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Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)
Fixed Generator - InstallPortable Generator - Install

Serving Oceanside, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

"Sergio did a fantastic job! Very happy with the clean install of my tier 2 charger and he added a plug down below my panel. Would recommend for any sort of EV charging installs! Clear communicator, showed up when he said he would and his services were well-priced!"
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade

+1

1 neighbors recently requested a quote
Avatar for Luminous Quality Electric Inc
Luminous Quality Electric Inc
5.0(
34
)
Portable Generator - Install

Serving Oceanside, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"I worked with Obed on this project. He was friendly, responsive, and very professional. He helped me install a new circuit and outlet for an EV charger, along with some other light electrical work. His price was fair and competitive with other bids I received, and the work was completed timely and competently. I will reach out to him again for any electrical needs."
Response time6 hrs
Response rate93%
53 neighbors recently requested a quote
Avatar for JP3 Electric
JP3 Electric
5.0(
25
)
Fixed Generator - InstallPortable Generator - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Installed new attic fan and removed old fan . Added and wired 2 new 20 Amp Circuits. Great job- fair price. I recommend Justin and DJ 100%. Fair - honest - they know what they are doing. Will be using them for all future electric work!"
Panel
Outlet
Panelboard
Panelboard
Kitchen Lighting

+3

11 neighbors recently requested a quote
Keil Electric LLC
5.0(
10
)
Fixed Generator - Install

Serving Oceanside, CA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

Keil Electric San Diego is a licensed electrical contractor (California #1109913) serving San Diego County from our Santee shop. Andy Keil and the local team handle residential and commercial work across Chula Vista, El Cajon, La Mesa, Santee, Coronado, and the rest of the county.

7 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Electrical Insight, Inc
Electrical Insight, Inc
4.5(
46
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Oceanside, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and expectations of our customers, we take great care to work, and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects

+42

2 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Electrical Insight, Inc.
Electrical Insight, Inc.
4.5(
46
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Oceanside, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"They installed a 50 amp plug in my garage to connect an EV charger. I was afraid that the installation may require a panel upgrade. But he made it work without the upgrade. The price was good and the work was done quickly. Great job. Would hire them again."
Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects
Electrical Projects

+45

Response time1 day
Response rate92%
3 neighbors recently requested a quote
Avatar for J. Casillas Electric, Inc.
J. Casillas Electric, Inc.
4.2(
908
)
Portable Generator - Install

Serving Oceanside, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1972

Free estimates

Emergency services offered

"Joe was great to work with i asked for a quote and he gave me exactly that and scheduled the installation of 2 wired smoke alarms the next day,Nariel was the electrician and he did a great job, very pleasant, very nice and his work was very neat. I will be using J Casillas electric again."
 custom home
 track lighting
My work.
 low voltage 4inch
 fans

+57

Response time7 hrs
3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Kent Electrical Services Inc.
Kent Electrical Services Inc.
4.3(
17
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Oceanside, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Earl was great, it was raining hard for San Diego standards and gave me a call that he would be a little late. Once he was here he took his time to understand what the problem was and help us uncover 3 issues that we were having with one of them being a potential fire hazard. I would definitely recommend his work for anyone needing help with electrical issues. Thank you for your service to our country as well!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time1 day
10 neighbors recently requested a quote
Recommended by83%of homeowners
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Showing 1-10 of 140
Generator Install questions, answered by experts

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

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

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 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.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The Oceanside, CA homeowners’ guide to generator installs

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