Generator Installation in Wilmington, DE

Compare 27 generator installation contractors near you in Wilmington and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated May 22, 2026

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Other Businesses in This Area

Generators Direct USA

3+ years online
generatorsdirectusa.com

Joe's Generators

~11 years online
joesgenerators.com

Advanced Power Generation, LLC

5.02+ years online
midatlanticgenerators.com

Independent Electrical Services LLC

5.021+ years online
i-e-s.com

K&H Electrical Services LLC

5.07+ years online
kandhelectricllc.com

LIAM Services

5.0~6 years online
liamsvcs.com

Mid-Atlantic Generators, LLC

5.02+ years online
midatlanticgenerators.com

Mr. Electric of Newark

5.030+ years online
mrelectric.com/newark

Action Rental- Wilmington

4.8~29 years online
actionrental.com

Foulk Lawn & Equipment Inc

4.816 years online
foulklawn.com

Kendall Electric

4.8~29 years online
kendallelectric.com

Lloyd Mills Electric

4.816½+ years online
lloydmillselectric.com

Joseph Frederick & Sons

4.725½+ years online
jfrederickandsons.com

Wysocki Electric

4.720½+ years online
wysockielectric.com

Guerrera & Sons Electric

4.623+ years online
guerreraelectric.com

Day-Light Electric

4.5

Eastern Generator Sales & Service Inc.

4.427½+ years online
easterngenerator.com

Aaron and Sons Electric

3.8

Premium Power Services, LLC

3.4~20 years online
premiumpowerservices.comGet a Free Quote

Generator Installation in Nearby DE Cities

Generator Installation in Wilmington, DE

Wilmington Delaware sits on Delmarva Power, which means coastal storm and ice-event outages drive the standby market. DuPont and Chemours executives in Trolley Square and Greenville want full-home coverage; mid-tier homeowners pick interlock-plus-portable. Trolley Square's century-old service entrances usually need a panel rebuild before any ATS goes in.

Wilmington generator installs run $5,500-$14,000 for 22-26 kW Generac, Kohler, or Cummins units. DE requires a state EC license. Permits ($75-$200). Setbacks: 5 ft from structures, 18 inches from PL.

Frequently Asked Questions

Service upgrade?
Older Wilmington homes often have 100-amp panels.
Natural gas?
Delmarva Power gas covers most Wilmington.
How often will it run?
Most use 8-30 hours per year.

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NeedInstall helps connect customers with local installation professionals across Wilmington and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.

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