*The Angi rating for Generator Install companies in Newark, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in Newark, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on July 25, 2025
Serving Newark, DE and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"Rob did an awesome job getting our generator hooked up. Brandon electric is our go to electrician. Jeff and his team are very responsive and professional. I Highly recommend their services"
+61
Serving Newark, DE and surrounding areas
Approved
In business since 2003
Emergency services offered
Warranties offered
"Stephen communicated with me from start to finish and completed the job perfectly, and with precision! Including testing with my generator to provide instruction on usage and verified everything worked as expected!"
+9
Serving Newark, DE and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"Need a ceiling fan installed and they got the job done. Fast, friendly response time. Would definitely hire again."
Serving Newark, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Emergency services offered
"Brian was awesome and fast and courteous. Princeton Electrical was easy to communicate and negotiate with, and offers a fair price for their labor. Had a Level 2 EV charger installed from my townhouse basement to my garage in a few hours without problems."
+26
Serving Newark, DE and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"A crew of four men, plus Mike, the owner and chief electrician, came. I had bought replacement posts and lights at Home Depot. They took out the old post lights and put in the new ones. Several of the old ones were not working because the contacts (under the ground) had rusted. The newly installed ones are working fine now.
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Serving Newark, DE and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"the job was complicated because another installer had left connections from heated floor tiles in the wrong place Chris and Joe and Anthony had to do a lot of adapting to get connections made I felt that they did an excellent,difficult job."
Serving Newark, DE and surrounding areas
Approved
Free estimates
Emergency services offered
Customers say: Super punctual
"I would highly recommend this company for any electric work. Chris and his wife Deborah are incredibly easy to work with. When they had to come back the next day to address two minor issues it was no problem for them."
+76
Serving Newark, DE and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"Scott and his crew were punctual, efficient, and did excellent work. We had our main panel upgraded from 100 to 200 amps. They also installed a Level 2 Charger for our EVs. Communication with Scott was easy and he kept me in the loop for the entire project. I recommended Scott to several of my neighbors and they hired him for their projects as well. A great company and a great guy to work with. Thanks, Scott."
+7
Serving Newark, DE and surrounding areas
Approved
In business since 2001
Free estimates
Warranties offered
"We had never planned on having lightening rods installed in our home. We had gone out on an errand and when we came home, William and crew were installing rods on our neighbor's home across the street and William came over and talked to us about installing lightening rods. He didn't give a "sales pitch," just gave us the price including weathervane and we agreed. They were friendly, they were neat, efficient, thoughtful and conscientious. Because of our experience with this company, we would definitely recommend them."
+79
Serving Newark, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2003
Free estimates
Emergency services offered
"Instalation of a 20 amp dedicated line. Excellent quality. Clear thoughtful communication. Very clean. Great electricians. Definitely recommend."
+8
When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.
Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:
Portable generators with 1kW–7.5kW capacity: $500–$2,000
Partial generators with 9kW–20kW capacity: $2,000–$6,300
Whole-house generators with 22kW–48kW: $5,000–$18,000
When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:
Refrigerator: 600 watts
Large dehumidifier: 700 watts
Large window air conditioner: 1,400 watts
Water heater: 3,000 watts
Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running.
Here’s what you can run with different wattages and types of generators:
Portable generator:
2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers.
4,000 watts will keep two large appliances operating and a few smaller devices.
8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.
Partial to whole-house generator:
20,000 watts and above will make it seem like your home’s power is still on.
The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:
Experience frequent or prolonged power outages
Work from home
Store a lot of cold food
Have a sump pump
Have a pump for well water
Use electronic medical devices
Live in a climate requiring heating or cooling
From average costs to expert advice, get all the answers you need to get your job done.
The cost to install a whole-house generator in Philadelphia, PA varies based on factors like generator size, fuel type, and installation complexity. Learn the typical price range and what influences your total cost.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Installing a portable generator can power key appliances during outages. Learn about the best backup generator questions to discuss with a pro.
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
Using a generator during a power outage is a lifesaver. Our guide will show you how to connect a generator to your house without a transfer switch.
