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TRUSTED BY WHITE PLAINS, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon18
    Verified generator installs reviews

Top-Rated Generator install pros in White Plains - Updated Nov 2026

Technician Engineers Group
3.7(
15
)
Generator - Install - For Business

Serving White Plains, MD and surrounding areas

Approved

In business since 1996

Offers commercial services

Customers say: Quick response

"Anthony and his team do expert electrical work of all kinds. We are a 145 year old non-profit organization with buildings and grounds, and have contracted with Technician Engineers Group (TEG) on two large projects (and several small ones) over the last 15 years. One project rewired a large 125 year old building listed on the National Register of Historic Places, and one installed an extensive outdoor lighting system. In these two unusual situations TEG worked closely with us to find innovative solutions to our unique needs. We are very pleased with the results, enjoyed their can-do approach, and highly recommend this company for any electrical challenge. We found TEG reliable, honest, on time, and all the work was completed ahead of schedule."
4 neighbors recently requested a quote
Recommended by53%of homeowners
Calvert Generator
New to Angi
Generator - Install - For Business

Serving White Plains, MD and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Calvert Generator 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 customers' interests, and make their concerns the basis of our business. \n

Response time10 hrs
Frequency Enterprise
3.5(
1
)
Generator - Install - For Business

Serving White Plains, MD and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

We offer over 15 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels, as well as wiring and panel upgrades, and a variety of other jobs. We are committed to providing personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients, and guarantee your satisfaction.

Response time6 hrs
Recommended by100%of homeowners
Avatar for Ethridge Electric & Generator Services
Ethridge Electric & Generator Services
4.8(
33
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Repair - For Business

Serving White Plains, MD and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"Ron Ethridge has been our Electrician of chose for the past three years. I started out using Ron to service my generator after the warranty lapsed. Heâ  s provided that big company expertise with that small organization connection. Since that time Ron and his team have provided electrical services for our entire home. I feel comfortable leaving Ron in our home while weâ  re away which is a huge feat for me particularly. Iâ  m grateful for the service that Ron and his team continues to provide to our family."
Panel Change/Heavy Up
Panel Change/Heavy Up
Panel Change/Heavy Up
Recessed Lighting
Recessed Lighting

+1

Response time2 hrs
Recommended by100%of homeowners
A & J Little Electrical Services, LLC
4.6(
19
)
Generator - Install - For Business

Serving White Plains, MD and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"They want to work and get pay by hour,but have an open end,I don't want to pay too much to working on a few hundreds dollar generator,and then if he can't not fix after 2 hrs,what can I do?still have to pay $200.00(or more) for nothing.I think if they have a quote for the job,it will be better.(note:my generator is almost new,use less than 1/2 hrs)"
Response time1 day
Recommended by94%of homeowners
Avatar for Dynatemp Inc
Dynatemp Inc
4.0(
148
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving White Plains, MD and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"Very professional service.  The sale person came to verify the scope of work and provided us with a detailed quote. We scheduled the installation soon after. We had only a minor issue, becuase when the technical crew came in they realized that more work was needed (but no change in the quote). We rescheduled the installation a week after and everything went very well. The sale person remained our point of contact before, during and after the installation and he performed a follow up visit to make sure everything was fine. The technical crew was also very professional.  I would reccomend them for sure.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Recommended by86%of homeowners
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Generator Install FAQs, answered by experts

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.

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.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

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.

The White Plains, MD homeowners’ guide to generator installs

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