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Avatar for Smith Power Group, Inc.
Smith Power Group, Inc.
5.0(
19
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Salem, NJ and surrounding areas

Approved

In business since 2011

Free estimates

Offers commercial services

"Working with Smith Power Group, Inc. was a very rewarding and mutually beneficial experience. The owner, Carlton, sat with us and explained the entire process and answered all of our questions. The office kept us informed concerning the necessary paperwork, permits, etc. On the day of installation the crew arrived on time and proceeded to install our generator without issues. We highly recommend SPG."
Generator/ Propane
Generator 10kw
Solar Deptford
My Work
My Work

+3

Response time2 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Raynor Services - Electrical/Generators
Raynor Services - Electrical/Generators
4.5(
162
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving Salem, NJ and surrounding areas

Approved

In business since 1993

Free estimates

Credit card accepted

In 1993, Tom Raynor began taking on electrical construction and service jobs across southern New Jersey. With just one assistant and one beat-up truck, Tom crisscrossed the state, building a reputation for his small outfit as one that offered professional, hands-on service and reliable, high-quality results. By 1994, it was official—Raynor Services was born! \n\nSince then, that red pick-up has been upgraded to a fleet of ten fully stocked trucks. We are now a “one-stop shop” service company, specializing in electric, heating, cooling, and generator services. Raynor Services has never lost the spirit of professional, hands-on service that it was founded on. Family-owned and operated, we combine small-business service with big-business expertise. \n\nRaynor technicians are among the best in the industry. Each must complete a rigorous hiring process – including a background check, a drug test, and an HVAC or electrical proficiency examination.

Raynor Services
Raynor Services
Raynor Services
Raynor Services
Raynor Services

+15

Recommended by86%of homeowners
George Sparks Electric, LLC
4.6(
45
)
Fixed Generator - InstallPortable Generator - InstallGenerator - Install - For Business

Serving Salem, NJ and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I was so impressed. I had excellent service. I had my entrance cable (I think that is what it is called) and they installed a new fuse box. I lived in my house for 31 years and I have no idea how old my fuse box was but I was pulling 70 that how old it was not to mention it must have been a back yard electrician that put it in They did a great job at a great price. Thank You George Sparks Electric. I am very grateful for you service."
Response time2 days
6 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Spotlight Solar, LLC
Spotlight Solar, LLC
4.7(
150
)
Portable Generator - Install

Serving Salem, NJ and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"the job was complicated because another installer had left connections from heated floor tiles in the wrong place Chris and Joe and Anthony had to do a lot of adapting to get connections made I felt that they did an excellent,difficult job."
Response time1 day
413 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Harris Plumbing, Heating, Air & Electrical
Harris Plumbing, Heating, Air & Electrical
3.9(
49
)
Fixed Generator - InstallFixed Generator - Repair

Serving Salem, NJ and surrounding areas

Approved

In business since 1988

Credit card accepted

Customers say: Quick response

"We received excellent service from NILES HULL, who performed a pipe repair for a hose attachment in our driveway. The job was $533, and was done well, with pleasant, knowledgeable service. I highly recommend Harris as we've used them for many plumbing and electric projects in recent years. NILES HULL was knowledgeable, caring, and attentive to detail. They stand behind their work. Claudia Kienzle"
Team
Team
Team
Truck
Truck

+8

Response time1 day
403 neighbors recently requested a quote
Recommended by29%of homeowners
Jason John
New to Angi
Portable Generator - Repair

Serving Salem, NJ and surrounding areas

Approved

Emergency services offered

Warranties offered

Small jobs welcome

Jason John Electrical Services provides premium maintenance and troubleshooting for homes and small businesses. We specialize in diagnosing electrical problems, repairs, outlets/switches, lighting, ceiling fans, and breaker/tripping issues. Customers choose us for fast, reliable scheduling, safety-first workmanship, clean professional finishes, and clear communication from estimate to completion. Service area: Philadelphia and surrounding areas (up to 40 miles). Available weekends and weekdays 9:00 AM–2:00 PM by appointment.

Distribution Panel
Disconnect Switch
3 Phase Distr Panel
Conduit Installation
Electrical Projects

+1

Blue line electric Llc
New to Angi
Portable Generator - Repair

Serving Salem, NJ and surrounding areas

Approved

Hello!\n\nI am a reliable, hardworking, and motivated professional committed to delivering high-quality work and excellent results. I have strong communication and organizational skills, pay close attention to detail, and always strive to meet deadlines.\n\nI am eager to learn new skills, adapt to different projects, and provide the best possible service to my clients. My goal is to build long-term professional relationships based on trust, professionalism, and customer satisfaction.\n\nThank you for visiting my profile. I look forward to working with you and helping you achieve your goals!

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Generator Install questions, answered by experts

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

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.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial installation costs, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator. 

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

The Salem, NJ homeowners’ guide to generator installs

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