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Verified Reviews for Generator Install pros in Belfast, ME

*The Angi rating for Generator Install companies in Belfast, ME 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 Belfast, ME 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 February 23, 2026

Find Generator install pros in Belfast

Generators of Maine, Inc.
5.0(
5
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Belfast, ME and surrounding areas

Approved

In business since 2014

Free estimates

Offers commercial services

"Generators of Maine just completed the installation of a 14kw generator with parallel transfer switches, to protect 2 separate metered panels at a rental property that I own. I didn't even know that this was possible, until Doug Sawyer suggested it. The incremental cost of protecting the additional panel with the parallel transfer switch arrangement was a fraction the cost of an additional generator and transfer switch. Throughout the job, Doug and his crew were awesome. I am a terrible snoop who enjoys technology, so I hung around just watching and learning. They didn't seem to mind my presence and were friendly and informative through out the install. Every aspect of the job was 100% top-notch. Doug also managed to under bid his nearest competitor on every component and aspect of the job, including the annual maintenance contract, which I deemed to be worth the $$$. I highly recommend Generators of Maine."
Response time4 hrs
Recommended by100%of homeowners
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Avatar for Baker Electric and Sons
Baker Electric and Sons
4.1(
17
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Belfast, ME and surrounding areas

Approved

In business since 2015

Emergency services offered

Credit card accepted

"Steve and his crew are on time and professional. Always ready and willing to help."
Response time2 days
Response rate91%
68 neighbors recently requested a quote
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Avatar for Advanced Generator Solutions
Advanced Generator Solutions
5.0(
3
)
Fixed Generator - InstallFixed Generator - Repair

Serving Belfast, ME and surrounding areas

In business since 2024

Free estimates

Offers commercial services

"Tech was on time, polite, professional, and did a great job. Iâ d highly recommend Advanced Generator Services."
Response time3 days
Recommended by100%of homeowners
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Avatar for 2 Rivers Electric
2 Rivers Electric
4.8(
5
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Belfast, ME and surrounding areas

In business since 2025

Free estimates

Emergency services offered

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

Logo
Response time4 hrs
Response rate100%
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Avatar for Kaps Electrical
Kaps Electrical
5.0(
1
)
Fixed Generator - InstallFixed Generator - Repair

Serving Belfast, ME and surrounding areas

In business since 2020

Free estimates

Credit card accepted

At kaps electrical we pride ourselves on being the best electrical company in the area.\n\nWe've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing.\n\nBeing a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

Response time2 days
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Corson Electric
5.0(
1
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Repair

Serving Belfast, ME and surrounding areas

In business since 2000

Free estimates

Offers commercial services

Corson Electric, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Kitchen lighting
Response time3 hrs
Recommended by100%of homeowners
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Generator Install questions, answered by experts

If your home already has a grinder pump and you’re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

The Belfast, ME homeowners’ guide to generator installs

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

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