Get matched with top generator install pros in Wellesley, MA

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4.5

(14 reviews)

Top-rated generator install pros.

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Paul W Chace
4.9(
152
)

Serving Wellesley, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1973

Free estimates

Emergency services offered

"Paul was fantastic! He did an excellent job installing 4 ceiling fans for us. He kept me updated on what steps were needed in each location (e.g., removing existing track lighting, installing a fan box, extending the wiring, etc.) and worked efficiently. Paul was also kind enough to explain things to me, which I really appreciated. He has been in the field for a long time and is a wealth of knowledge. I will definitely reach out to Paul for future projects involving electrical!"
Response time11 hrs
28 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for VMA Electric Inc
VMA Electric Inc
4.8(
462
)

Serving Wellesley, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"From the office folks to the electrician who did the work -- friendly and professional. They quoted the lowest price of three estimates and did the work within a couple of weeks. I purchased my generator elsewhere online... and VMA walked me thru the process of hooking it up, running it, and shutting it down. Very helpful."
Needham Project
22kw Generac
27kw
Response time8 hrs
33 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for T & G Electrical
T & G Electrical
4.9(
174
)

Serving Wellesley, MA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"George and his team did a great job with out project. We got some recessed lighting installed and some other miscellaneous tasks. The work they did was great. I would definitely hire them again for my future projects."
Local Owner-Operator George Boukouvalas
Services Offered
Residential Electrical Services
Commercial Electrical Services
General Electrical Troubleshooting & Repairs

+23

Response time1 day
1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Champion Electrical Services Inc
Champion Electrical Services Inc
5.0(
53
)

Serving Wellesley, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

At Champion Electrical Services, we believe homeowners deserve better. No more no-shows, rushed work, or upsells you don't need. We built this company to do things right - with respect, craftsmanship, and pride. Every project is treated like it's being done in our own home: clean, code-compliant, and built to last. Whether you need a panel upgrade, EV charger, generator, or quick repair, we show up when it counts and earn your trust every time. \nLicensed, insured, and proudly serving MA & RI. \nWhen the lights go out, don't call just anyone. Call the Champ.\n\n(774) 331-3500 \nCalltheChamp.com \[email protected]

64 neighbors recently requested a quote
Avatar for Wired Electrical Contractors, Inc.
Wired Electrical Contractors, Inc.
4.9(
198
)

Serving Wellesley, MA and surrounding areas

Approved

In business since 2006

Emergency services offered

Warranties offered

"Extremely happy with the service from Paul! I had an old 240V outlet in my garage I was hoping to use for a new electric car. Paul came out and got the outlet working again. He offered multiple options but didn't try to upsell me on the most expensive work. We mutually decided on the most cost effective solution (which was substantially less than other options). Paul is a very honest electrician and I will definitely use him again for any future needs."
Tesla Wall Connector
Tesla Wall Connector
Additional Photos
Additional Photos
Additional Photos

+6

1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for VA Electric Co.
VA Electric Co.
5.0(
20
)

Serving Wellesley, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Emergency services offered

"The workers were very professional, very prompt and clean. The head electrician came up with the best design ideas. He also is very knowledgeable about newest electrical products on the market . We will be using their services again for sure."
Condo unit studio kitchen renovation
New construction
Renovation plus addition project in Burlington
Complete rewiring of a Victorian Multi Family
Modern Country Kitchen renovation in Lexington

+8

Response time11 hrs
Response rate90%
Recommended by95%of homeowners
Avatar for Ryan Cassidy
Ryan Cassidy
5.0(
11
)

Serving Wellesley, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Excellent service. Ryan was professional, flexible, quick with response time and very reasonably priced. I would highly recommend his company for any electrical work needed for your home."
Garage Sub Panel
Garage Circuit Lighting/Receptacles
Garage Circuit Lighting/Receptacles
Garage Circuit
Garage Circuit

+73

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 532

FAQs for generator install projects in Wellesley, MA

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

The Wellesley, MA homeowners’ guide to generator installs

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