Home Generator Installation in Shoreham, NY

Power That Stays On When Everything Else Goes Dark

Your home stays protected during outages. No scrambling for flashlights, no losing food, no wondering when the lights come back on.

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Whole House Generator Installation Shoreham

What You Get With a Home Standby Generator

When the power goes out in Shoreham, you don’t even notice. Your refrigerator keeps running. Your sump pump stays active. Your HVAC system maintains temperature. Medical devices stay powered.

That’s what a whole house generator installation does. It kicks on automatically within seconds of an outage, runs on your existing natural gas or propane line, and keeps your home functioning exactly as it should.

You’re not rationing phone battery or throwing out hundreds of dollars in groceries. You’re not worrying about frozen pipes in winter or sweltering heat in summer. Long Island gets hit with storms that knock out power for hours or days. Wind gusts over 60 mph, heavy rain, downed trees—it happens regularly. A backup generator installation in Shoreham means you’re ready before the next one hits.

Generator Electrician Shoreham, NY

Licensed Electricians Who've Done This Since 2004

We’ve been installing home standby generators across Suffolk County for over 20 years. We’re fully licensed and insured, and we’ve earned the Angie’s List Super Service Award seven years running.

Shoreham homeowners have high standards. Median property values here sit above $700,000, and nearly 98% of residents own their homes. You’re not looking for the cheapest option—you’re looking for the right one.

We give you upfront pricing before any work starts. No surprise bills. Our electricians show up in company-branded vehicles and uniforms, and we guarantee every installation. If something needs attention, we’re available 24/7 for emergency service.

House Generator Installation Process Shoreham

Here's How Your Whole Home Generator Gets Installed

First, we come to your home for a free estimate. We’ll assess your electrical panel, determine your power needs based on square footage and essential systems, and recommend the right size generator. Most homes in Shoreham need a 20kW to 24kW unit to cover HVAC, appliances, and critical circuits.

Next, we handle the permits and coordinate with your local utility if needed. We install the generator on a concrete pad outside your home, connect it to your natural gas or propane line, and wire it to your electrical panel through an automatic transfer switch. That switch is what detects an outage and signals the generator to start.

Once everything’s installed, we test the system to make sure it activates properly and runs smoothly. We walk you through basic operation and maintenance schedules. The whole process typically takes one to two days depending on your home’s setup. After that, your backup generator installation in Shoreham is live and monitoring your power 24/7.

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About Marra Electric

Generac Whole House Generator Shoreham

What's Included in Your Generator Installation

You get a complete whole house generator installation from start to finish. That includes the generator unit itself—we typically install Generac whole house generators, which are the most reliable and widely serviced brand available. You also get the automatic transfer switch, all necessary wiring, the concrete pad installation, and connection to your fuel source.

We pull all required permits in Shoreham and handle inspections. You don’t coordinate anything. We also provide a full system test before we leave and a walkthrough of how everything operates.

Shoreham sits on the North Shore of Long Island, where coastal weather patterns bring frequent storm activity. Homes here often have well water systems and sump pumps that can’t afford to lose power. A whole home generator installation protects those critical systems along with everything else in your house. Most installations range between $13,000 and $16,000 depending on generator size and site-specific requirements. We’ll give you an exact price during your free estimate—no guessing, no upselling.

How long does a home standby generator installation take in Shoreham?

Most home standby generator installations in Shoreham take one to two days. Day one usually involves setting the concrete pad, positioning the generator, and running electrical and fuel lines. Day two covers the transfer switch installation, final wiring, system testing, and inspection.

If your electrical panel needs an upgrade to handle the generator load, that adds time. Same goes for trenching if your gas line is far from the installation site. We’ll tell you the timeline during your estimate so you know exactly what to expect.

Weather can delay outdoor work, but once we start, we finish efficiently. You’ll have backup power up and running faster than you think.

What size whole house generator do I need for my Shoreham home?

Most homes in Shoreham need a 20kW to 24kW generator. That covers your HVAC system, refrigerator, freezer, well pump, sump pump, lights, and several other circuits. If you have a larger home—say over 3,000 square feet—or run multiple high-draw appliances, you might need a 26kW or larger unit.

The calculation depends on your total electrical load and which systems you consider essential. Some homeowners want whole-house coverage. Others prioritize critical circuits and save on generator cost. We measure your panel, review your usage, and recommend the right size based on real numbers—not guesses.

Undersizing a generator means it won’t handle your load during an outage. Oversizing wastes money upfront and on fuel. We size it right the first time.

How much does a whole house generator cost in Shoreham, NY?

A complete whole house generator installation in Shoreham typically costs between $13,000 and $16,000. That includes the generator, transfer switch, installation labor, concrete pad, permits, and connection to your fuel source.

Smaller generators in the 14kW to 18kW range can run closer to $10,000 to $12,000. Larger units—26kW and up—can push toward $18,000 or more depending on your home’s electrical setup and site conditions.

Financing is available if you prefer monthly payments instead of paying upfront. Some homeowners finance for around $109 per month. We give you the full cost during your free estimate so you can decide what works for your budget. No hidden fees, no surprise charges after the fact.

Do I need a permit for a backup generator installation in Shoreham?

Yes, you need a permit for a backup generator installation in Shoreham. The town requires electrical and building permits to ensure the installation meets code and safety standards. If you’re connecting to a natural gas line, there may be additional utility coordination.

We handle all permitting for you. You don’t visit town hall or deal with inspectors. We pull the permits, schedule inspections, and make sure everything passes before we consider the job complete.

Skipping permits might seem like a shortcut, but it creates problems when you sell your home or file an insurance claim. Inspectors verify that your transfer switch is wired correctly and your generator is safely installed. It protects you, and it’s required by law.

Will a home generator increase my property value in Shoreham?

Yes, a home standby generator can increase your property value by 3% to 5%, and some sources report up to a 150% return on investment. In Shoreham, where the median home value is over $700,000, that’s a significant boost.

Buyers in high-value markets expect backup power, especially in areas prone to outages. A generator signals that your home is well-maintained and prepared for Long Island’s weather patterns. It also reduces perceived risk, which can lead to faster sales and stronger offers.

Some insurance companies offer discounts—around 5%—for homes with standby generators because they’re less likely to suffer damage during extended outages. That saves you money every year while you own the home, not just when you sell.

How often does a whole home generator need maintenance in Shoreham?

Your whole home generator needs maintenance once or twice a year depending on usage and manufacturer recommendations. Most Generac whole house generators require annual service, which includes an oil change, filter replacement, battery check, and system test.

If your generator runs frequently due to regular outages, you might need service every six months. The unit self-tests weekly to make sure it’s ready when you need it, but that doesn’t replace professional maintenance.

We offer maintenance plans that keep your generator in top shape. Regular service extends the lifespan—most generators last 15 to 20 years with proper care. Skipping maintenance voids warranties and increases the chance of failure during an actual outage, which defeats the whole purpose of having backup power.

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Shoreham, NY is located in Suffolk County in New York State

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