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Sanderson Electric
4.8(
30
)
Fixed Generator - InstallPortable Generator - Install

Serving Middleton, ID and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"1776 Electrical did an excellent job. The bid was reasonable and they gave me options for materials and lights. They keep updated in their field and suggested upgrades to our lights that will save us money and time. They completed the job quickly and worked cleanly. We enjoyed having them in the house. I will hire them again."
2 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Mr. Electric of Meridian
Mr. Electric of Meridian
5.0(
12
)
Fixed Generator - InstallPortable Generator - Install

Serving Middleton, ID and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

Mr. Electric of Meridian is a locally owned and operated business. Since 1994 our licensed electricians have handled any home or any commercial electrical repairs, installations and upgrades. We are known for our world-class customer service and our expert workmanship. We care about getting the job done right the first time. Our service professionals will arrive at your door on time and complete your projects on time. Before our electricians start work, you will receive a detailed, complete estimate. We want to make sure all of your questions are answered and your concerns are addressed. You can trust the professionals at Mr. Electric because our technicians are subject to background checks and license registrations. Don't trust your home or business to a fly-by-night handyman. When you have an electrical emergency, you can call us 24/7 to keep your family and employees safe no matter where you are in the Meridian area.

Accent Lighting
Accent Lighting
Accent Lighting
Heat lamp
New Space Electrical Work

+8

Response time3 hrs
8 neighbors recently requested a quote
Recommended by45%of homeowners
Avatar for Todd's Electrical & Technology Services, LLC
Todd's Electrical & Technology Services, LLC
4.8(
17
)
Portable Generator - Install

Serving Middleton, ID and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Warranties offered

"Todd is the ONLY electrician I will ever use in the future. He is friendly, intelligent, punctual, honest and a pleasure to do business with. Everything Todd did was up to code, works flawlessly and looks phenomenal. Call Todd and thank me later!"
My jobs
My jobs
My jobs
My jobs
My jobs

+9

Response time10 mins
18 neighbors recently requested a quote
Recommended by26%of homeowners
Avatar for Local Wire Nutz, LLC
Local Wire Nutz, LLC
4.9(
17
)
Fixed Generator - Install

Serving Middleton, ID and surrounding areas

In business since 2018

Free estimates

Warranties offered

"We thought our problem was a dead outlet, however Lee and Dave determined it was a GFI outlet that somehow got tripped. Lee and Dave checked all the GFI outlets and found the one that was the cause of our problem. They easily could have lied to us and said to change all the GFI outlets but they didn't. This exhibit of honesty and true professional is not lost on us. We will definitely recommend them and use them in the future."
Response time1 day
Recommended by100%of homeowners
Z & C Electrical
4.8(
16
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Middleton, ID and surrounding areas

In business since 2020

Emergency services offered

"They were super nice and great to work with. They came out for a different issue and I asked when we could schedule the installation of a new circuit in the garage. They said they had time right then and installed it while they were here. Flexible and dependable. I would and will hire again."
New fan & light
Beginning of extension of receptacle
Ceiling fixture
Close up of new fan
New receptacles extended from old location

+18

Recommended by93%of homeowners
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Generator Install questions, answered by experts

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

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.

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 Middleton, ID homeowners’ guide to generator installs

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