Installer directory / Delaware

Solar installers in Delaware

Compare solar companies that serve Delaware, see what to ask before you sign, and check typical local costs. Or get matched with vetted installers for your ZIP.

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Installers serving Delaware

Companies that publicly list Delaware in their service area. We don't yet have verified city-level coverage — confirm your address with each company or get matched.

Trinity Solar

HQ Wall Township, New Jersey · Founded 1994 · Company site ↗

A family-owned solar and roofing contractor, one of the longest-operating residential solar installers in the Northeast. Installs solar, battery storage and roofing, primarily across the Mid-Atlantic and New England, plus Florida.

Residential solarBattery storageRoofing

Ratings, reviews & certifications: not yet verified

View Trinity Solar profile →

Solar Energy World

HQ Columbia, Maryland · Founded 2009 · Company site ↗

A Mid-Atlantic residential and commercial solar contractor with in-house crews, offering solar, battery storage and EV-charger installation across several East Coast states plus Florida.

Residential solarCommercial solarBattery storageEV chargers

Ratings, reviews & certifications: not yet verified

View Solar Energy World profile →

Company details are publicly sourced (company websites and public records) and not independently verified by SolarInstallers.io. Service areas, licensing and pricing change often. How we verify installers →

Get quotes from installers in Delaware

Questions to ask a Delaware solar installer

Are you licensed and insured for electrical and roofing work in this state? (Ask for the license number.)
What's the all-in price per watt, and what dealer or financing fees are included in it?
What equipment (panels, inverter, racking) are you quoting, and what are the product and workmanship warranties?
What year-1 production do you guarantee, and how is any shortfall handled?
Who pulls the permits and handles the utility interconnection and net-metering paperwork?
Do you use your own crews or subcontractors, and who services the system afterward?

Typical Delaware system: about kW, roughly net of incentives, ~-year payback. Full cost breakdown →

Solar installers by city in Delaware

Solar installers in Wilmington → Solar installers in Dover → Solar installers in Newark →

Frequently asked questions

How do I choose a solar installer in Delaware?

Confirm the company holds an active contractor's license and insurance in Delaware, get the all-in price per watt in writing, compare equipment and warranties, and collect at least three quotes. The questions to ask are listed above.

What does solar cost in Delaware?

A typical system runs about $2.90-$3.90 per watt installed before incentives. See the Delaware solar cost page for a full breakdown.

Are there solar incentives in Delaware?

No statewide solar tax credit or rebate is modeled for this state. Local utility rebates, net-metering terms and tax exemptions vary — check your utility and the DSIRE database for what applies where you live.