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Top-Rated Generator install pros in Neptune Beach - Updated Nov 2026

Avatar for Colson's Electrical Services LLC
Colson's Electrical Services LLC
5.0(
30
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Neptune Beach, FL and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"William was prompt, set expectations and followed through and educated us on the need for a Surge Protector. He came for a quote but was able to install the EV charger quickly and cleanly same day. He is very knowledgeable about the EV market and was in and out quickly. Great experience all around. Highly recommend!!"
22 neighbors recently requested a quote
Power & Control Installations, Inc.
4.3(
181
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Neptune Beach, FL and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"Actually, Power and Control Installations did much more than install electrical switches, outlets and fixtures. They installed a new 20 amp breaker, and ran wiring 60 feet underground to my new shed. The electrician they sent out was very professional, courteous, and answered all my questions. The work was completed to my satisfaction. I would highly recommend this company to others."
Response time1 day
Response rate91%
9 neighbors recently requested a quote
Avatar for Bill Fenwick Plumbing, Inc.
Bill Fenwick Plumbing, Inc.
4.5(
789
)
Fixed Generator - InstallFixed Generator - Repair

Serving Neptune Beach, FL and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

Bill Fenwick Plumbing, Inc. is a Jacksonville, Florida, business that has been offering service to its customers for 40 years. We are a customer-oriented company that arrives on time, uses only quality parts and does the work right the first time. \n \nWe value your opinion and realize that you may have additional questions. Please take a moment to complete our form for more information, quotes, or appointments, and someone from our staff will contact you as soon as possible.

2 neighbors recently requested a quote
Recommended by88%of homeowners
The Generator Guys
4.8(
13
)
Fixed Generator - InstallFixed Generator - Repair

Serving Neptune Beach, FL and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"Installation was professional and neat. Jim Scites (owner) is extremely knowledgable on Generac products and on electrical codes and procedures. Nationwide is a top notch electrical contractor and a certified Generac installation/service/maintenance dealer/contractor."
Response time2 days
Response rate100%
11 neighbors recently requested a quote
Avatar for Generx Generators
Generx Generators
4.5(
246
)
Fixed Generator - Install

Serving Neptune Beach, FL and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Totally happy. Just had my Generator hook-up today and everything went well. I would recommend them. Communication was excellent from the time I asked for a quote. They were on time that day for the quote and showed up on time for each faze of the installation. They left the work area as clean as when they found them. Totally Happy."
Generac 20kw
Setting a large commercial generator gently in pl
We're the #1 Generac home standby installer
Flood zones require elevated generator platforms
Generac 22kw

+4

5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Mister Sparky of Jacksonville
Mister Sparky of Jacksonville
4.3(
372
)
Fixed Generator - InstallPortable Generator - Install

Serving Neptune Beach, FL and surrounding areas

In business since 2014

Emergency services offered

Warranties offered

"June-July 2020: I had (3) projects completed by Damon/Mike of Mr. Sparky's. The first job was installing a GIFI switch on the front porch. The second job was supposed to be installing an interlock switch in my main electrical panel for my generator (though due to the age of the panel we settled for an exterior recessed plug outlet). The third job was running an electrical feed and installing a sub-panel into my workshop. During these three projects we had some glitches (as in this kind of work happens frequently). But, Damon, Mike and the Sparky Management made them all good and I would recommend Sparky to others because of their willingness to bend, good work quality and desire to provide overall customer satisfaction. During the process all the workers were courteous and knowledgeable!"
Mister Sparky
Mister Sparky
Mister Sparky
Mister Sparky
Bedroom lighting

+16

Response time7 hrs
Recommended by93%of homeowners
Alan Waters Electric, Inc.
4.5(
51
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Neptune Beach, FL and surrounding areas

In business since 2009

Free estimates

"Alan was very knowledgeable and helpful. He took time to answer all questions I had about other electrical issues in my home. The ceiling fans he installed work great and my kids love them. I will definitely recommend Alan Waters Electric, Inc. to anyone needing a highly professional electrician."
Recommended by100%of homeowners
Showing 1-10 of 49
Generator Install FAQs, answered by experts

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

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.

If you’re wondering if you can use your electric vehicle as a backup battery, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

The Neptune Beach, FL homeowners’ guide to generator installs

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