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TRUSTED BY UPPERCO, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon20
    Verified generator installs reviews

Find Generator install pros in Upperco

K&K Electric
4.9(
36
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Upperco, MD and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"L I put request on Home advisor/Angie's list. Out of all the request this is the only company that responded to my request. Not only did he respond within 30 minutes, he came out the same day, installed my ceiling fan, and finished everything up within one hour. Most kind efficient, professional, and very knowledgeable company. I would definitely use them anytime and every time. Thank you so much, Kevin."
Response time5 hrs
1 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Clinton Electric Co Inc
Clinton Electric Co Inc
4.6(
173
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Upperco, MD and surrounding areas

Approved

In business since 1969

Emergency services offered

Warranties offered

"Clinton Electric is a very professional organization: responsive, efficient, quality materials, excellent workmanship and a reasonable price. Jordan Mayer, the electrician, who performed the installation was outstanding. I highly recommend this company."
Additional Photos
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+2

Response time1 day
Response rate100%
11 neighbors recently requested a quote
Avatar for Rollins Repair
Rollins Repair
4.7(
56
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Upperco, MD and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"He found an electrical problem that Potomac Edison arrived to do a emergency repair. It was a fire hazard. So thankful he found the problem and did an excellent install with our Generator."
 Air Cooled Generator
 30KW Quitesoure
 Residential Installation
 20KW Air Cooled
 Another Residential Installation

+6

Response time9 hrs
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Electrical USA, Inc.
Electrical USA, Inc.
4.3(
42
)
Fixed Generator - Repair

Serving Upperco, MD and surrounding areas

Approved

In business since 1986

Free estimates

Credit card accepted

"I contacted Mr. Denny for a whole house generator that would not stay running and it had been down for a year or so. Once the weather cooperated he came to the property and did the repairs in a very timely manner. We were kept in the loop and the repairs needed were explained. We were happy with the work and communication with Mr. Denny and would recommend him and his company. We look forward to working with them for many years to keep our generator in tip top shape! Thank you again!"
Response time4 days
74 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Robert Likens Electric
Robert Likens Electric
4.7(
618
)
Portable Generator - Install

Serving Upperco, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Emergency services offered

Warranties offered

"Hired Robert for installation the transfer switch. Installation was successful. Robert is a professional highly qualified electrician. explained exactly how it works. The whole process from proposal to installation took less than a week. Now, if any electrical work is needed, I will always call him because for the quality. I will also recommend it to my friends. Thank you very much for your work!"
 Ceiling Fans
 200 Amp Panel Install
 Ceiling fans
 Townhouse Rehab
 Rough IN

+8

Response time6 hrs
Response rate88%
1 neighbors recently requested a quote
Avatar for Benfield Electric Co., Inc.
Benfield Electric Co., Inc.
4.7(
12
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Upperco, MD and surrounding areas

Approved

In business since 1968

Warranties offered

Small jobs welcome

"Things went well. Russ Piper came out and met with me - to see what the project entailed. Meeting went well, I fully understood what they were going to do. I got a quote back quickly and moved forward with it.   When the plumber (Plumb Crazy)came out to see what needed to be done, I had some options .  I decided to have a higher service line brought into the home - now BGE is involved.   Without further stories - it took many weeks to get BGE to install the higher service, Throughout, this process, Benfield and the plumber where checking in with me for progress.  And when the inspections where all complete - they came right out and finished the installation."
Additional Photos
Additional Photos
Response time1 day
Response rate100%
9 neighbors recently requested a quote
Avatar for Calvary Electric LLC
Calvary Electric LLC
5.0(
13
)
Fixed Generator - Install

Serving Upperco, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"They did a great job capping the live wires from a wall we tore down and got our recessed lighting in the basement working with the switches. Reasonable priced and professional. Very considerate of the space and timely in completion."
Whole House Generator
Kitchen Remodel
Kitchen Remodel
Additional Photos
Additional Photos

+13

Response time4 days
Response rate100%
5 neighbors recently requested a quote
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Generator Install questions, answered by experts

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

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.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

The Upperco, MD homeowners’ guide to generator installs

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