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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon32
    Verified generator installs reviews

Verified Reviews for Generator Install pros in Millersville, MD

*The Angi rating for Generator Install companies in Millersville, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Millersville, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on June 12, 2026

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

Green's Electric
5.0(
25
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Millersville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"It went great! Professional, quick to call and discuss the request. What I like the most was their genuine interest in helping me fast. They gave me an estimate the same day and the job was performed in less than 48 hours. I would definitely hire Green Electric for my future requirements. Thanks Mr. Darnell!"
Response time1 day
Response rate100%
26 neighbors recently requested a quote
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Avatar for Wireworx Electric Inc
Wireworx Electric Inc
4.9(
147
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Millersville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"They very quick and neatly installed an EV charger at our home. Very knowledgeable about chargers."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 days
Response rate89%
2 neighbors recently requested a quote
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Avatar for All In Electric
All In Electric
4.9(
36
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving Millersville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"I have used All in Electric for several jobs and their work is above the status quo. They are always on time, and they care about not only their customers, but the quality of their work. I most recently used them to install a level 2 EV home charging station which was complicated due to the amount of work that was required for the wire installation, and they knocked it out of the park!"
(2) Automatic Transfer Switches next to the (2) main electrical panels.
Here is a 22kw Generac Standby Generator.
A 24kw Guardian Series Generac generator sitting on top of a 3" concrete pad.
The RED light will turn GREEN after AIE activates in through Generac.
Whole House Standby Generator System

+51

Response time1 day
Response rate99%
14 neighbors recently requested a quote
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Avatar for Clinton Electric Co Inc
Clinton Electric Co Inc
4.6(
177
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Millersville, MD and surrounding areas

Approved

In business since 1969

Emergency services offered

Warranties offered

"Installed generator and provide maintenance agreement."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time1 day
Response rate100%
7 neighbors recently requested a quote
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Avatar for Duke's Electrical Services, Inc.
Duke's Electrical Services, Inc.
4.9(
310
)
Portable Generator - Install

Serving Millersville, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"Mark was able to provide a quote and the service in the same week. He was extremely professional and efficient. He completed two ceiling fan installs."
Recess light install
Recess and fan install
Recommended by90%of homeowners
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Avatar for Bailey & Shipp Electric
Bailey & Shipp Electric
4.1(
82
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Millersville, MD and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"My overall experience was great. Customer service and Electrician were top notch. They responded to my home for electrical emergency within 45 minutes from Millersville to Upper Marlboro at 10pm . Bailey & Shipp are on my speed dial and come highly recommended."
3 recessed lights
Single Recessed Light
Custom Bathroom Wiring
chandelier
Panel Replacement After

+8

Response time10 hrs
5 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Mr. Electric of Baltimore
Mr. Electric of Baltimore
5.0(
11
)
Fixed Generator - InstallPortable Generator - Install

Serving Millersville, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"I used Mr. Electric of Baltimore to install new ceiling fans and rewire the electrical switches throughout my home. The technician was punctual, very knowledgeable and the quality of work was amazing."
Gallery
Gallery
Gallery
Gallery
Gallery

+3

15 neighbors recently requested a quote
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Avatar for Artisan Electrical LLC
Artisan Electrical LLC
4.6(
21
)
Fixed Generator - Install

Serving Millersville, MD and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Very friendly from the technician to the secretary. They got me in fast worked with my schedule and got out fast. They also mounted my ring doorbell.. Excellent service and the price was awesome"
Fixed Generator Install
Fixed Generator Install
Fixed Generator Install
Fixed Generator Install
Fixed Generator Install

+2

Response time1 day
9 neighbors recently requested a quote
Recommended by68%of homeowners
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Generator Install FAQs, answered by experts

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

Many services include assembling the unit and securing it in the window. Confirm with your provider.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

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.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

The Millersville, MD homeowners’ guide to generator installs

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

See all articles