Law Provisions

Effective DateNot specified in bill text
Wattage Limit1,200 watts
UL 3700not_mentioned — UL or equivalent nationally recognized testing laboratory certification required
HOA ProvisionNot addressed in the bill text.
Renter ProvisionNot addressed in the bill text.
Utility ApprovalWaived
Permit RequiredNot addressed
Backfeed/Net MeteringNot explicitly addressed.
Key DifferencesSB 270 follows the standard model legislation template. Delaware's small size and single major utility (Delmarva Power) could simplify implementation.
Notable OmissionsDoes not address HOA restrictions, renter rights, net metering, or building permits.

What You Can Do

If passed: self-install without Delmarva Power approval.

What You Can't Do (Yet)

Law not yet enacted. Utilities require interconnection agreements for grid-tied systems.

Available Rebates & Incentives

Delaware Green Energy Program offers utility rebates ($0.70/W from Delmarva Power, up to $6,000; $0.35/W from Delaware Electric Cooperative). Delaware has no state sales tax — solar equipment is automatically tax-free. Net metering for systems up to 25 kW. Delaware SREC market (~$30/SREC for first 10 years). The federal 30% ITC (Section 25D) expired December 31, 2025.

Incentive Program Links

Demographics (US Census 2023)

Population1,031,388
Total Households402,038
Owner-Occupied293,487
Renter-Occupied108,551
Single-Family Homes282,100
Apartment Units (5+)30,357
Median Household Income$79,362
Median Home Value$345,000

Solar Resource Data (NREL PVWatts)

Peak Sun Hours/Day4.88
Optimal Tilt Angle20°
Optimal AzimuthDue South (180°)
Est. Annual kWh (800W system)1123 kWh
Best Solar MonthsApril–September

Major Utilities

UtilityCustomersNet Metering
Delmarva Power~344,000 customersYes
Delaware Electric Cooperative~84,000 customersYes
Delaware Municipal Electric Corporation~99,000 customersYes

News Coverage