Population 44,000 · 3 license-checked installers listed
Prefer to pick installers yourself? Check the box on any listing below to compare a few side by side or request quotes directly from the ones you choose.
Showing 3 of 3 installers. Check the box on any installer below to compare a few side by side or request quotes directly from the ones you pick.
Blay Electric L.L.C. is a licensed NH electrical contractor based in Concord, offering standby and portable generator installation and maintenance alongside general residential and commercial electrical work.
Irish Electric Corp is a licensed NH electrical contractor based in Hopkinton, just outside Concord, offering automatic standby generator installation alongside residential and commercial electrical work.
R & T Electric, Inc. is a licensed NH electrical contractor based in Concord, in business since 1972, and an authorized Generac dealer installing standby generators for commercial and residential customers.
The only requirement to appear on this page is a checked state electrical license, confirmed against the state licensing board as part of our approval process, that's why every listing above shows "License checked." Installers are listed alphabetically by default, not ranked by quality, and no installer pays for placement in that order. LumoWatt does not sell ranking. If paid placement is introduced, it will be clearly labeled and will not change the standard list order. Use the sort dropdown above to re-order the list yourself by years in business or how recently we checked a listing. See our editorial policy and listing standards & verification methodology for the full details.
License-checked installers in nearby cities we cover, not based in Concord itself, shown here because they're within a realistic drive.
Hughes Electric LLC is a licensed NH electrical contractor offering residential and commercial electrical work in Manchester, including lighting, fire alarm, home automation, EV chargers, and backup generator installation.
Levasseur Electrical Contractors Inc is a licensed NH electrical contractor in Manchester providing residential, commercial, and industrial wiring plus security and fire systems.
Longchamps Electric LLC is a licensed NH electrical contractor and one of the region's larger commercial and industrial electrical firms, based in Manchester with 24/7 emergency service and 50 years in business.
Johnson's Electric Supply, Inc. is a licensed NH electrical contractor based in Nashua, offering residential and commercial electrical work including standby generator sales and installation.
Loren Morse Electrical Service, LLC is a licensed NH master-electrician-owned contractor based in Nashua, handling residential and commercial electrical troubleshooting, remodels, and emergency lighting.
TC Reilly Electric LLC is a licensed NH electrical contractor based in Amherst, serving the greater Nashua area with residential, commercial, and industrial electrical wiring, lighting, and maintenance since 2016.
Four Star Lighting & Electric Inc is a Massachusetts-licensed electrical business (License #2304, Electrical Business, Status: Current) based in Lowell since 2001, offering standby generator installation alongside commercial and residential lighting, wiring, and fire alarm services.
Lowell Central Electric Co. Inc. is a family-owned Massachusetts-licensed electrical business (License #848, Electrical Business, Status: Current) serving Lowell since the early 1950s, offering whole-house generator installation alongside commercial and industrial electrical contracting.
Whole-home standby generator installation in Concord typically costs $7,100-$15,000 all-in. See our full cost breakdown guide for what drives the price up or down, or use the generator sizing calculator for an estimate based on your own home.
This range is a LumoWatt estimate for Concord, not an independently published market study, based on the equipment and labor costs we typically see quoted in this area. Actual quotes vary by home size, generator capacity, and site conditions.
City of Concord Community Development (Building Inspection) issues electrical wiring permits within city limits.
See the full New Hampshire state permit overview.
New Hampshire's outage risk is driven by frequent Nor'easters, ice storms, and heavy wet-snow events across the state, plus summer thunderstorm and occasional hurricane-remnant wind damage that regularly downs trees onto distribution lines in the state's heavily wooded terrain; Manchester and Nashua see dense-grid urban outage patterns, while Concord's location along the Merrimack Valley shares the same ice-storm exposure common to central NH.
Page data last updated July 28, 2026. Who runs LumoWatt.
