Groton, CT Whole Home Generators

Reliable Standby Power for Groton Homes and Businesses

Groton sits right where the Thames River meets Long Island Sound, and that coastal location is beautiful, but it comes with real power challenges. Nor’easters, coastal storms, and heavy winter weather regularly knock out power across the region. Since 2011, Generators on Demand has helped Groton homeowners and businesses stay powered when the grid goes down. From the waterfront neighborhoods of Groton Long Point to the busy corridors near the Naval Submarine Base, we install, service, and repair standby generators built to handle whatever the New England coast throws at them.

Take control of your home’s energy security. Message us online or call 860-434-2608 for dependable generator expertise.

Whole Home Generator Installation in Groton

A whole home standby generator turns on automatically the moment the power fails, usually within seconds, so your family never sits in the dark. For a Navy town like Groton, where many households juggle deployments, shift work, and family life, that automatic reliability matters. Our factory-trained technicians size each system to your home’s actual power needs and handle the full installation, from placement and permitting to the electrical and fuel connections. Whether you’re protecting a waterfront property exposed to coastal wind or a family home inland, we install residential standby generators that keep your heat, sump pump, refrigerator, and medical equipment running through any outage.

Generator Maintenance & Repair in Groton

A standby generator only helps if it starts when you need it. Groton’s salt air and coastal humidity are hard on outdoor equipment, so regular maintenance is especially important here. Our generator service programs include battery testing, fuel-system checks, oil and filter changes, and full load testing to confirm your unit is ready before the next storm. When something does go wrong, our repair technicians respond quickly with the parts and expertise to get your backup power working again. We service the Generac, Kohler, and other major brands you’ll find on homes throughout the Groton area.

Commercial & Municipal Generators for Groton

Groton’s businesses, marine facilities, and community services can’t afford to go dark during an outage. We install and service commercial and municipal standby generators sized for everything from small storefronts to large facilities. Our team works with owners and facility managers to keep essential operations, refrigeration, and safety systems running during any grid interruption, so your business stays open when the neighborhood needs it most.

Mobile Generators & Light Tower Rentals

When you need temporary power, we’ve got you covered there too. Our mobile generators and light tower rentals are ideal for outdoor events along the Groton waterfront, construction and property projects, and emergency backup during extended outages. We handle delivery and setup so you get dependable power without the hassle.

Why Groton Trusts Generators on Demand

We’ve built lasting relationships with Groton families and business owners since 2011 by showing up, doing quality work, and standing behind it. Our team is factory trained and available 24/7, because power emergencies don’t keep business hours. You can read reviews from your Groton neighbors on our testimonials page and on Google. Have questions about which generator is right for your home? Our FAQ covers the basics, and our support videos walk you through owning and operating your unit.

When you’re ready to protect your Groton home or business, call 860-434-2608 or contact us online. We also serve nearby Ledyard, Waterford, Montville, and Stonington.

Recent Jobs and Reviews in Groton, CT

Rated 4.5 out of 5 stars based on 2 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting strong customer satisfaction and appreciation. Customers consistently express enthusiasm about the quality of service they receive, with a tone of genuine gratitude and confidence in the company. Recurring themes include exceptional professionalism, with technicians described as knowledgeable, friendly, and polite throughout their interactions. Punctuality emerges as a notable strength, with customers appreciating timely arrivals and reliable service. There is a clear sense of trust and comfort, as reviewers highlight how well technicians explain procedures and provide helpful recommendations, making customers feel informed and valued. The expertise demonstrated by the service team is repeatedly praised, with customers expressing confidence in their technical abilities and problem-solving skills. Many reviews convey a sense of relief and satisfaction at having found a dependable service provider, with some customers specifically noting their commitment to ongoing relationships through maintenance agreements. The emotional tone is warm and appreciative, suggesting that customers feel well-cared-for and supported, creating a strong foundation of loyalty and positive word-of-mouth recommendations.

Groton, CT at a glance

Generators On Demand has completed 9 jobs in Groton, CT between August 2025 and December 2025.

The most recent job was on December 3, 2025.

Generators On Demand has completed 11 jobs in Groton, CT in the last 12 months. The first job there was in August 2025.

Job Locations and Reviews

Groton, CT - 17KW Generac Annual Air Cooled Service
Kevin W.
Kevin W. Checked in
17KW Generac Annual Air Cooled Service
Groton, CT 06355
Groton, CT - 18KW Generac Annual Air Cooled Service
Kevin W.
Kevin W. Checked in
18KW Generac Annual Air Cooled Service
Groton, CT 06340
Groton, CT - 22KW Generac Annual Air Cooled Service, replaced 2 terminals and air filter.
Kevin W.
Kevin W. Checked in
22KW Generac Annual Air Cooled Service, replaced 2 terminals and air filter.
Groton, CT 06355
Groton, CT - Repair on a Liquid Cooled Generac generator.
Raymond W.
Raymond W. Checked in
Repair on a Liquid Cooled Generac generator.
Groton, CT 06340
Groton, CT - 10KW Generac Annual Air Cooled Service
Kevin W.
Kevin W. Checked in
10KW Generac Annual Air Cooled Service
Groton, CT 06340
Groton, CT - 22KW Generac Annual Air Cooled Service, replaced battery, 1 terminal, and air filter.
Kevin W.
Kevin W. Checked in
22KW Generac Annual Air Cooled Service, replaced battery, 1 terminal, and air filter.
Groton, CT 06340
Groton, CT - 10KW Generac Annual Air Cooled Service, replaced battery and 2 terminals
Kevin W.
Kevin W. Checked in
10KW Generac Annual Air Cooled Service, replaced battery and 2 terminals
Groton, CT 06355
Groton, CT - 20KW Generac Annual Air Cooled Service, replaced battery, 2 terminals, air filter, and installed oil warmer. Leased Generator
Kevin W.
Kevin W. Checked in
20KW Generac Annual Air Cooled Service, replaced battery, 2 terminals, air filter, and installed oil warmer. Leased Generator
Groton, CT 06355
Groton, CT - 22KW Generac Annual Air Cooled Service, replaced 2 battery terminals and air filter
Kevin W.
Kevin W. Checked in
22KW Generac Annual Air Cooled Service, replaced 2 battery terminals and air filter
Groton, CT 06355

GENERATORS ON DEMAND:

Your 24/7 Emergency Power Specialists

Peace of mind? Priceless.

Our factory trained team backs your unit and is available 24/7. We make sure your generator is properly installed and will continue to run whenever you need it.

GENERATORS ON DEMAND:

Your 24/7 Emergency Power Specialists

Peace of mind? Priceless.

Our factory trained team backs your unit and is available 24/7. We make sure your generator is properly installed and will continue to run whenever you need it.

What People Are Saying

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What People Are Saying

Leave Us A Review On Google