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Find Generator repair pros in Derry

Avatar for Generator Supercenter of New Hampshire
Generator Supercenter of New Hampshire
5.0(
15
)

Serving Derry, NH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Matt Sanford and the team at Generator Supercenter were professional, knowledgeable and efficient when surveying my property. They spent quality time educating me on their generator product line and monitoring services. If you're looking for a superior product, company, and team to support you throughout our long New England winters, look no further!"
Completed 22kW Generac Standby Home Generator Installation -  With GenMon MobileLink installed, our 24/7 monitoring program which includes annual maintenance!
Automatic Transfer Switch Installed - shown on the left with the customers electrical panel on the right.
Additional Photos
Additional Photos
Additional Photos

+5

Response time5 days
3 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Cote Electric, LLC
Cote Electric, LLC
5.0(
45
)

Serving Derry, NH and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1987

Free estimates

Credit card accepted

"What a gem! Cleaned, repaired, and taught me how to properly operate my generator so I won't run into the same troubles again. Really knowledgeable and personable. Highly recommend Gabriel."
Standby Generator installed in the back of family's home.
Generator Install
Generator Maintenance
Response time3 days
197 neighbors recently requested a quote
George E. Maihos Electric
4.4(
58
)

Serving Derry, NH and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

"George was very responsive, quick and easy communication. He adjusted his schedule and provided help quickly when we had a problem with burnt cables on our panel. He did not only completed the repair, but checked for other problems and fixed what could have created more issues in the future. Thank you!"
Response time7 hrs
Recommended by100%of homeowners
Avatar for Krafton Electric, LLC
Krafton Electric, LLC
4.6(
120
)

Serving Derry, NH and surrounding areas

Approved

In business since 1990

Free estimates

Customers say: True professional

"David found and repaired the electrical problem, while showing and explaining it to me in detail. David is a true professional with a great sense of humor and skill!"
kitchen renovation
kitchen renovation
existing 100 amp service panel
old and existing circuit breaker electrical panel
existing

+5

Response time1 day
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Mr. Electric of Southeast NH
Mr. Electric of Southeast NH
4.7(
91
)

Serving Derry, NH and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Yes we had a Major snow storm and I needed a generator battery and they where out there the next morning to charge it and BRIAN HOWE WAS GREAT and even but me some slack I highly recommend them Mr electric thank you"
Lighting
EV Charger
Panel
200A Service
Kitchen Lighting

+1

Response time7 hrs
15 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for ARETE ELECTRIC
ARETE ELECTRIC
5.0(
20
)

Serving Derry, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Credit card accepted

"Arete Electric did an outstanding job on my kitchen and basement after I experienced an under sink burst filter which occurred in the middle of the night… it was a flood. Tommy and his team were extremely reliable, skilled, flexible and simply a pleasure to deal with. A lot of work was needed due to differences in code from when my kitchen was built until now. They also were able to install undercabinet lighting at the counter level and floor level and cleverly hide electrical plugs so not to as interfere with the aesthetic of the kitchen . I highly recommend!!"
Response time3 days
7 neighbors recently requested a quote
Recommended by5%of homeowners
Avatar for Pellerin Electric, LLC
Pellerin Electric, LLC
4.6(
84
)

Serving Derry, NH and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Very accommodating and helpful with suggestions when it was noticed that the fan we purchased was defective..our installer came back in the afternoon to install the replacement fan. Check your purchases at Home Depot before you leave the store...our Hunter Fan was definitely returned by a previous customer and then put back on the shelf. The Company and installer handled the job very efficiently and professionally and we would highly recommend."
4 neighbors recently requested a quote
Recommended by98%of homeowners
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Showing 1-10 of 231
FAQs for generator repair projects in Derry, NH

Always start by confirming the pro’s license number, insurance coverage, and experience level. Visit the electrician’s website, scan recent customer reviews, and verify credentials with your local labor department. Request proof of liability insurance and at least two references that you can contact. These quick checks take only a few minutes but go a long way toward ensuring safe, code-compliant work and protecting your home in the event of an issue.

Grouping several electrical jobs into one appointment means you pay a single service-call fee and one set of travel expenses. Instead of asking a pro to return three separate times for outlets, switches, and fixtures, have everything tackled in one visit. The electrician stays productive, and you avoid extra trip charges, often shaving a sizable chunk off the final bill without compromising quality.

DIY electrical work can be dangerous and, in many areas, illegal without a license. One miswired connection risks shocks, fires, or expensive damage. Licensed electricians carry the right tools, follow local code, and know how to shut down power safely before they start. Hiring a pro may cost more upfront, but it protects your home, family, and insurance coverage in the long run.

The Derry, NH homeowners’ guide to generator repair services

From average costs to expert advice, get all the answers you need to get your job done.