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Verified Reviews for Generator Install pros in Keyport, NJ

*The Angi rating for Generator Install companies in Keyport, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Keyport, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on October 03, 2026

Top-Rated Generator install pros in Keyport - Updated Nov 2026

Avatar for Green Sun Energy Services, LLC
Green Sun Energy Services, LLC
5.0(
73
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+2 more

Serving Keyport, NJ and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Glen and his team were prompt and professional during both installation and annual maintenance. We lost power during the last hurricane and the generator worked perfectly. Pricing was very good and Glen was even able to get me an extended warranty (promo from Generac). I would recommend Green Sun."
Ruisi
Oceanport
Additional Photos
Additional Photos
Additional Photos

+55

Response time5 days
Response rate100%
9 neighbors recently requested a quote
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Avatar for Kingdom Electric
Kingdom Electric
4.7(
258
)
Fixed Generator - InstallPortable Generator - InstallFixed Generator - Repair+4 more

Serving Keyport, NJ and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Lights were installed with good efficiency. However, caulking around outside light was extremely messy."
Additional Photos
Response time11 hrs
11 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Pressey Electrical Services, LLC
Pressey Electrical Services, LLC
4.8(
23
)
Fixed Generator - RepairGenerator - Install - For BusinessGenerator - Repair - For Business+2 more

Serving Keyport, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"Matt was the greatest!! He stuck with fixing a generator that had some difficult problems. He was a great guy and I really can’t say enough good about his skills and his professionalism."
Response time4 hrs
Recommended by10%of homeowners
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Avatar for Spartan Home Pros
Spartan Home Pros
5.0(
30
)
Portable Generator - InstallGenerator - Install - For BusinessGenerator - Repair - For Business

Serving Keyport, NJ and surrounding areas

Approved

In business since 2023

Emergency services offered

Credit card accepted

"The electrician from Electric Wire LLC. Was able to installed my Home EV Charger efficient. The price was kind of steep for the amount of work and materials used."
Service upgrades
Service upgrades
EV Charger Installation
Landscape lighting
Landscape lighting

+16

10 neighbors recently requested a quote
Recommended by54%of homeowners
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Avatar for ILL Electrical Services
ILL Electrical Services
5.0(
10
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+2 more

Serving Keyport, NJ and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Renaldo was professional, came on time and did a great job. He installed 2 ceiling fans , installed multiple gfi outlets and upgraded wiring to the panel box. Wonderful service! He thoroughly explained the job and I will definitely call him again."
100 amp meter replacement
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Response time7 hrs
Response rate91%
5 neighbors recently requested a quote
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Avatar for A Shore Thing Electric, LLC
A Shore Thing Electric, LLC
4.7(
51
)
Portable Generator - Install

Serving Keyport, NJ and surrounding areas

Approved

In business since 2016

Free estimates

Small jobs welcome

"Communicated with Michael through email without any issues. Signed an agreement for work to be done and pricing. Michael scheduled a day and time and arrived exactly at the time he said. He installed two new lights on the front of my house in about an hour. Nice guy! Highly recommend!"
Pharmecutical Cage Panel
Panel Change
125 Amp Panel
Tesla S/X/3 Car Charger
Remote Controlled Ceiling Fan

+22

Response time1 day
1 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for Cardinal LLC
Cardinal LLC
5.0(
5
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Keyport, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Cardinal Electric is a full-service electrical contractor based in Sayreville, NJ, serving homeowners across Middlesex, Monmouth, and surrounding counties. We specialize in the projects that protect your home and raise its value: electrical panel replacements, 200A+ service upgrades, whole-home standby generator installations, Level 2 EV chargers, and electrical for kitchen, bath, basement, and addition renovations.\nOur licensed electricians handle everything from permits and utility coordination to inspection and cleanup, so you get a code-compliant installation and a single point of contact from estimate to final sign-off. We give clear, written pricing up front, show up when we say we will, and leave your home cleaner than we found it.\nWith commercial and industrial divisions behind us, we bring that same engineering discipline and safety standard to residential work. If you want it done right the first time by a team that stands behind its work, request a quote today.

24 neighbors recently requested a quote
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Avatar for MM Home Service
MM Home Service
4.1(
50
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Keyport, NJ and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Showed up 3hrs late. Communication could have been better. Very friendly installer."
New Toilet Flange
Old Toilet Flange
AO Smith Proline
Outdoor Generator Installation
stairlift from bottom

+6

Response time6 hrs
Response rate90%
15 neighbors recently requested a quote
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Generator Install FAQs, answered by experts

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

Setting up utilities on a vacant property usually takes at least a few months, or between 6 weeks to 16 weeks. This process requires working with the local planning and zoning department, hiring a building contractor or engineer to design the utility layout, securing permits, laying the lines, and connecting the utilities.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

The Keyport, NJ homeowners’ guide to generator installs

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

See all articles