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TRUSTED BY NEWCASTLE, OK HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon15
    Verified generator installs reviews

Find Generator install pros in Newcastle

Whelans Electrical Services
New to Angi
Portable Generator - Repair

Serving Newcastle, OK and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Offers commercial services

At Whelan Electrical Services, we are committed to providing safe, reliable, and high-quality electrical solutions for residential and light commercial customers. With years of hands-on experience in electrical construction, maintenance, troubleshooting, and service work, we take pride in delivering honest recommendations, exceptional workmanship, and outstanding customer service.\nWhether you need electrical repairs, panel upgrades, lighting installation, generator connections, EV charger installation, troubleshooting, or new electrical installations, we approach every project with professionalism, attention to detail, and a commitment to safety. Our goal is to complete every job correctly the first time while exceeding customer expectations.\nWhen you choose Whelan Electrical Services, you’re choosing dependable service, transparent communication, and quality work you can trust.

Avatar for Wedgeco LLC
Wedgeco LLC
4.9(
28
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Newcastle, OK and surrounding areas

In business since 2001

Free estimates

"Great experience from start to finish! I would be happy to recommend his services to family and friends. Throughout the process he was punctual and communicative, I was always well informed what was happening. During installation of the panel he discovered a bad meter box that needed to be replaced, it was unavoidable. He was able to complete both repairs in a timely manor. Due to what work was performed a state inspection was required. it passed with no issues. For me, the whole experiences was great, I never felt pressured into any repairs that were out of the scope of what I was asking for. 5 stars from this guy!"
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+1

Recommended by100%of homeowners
GENERATOR SUPERCENTER
4.2(
36
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Newcastle, OK and surrounding areas

In business since 1980

Free estimates

Credit card accepted

"The electricians and plumbers were very professional in their demeanor. They worked as a team, everyone knew what to do and how to do it. They answered all my questions, but didn't let that distract them from their job. I was impressed with the speed of the installation. They cleaned up after themselves and took their trash with them."
Response time3 days
Recommended by100%of homeowners
Avatar for Active Electric LLC.
Active Electric LLC.
5.0(
10
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Newcastle, OK and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"Outstanding! I have never had such professional and courteous and quick assistance from any other company in the 15 years I have lived in this area. I highly recommend Justin and his company, active electric!!"
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+4

Response time1 day
Response rate100%
Recommended by80%of homeowners
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Generator Install questions, answered by experts

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

The Newcastle, OK homeowners’ guide to generator installs

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