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Top-Rated Electrical wiring or panel upgrade pros in Corona - Updated Nov 2026

Avatar for Garafano Electric, Inc.
Garafano Electric, Inc.
4.8(
188
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

"William and his team did a fantastic job upgrading our meter panel. They took care of all the permits and had the job done on time and on schedule. They were extremely communicative throughout the entire process and I would use them for all electrical services in the future."
Response time1 day
Response rate100%
Recommended by98%of homeowners
P S Electrical
4.4(
170
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Had an electrician out to give me an estimate on replacing my electrical panel. Decided against replacing it because that wouldn't have solved my issue. My house was built in the 60's so it needs all new wiring. I just had him show me which outlets were on each of the channels so that I could spread out my devices that needed a lot of power, specifically my space heaters."
Recommended by97%of homeowners
Avatar for C G Electric
C G Electric
5.0(
16
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Credit card accepted

"Chris and his team did a great job at upgrading my electrical panel from 100 to 200 he handled all the paperwork and permits and made the process stress free I will recommend him to all my family and friends."
Response time11 hrs
Response rate90%
Recommended by26%of homeowners
Avatar for Higher Power Electrical Contractor
Higher Power Electrical Contractor
4.8(
55
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Offers commercial services

"This was such an easy process all due to Higher Power. They coordinated everything from permits to inspections to turn off and ons. All while I was away and constantly kept in contact with progress. Absolutely blown away by the service I received. For reference I had them upgrade my electrical panel from 100 to 200 AMPs, install an EV charger, and swapped two entry way lights. Both lights were over 14 feet high."
Panel Upgrade
New 200 amp panel
Mission Viejo Panel Upgrade
Panel upgrade
Panel Upgrade

+4

Response time1 day
Recommended by81%of homeowners
Q’s Electric Co
5.0(
26
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

"Amazing work! Was completely done in a timely manner & kept me informed the whole way. We had bought a house and needed a complete rewire & panel upgrade. He definitely went out of his way to make sure we were kept in the loop & the work is excellent. If you need a trusted electrician highly Recommend Ron!"
Under cabinet lighting
Under cabinet lighting
Under cabinet lighting
Under cabinet lighting
Under cabinet lighting

+31

Recommended by76%of homeowners
Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

"I got a few estimates to get more power out to my studio. Everyone quoted me about 4K to upgrade my panel and get dedicated line out to my studion. These guys were to only ones that looked for a better/more economical solution. I sent a pic of my panel and he remembered that I upgraded my kitchen a while back but noticed that my electric stove had it's own dedicated line. He asked me, did you convert to gas when you remodeled? I said yes and he said, great, we take the line that was dedicated to the stove and we use that. It saved me $1500 and it worked perfectly. I would absolutely hire again!"
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade

+1

Avatar for ZERO ELECTRIC
ZERO ELECTRIC
4.9(
17
)
Electrical Wiring or Panel Upgrade

Serving Corona, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"Zero Electric really came through for me. James is professional, knowledgeable, and competent as is the rest of his crew. I trust and would definitely use Zero Electric again in the future."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

6 neighbors recently requested a quote
Recommended by41%of homeowners
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Showing 1-10 of 512
FAQs for electrical wiring or panel upgrade projects in Corona, CA

Yes, a licensed electrician is essential for this project. Running an electrical service from the road to your house involves connecting to utility power lines, complying with national and local electrical codes, and safely handling high-voltage systems. 

Licensed professionals understand proper wire sizing, grounding requirements, and voltage drop calculations needed for safe installation. Most jurisdictions require permits and inspections that only certified professionals can obtain. The safety risks and potential for property damage make this project inappropriate for DIY attempts.

Overhead installations are less expensive than underground options. For a 1000-foot run, overhead service costs between $8,000 and $15,000, while underground service ranges from $10,000 to $25,000. 

Overhead lines require less labor and fewer materials since they don't need trenching or conduit. However, underground lines offer better protection from weather events and aesthetic benefits. Your decision should balance your budget constraints with long-term reliability and visual preferences.

You might need to upgrade your electrical panel depending on your power requirements. If your existing panel cannot handle the additional load from the extended service, upgrading to a 200-amp service (costing $750 to $2,000) may be necessary. 

A licensed electrician can evaluate your current system and determine if an upgrade is required. Factors include what you'll be powering at the end of the line, existing electrical demand, and whether voltage drop over the distance will affect performance.

Running electric service from the road to a house requires electrical permits from your local building department, costing between $500 and $2,000 depending on your location. You may also need excavation permits for trenching work if installing an underground service. Your utility company will have its own application process for connecting to its grid. A licensed electrical contractor can handle all the necessary permit applications as part of their service, ensuring your installation meets all local code requirements.

The Corona, CA homeowners’ guide to electrical wiring or panel upgrades

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