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

Avatar for MasPro Service
MasPro Service
5.0(
26
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving Kelso, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"He was patient and knowledgeable. He even cleaned up a little after the job and took away the old ceiling fan to recycle it for me. I hoped he could have explained a bit more of the fan's switch setting. It was a joy and relief finding MasPro Service to get the job done in less than a weeks time."
Generator Installs
Abrams remodel
Generator Installs
Abrams remodel
Cummins 13kw generator

+24

Response time12 hrs
Response rate100%
Recommended by39%of homeowners
Avatar for ASE, LLC
ASE, LLC
4.8(
16
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Kelso, WA and surrounding areas

Approved

In business since 2008

Free estimates

Small jobs welcome

"We needed to upgrade the electrical in our mobile home and add power to our garage/shop. I called ASE and spoke to Art. He was able to come out that day and give a bid. Also met me at my son's house later that day to check out an electrical issue. Bids were very acceptable and work was scheduled. Work at my son's was done a couple days later. I requested a later date due to prep work and 2 electricians arrived right on time. I had all new receptacles installed, ran 3 new circuits (AC, extra hot water tank and split a previous circuit), wiring ran for new ceiling lights, rerouting old wiring and neatening wires from a wall removal. Our little garage/shop had only 1 available receptacle for everything (freezer, lights, etc). Now we have 16 receptacles for 110 and a drop cord for 220. We are so happy! Equipment that has been sitting for years can now be used and no more blowing a breaker if too many amps are used. In the house I can plug in the vacuum without having to crawl under the table or move something to get to a receptacle. Art, Jerron and Hayden were great to work with. They all listened to us, made suggestions and accomplished everything we needed. Highly recommend!!!!!"
Response time2 days
19 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Safe Electric LLC
Safe Electric LLC
4.8(
41
)
Fixed Generator - Repair

Serving Kelso, WA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I called and asked them to come in and install some new light fixtures, right off the bat they were really polite. They came in the very next day, got the job done fast and did a beautiful job. Will be calling again if I need any other electrical work. Amazing workers and outstanding customer service."
New Construction
New Construction
New Construction
New Construction
New Construction

+15

Response time4 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Inline Electric, Inc.
Inline Electric, Inc.
4.2(
23
)
Fixed Generator - Repair

Serving Kelso, WA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

Inline Electric, Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests and make their concerns the basis of our business. \n

15 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Kellay Electrical Contractors, LLC
Kellay Electrical Contractors, LLC
4.3(
2
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Kelso, WA and surrounding areas

Approved

In business since 2012

Offers commercial services

Customers say: Quick response

We pride our company on reliability, great communication, integrity and quality work. We are experts in electrical and will do our best to keep you as educated as we can on your particular task or project. We look forward to working with you.

Response time11 hrs
13 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Truworx electric llc
Truworx electric llc
5.0(
1
)
Fixed Generator - Install

Serving Kelso, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"The installation was excellent, Kaden. He demonstrated a comprehensive understanding of his work and applied himself diligently. He even completed the task ahead of schedule. We were thoroughly satisfied with his service and wholeheartedly recommend him to anyone in need of electrical work."
New build
New build
New build
Low volt lighting
Low volt lighting

+2

12 neighbors recently requested a quote
Showing 1-10 of 27
Generator Install FAQs, answered by experts

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.

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.

A home that is 2,500 square feet will likely need a 20kW to 25kW generator. Consult your local generator installer to confirm the generator size needed to power your home before purchasing a new one. Be sure to consider how much power your necessary devices need to run.

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.

The Kelso, WA homeowners’ guide to generator installs

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