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TRUSTED BY DARLINGTON, MD HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon11
    Verified generator installs reviews

Top-Rated Generator install pros in Darlington - Updated Nov 2026

Technician Engineers Group
3.7(
15
)
Generator - Install - For Business

Serving Darlington, MD and surrounding areas

Approved

In business since 1996

Offers commercial services

Customers say: Quick response

"Anthony and his team do expert electrical work of all kinds. We are a 145 year old non-profit organization with buildings and grounds, and have contracted with Technician Engineers Group (TEG) on two large projects (and several small ones) over the last 15 years. One project rewired a large 125 year old building listed on the National Register of Historic Places, and one installed an extensive outdoor lighting system. In these two unusual situations TEG worked closely with us to find innovative solutions to our unique needs. We are very pleased with the results, enjoyed their can-do approach, and highly recommend this company for any electrical challenge. We found TEG reliable, honest, on time, and all the work was completed ahead of schedule."
4 neighbors recently requested a quote
Recommended by53%of homeowners
Avatar for Horizon Services, LLC (MDE)
Horizon Services, LLC (MDE)
4.2(
15
)
Fixed Generator - Install

Serving Darlington, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Your Trusted AC, Heating, Plumbing, & Electric Company Since 1987 \n \nWhen you need AC, heating, plumbing or electric services, look no further than Horizon Services. For 35 years, we?ve been the trusted name in plumbing, heating, and air conditioning, offering an unmatched level of service at reasonable rates. Servicing Baltimore, Cecil, and Harford counties in Maryland, and Chester, Lancaster, and York Counties in Pennsylvania, we proudly serve a large range of local homeowners with comprehensive AC, heating, and plumbing services. Our expert technicians can carry out same-day services and next day installations to ensure that your home remains comfortable year-round. Whether you?re dealing with a serious plumbing problem, a broken air conditioner, or a heating issue, you can rely on Horizon Services for the high-quality service you need at the price you want.

Recommended by83%of homeowners
Avatar for COASTAL ELECTRICAL SERVICES, INC
COASTAL ELECTRICAL SERVICES, INC
5.0(
2
)
Fixed Generator - RepairPortable Generator - Repair

Serving Darlington, MD and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I RECOMMEND THIS BUSINESS VERY HIGHLY . BEAUTIFUL WORK, COREY WORKED AROUND MY SCHEDULE, AND I WILL USE HIM AGAIN FOR ANY FUTURE ELECTRICAL WORK. COASTAL ELECTRICAL SERVICES GETS AAA+. THANKS J. EVANS"
Response time10 mins
3 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Callahan Electric
Callahan Electric
4.9(
32
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Darlington, MD and surrounding areas

In business since 1999

Free estimates

"Callahan Electric has been our choice for 6 years! Last week Cody replaced a ceiling mounting box, installed a new ceiling fan and replaced a wall switch. He was not happy with the quality of the provided plastic switch cover, so he installed an upgrade that matched the others in our home! Given the current situation, we were a bit apprehensive about having a contractor in our home. Our fears were put rest when Cody arrived in a mask (early, no less!) and explained Callahan's commitment to continued meticulous adherence to science-based guidelines during these challenging times. Callahan has provided stellar electrical expertise for projects ranging from a major "from the studs out" renovation of our home to installing a new ground fault receptacle at our pond and everything in between. They are, and will continue to be, our electrical contractor of choice."
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+14

Recommended by100%of homeowners
Avatar for Supreme Electric Co
Supreme Electric Co
4.8(
29
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Darlington, MD and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"It went great! Pete and Dave were fast, friendly, and professional. They did a great job installing the ceiling fans in my rooms. They made sure to protect my belongings so that nothing was damaged during the installation. And the quote they gave me was spot on. Their prices are affordable. For what they charged to install 3 fans, another company wanted to charge me just to install 1 fan. I absolutely would highly recommend contacting Supreme. I will be definitely contact them for additional work I need to have done!"
Company Truck
Business card updated info
Kitchen Lighting
Finished Basement Lighting
Bathroom Lighting

+1

Recommended by100%of homeowners
Overlea Electric Service, Inc.
5.0(
12
)
Fixed Generator - InstallFixed Generator - Repair

Serving Darlington, MD and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"Pete Definbaugh and his team installed the Generac 20 KW Generator and it passed the Harford County Inspection with flying colors. Pete organized everything to include with the plumber and county inspectors as well as BGE for the gas hook up and BGE's final hookup. The generator has a great transfer switch that kick right over and he installed TWO new grounds for the setup. He paid attention to all the details and that included making sure we had Harford County Approvals and PASSED inspection results. The workmanship of the installation was high quality all the way and it worked right during the test without a hitch."
2- 200 amo transfer switches
2- 200 amp transfer switchhes on a 400 amp service
30 KW geneerac Generator
14 KW generator install
2 200 amp transfer switches

+6

Response time7 hrs
Response rate100%
Recommended by100%of homeowners
Petro Home Services
4.6(
260
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Darlington, MD and surrounding areas

In business since 1903

Emergency services offered

Warranties offered

"I was pleasantly surprised at their careful and thorough approach to the installation. They also were the most competitive bid with Cropp Metcalf being $3000 higher with less equipment. They are a local gem in a crowded field which should not be overlooked by savvy consumers"
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Recommended by90%of homeowners
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Generator Install FAQs, answered by experts

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

The Darlington, MD homeowners’ guide to generator installs

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