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Avatar for Generator Supercenter of Maine
Generator Supercenter of Maine
4.6(
39
)

Serving Casco, ME and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Diagnosed the problem and repaired my generator so it starts and runs well. I will be using them from now on for all of my generator service in the future. They are a first class company."
Generator Install
18KW Installation
Preparation for the day
Photos
Response time2 days
Response rate93%
85 neighbors recently requested a quote
Avatar for Bolducs Electrical Contracting
Bolducs Electrical Contracting
4.9(
115
)

Serving Casco, ME and surrounding areas

Approved

In business since 1995

Warranties offered

Credit card accepted

"Eric has done several jobs for me over the past few years ranging from putting in a transfer switch for a new generator to installing receptacles for various appliances. His work has always been top-notch and his rates are very reasonable. I would not hesitate to recommend him to anyone who needs to hire a quality electrician."
Tempest Ridge Condo's
Tempest Ridge Condo's
.
Response time1 day
Response rate92%
7 neighbors recently requested a quote
Generators of Maine, Inc.
5.0(
5
)

Serving Casco, 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
Avatar for Solid Ground Electrical Inc.
Solid Ground Electrical Inc.
4.8(
21
)

Serving Casco, ME and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Service was 10/10. Prompt, professional, and the work that was performed exceeded my expectations. I will continue to hire Lyndon and Isaac for all of my electrical needs and I refer them to friends and family often."
14 neighbors recently requested a quote
Avatar for LaPlante Electric, Inc.
LaPlante Electric, Inc.
4.4(
71
)

Serving Casco, ME and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"This was to install a standby generator. The advance planning was excellent as was the quality of the work. Customer service is outstanding. Price was high, however. LaPlante was the highest of 3 bids received. Nevertheless, I selected them because of their professionalism and customer service."
Whole House Generac Generator 22 Kilowatt (KW)
Top View of a 22 Kilowatt (KW) Generac Generator
Internals of 22 Kilowatt (KW) Generac Generator
Back of 22 Kilowatt (KW) Generac Generator
200 AMP Whole House Transfer Switch

+8

Response time3 days
49 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Casco Bay Generators LLC
Casco Bay Generators LLC
5.0(
5
)

Serving Casco, ME and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

We are proud to be a Veteran-operated, Titanium Level Kohler® licensed and insured generator dealer. We teamed with Kohler® to give you peace of mind that you are working with a dealer-trained, factory-authorized provider to handle these appliances. We offer all Kohler® and Generac warranties and maintenance services. These are the industry’s best products for backup protection at your home or office.\nWe are also proud to work with Efficiency Maine, offering discounts, rebates, loans, and other initiatives to promote high-efficiency equipment that help Maine’s homes and businesses reduce their energy costs and lower their greenhouse gas emissions.\nProfessionally installing a standby generator and/or heat pump for your home or business is one of the best investments you can make. .\nWe at Casco Bay Generators & Heat Pumps keep the power on 24 hours a day, 365 days a year.

Standard installation.
Response time2 days
15 neighbors recently requested a quote
Casco Bay Electric, LLC
4.5(
122
)

Serving Casco, ME and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Very professional technician. In a nutshell, a tech came in as scheduled, heard what needs to be done, listened for the suggestions and ideas. He ended doing exactly what was discussed. He even came up with an idea on how to hide the wall cut. A great and affordable experience overall. Will use Casco Bay Electric again. Thanks!"
Various Services
Various Services Page 2
Various Services
Various Services Page 2
Various Services

+3

Response time1 day
2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Origin Energy, LLC
Origin Energy, LLC
4.6(
11
)

Serving Casco, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Warranties offered

"“I had an exceptional experience working with Origin Energy. Their team demonstrates the highest level of professionalism and a strong work ethic. They are not only knowledgeable and efficient but also consistently go above and beyond to ensure customer satisfaction. Every interaction was seamless, and their dedication to providing quality service was evident at every step. I highly recommend Origin Energy for their reliable, hardworking, and professional approach to business!”"
Completed system
First half of panels
First half progress
Response time2 days
Response rate88%
22 neighbors recently requested a quote
Showing 1-10 of 39
Generator Install questions, answered by experts

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

In most cases, there are no tax credits available for home generators. However, that’s a general statement that applies to federal tax credits, so you might have access to state or local tax incentives. You can check the Database of State Incentives for Renewables & Efficiency (DSIRE) for more information about your area. If you hire a reliable home generator installer, they should also know if there are any state or local perks you can use to reduce your installation costs, including tax breaks and rebates.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

The Casco, ME homeowners’ guide to generator installs

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