Plug-in solar in Delaware

Status not yet confirmed Checked November 10, 2026

Being verified. We could not confirm this on an official source yet. Details are held as unknown.

Trackers report a Delaware plug-in bill, SB 270, with a lower 800-watt cap, that did not pass before the June 30, 2026 end of session. We could not load the Delaware General Assembly's bill page to confirm.

The rules

Delaware has no enacted plug-in solar law. There are no state rules to list; your utility's interconnection rules apply.

What's next

Confirm SB 270 on legis.delaware.gov.

What could it save?

For an 800 W panel kit at Delaware's average residential price of 17.98¢/kWh (September 2025 – August 2026 (12 months)):

Ideal tilt (20°, south): 1,120 kWh a year: about $139 typical (69% used at home), up to $201 best case (100%)
Vertical railing (90°, south): 749 kWh a year: about $93 typical (69% used at home), up to $135 best case (100%)

"Typical" uses HTW Berlin's model for an 800 W system without a battery; exports are assumed to earn nothing. Solar data: NREL PVWatts for Dover (capital). Try your own numbers · Is it worth it? · Railing vs tilted

Price source: EIA residential average, September 2025 – August 2026 (12 months).

Neighbouring states

Maryland: Law in effect
New Jersey: Law passed, not yet in effect
Pennsylvania: Bill active

Sources

Plug-In Solar Guide state list (lead only) (Lead only (not relied on); accessed November 10, 2026)

Research note: Trackers report SB 270 (800-watt cap) remained in committee when the session ended June 30, 2026. legis.delaware.gov returned an error page to our requests.

This page is general information, not legal or electrical advice. Laws change and utilities differ. Check the linked official sources, your lease or HOA rules, and your utility before you buy or install anything. Full disclaimer.