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Avatar for Do Good Electric, LLC
Do Good Electric, LLC
5.0(
16
)
Portable Generator - Install

Serving Athol, MA and surrounding areas

Approved

In business since 2019

Customers say: Quality work

"Requested a quote for work from Dan. He provided suggestions I hadnâ t thought of. Went with his recommendations. Couldnâ t be happier with his work. Also misssion of company is unique and outstanding."
After photo
Response time12 hrs
4 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Let It Glow Electric, LLC
Let It Glow Electric, LLC
4.6(
32
)
Portable Generator - Install

Serving Athol, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Justin did great job, intalled the hookup and the transfer switch for the portable generator. Worked in freezing temperature outside. The only downside was that the install was postponed few times because he was waiting for the parts"
Exterior
Kitchen
Main service
Transfer switch and main panel
Canopy recessed cans retrofit

+27

Response time1 day
3 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Spartan Electric, Inc.
Spartan Electric, Inc.
5.0(
11
)
Generator - Install - For BusinessPortable Generator - Install

Serving Athol, MA and surrounding areas

Approved

In business since 2020

Emergency services offered

Warranties offered

"Justin was awesome. Very proactive about calling me back and he was able to squeeze me in right away. He was also very flexible about the job. There were a couple things I had asked him specifically to do and then I asked for an additional outlet to be installed...he did it no problem. Great Experience!"
Remodel
Remodel
Remodel
Remodel
Remodel

+10

Response time1 hour
Response rate96%
Recommended by81%of homeowners
Avatar for Advanced Energy Concepts of Worcester, Inc.
Advanced Energy Concepts of Worcester, Inc.
3.9(
138
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business

Serving Athol, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Top notch vikki had her guys here asap to check my old a/c unit out when the tech said it was gone that Monday the appraiser came out 2 days after that had quote and a week after that install in 1 day . Guys where awesome new what they where doing had it done in no time... highly recommend for any a/c our heating issues awesome people..thank you advance especially vikki she was awesome."
Response time3 days
Response rate85%
36 neighbors recently requested a quote
Avatar for Nathan Ufema
Nathan Ufema
5.0(
2
)
Fixed Generator - InstallPortable Generator - Install

Serving Athol, MA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

At Ufema Electric, we prioritize safety in every job, ensuring a secure and reliable experience for our clients. We take immense pride in our work, always delivering top-notch results with attention to detail. Our team is friendly, approachable, and dedicated to providing excellent customer service, making every project a smooth and positive experience. Trust Ufema Electric for high-quality, safe, and professional electrical services.

New panel install
New panel install
New panel install
Garage smoke detectors
Recessed lighting install

+4

41 neighbors recently requested a quote
Avatar for Brens Electric LLC
Brens Electric LLC
5.0(
1
)
Generator - Install - For BusinessPortable Generator - Install

Serving Athol, MA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

We bring years of proven experience and a strong work ethic to every project we undertake. As a fully licensed and insured electrical contractor, we combine technical expertise, attention to detail, and strict compliance with all applicable electrical codes and safety standards. Our work is performed with professionalism, precision, and accountability. Whether managing complex electrical systems or providing routine maintenance, every task is completed with a focus on quality, reliability, and long-term performance. Our goal is to build lasting relationships built on trust, consistency, and exceptional service.\n

800A Service Upgrade
800A Service Upgrade
7 neighbors recently requested a quote
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Generator Install questions, answered by experts

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

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

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.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

The Athol, MA homeowners’ guide to generator installs

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