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Find Electrical wiring or panel upgrade pros in Nashua

Avatar for T & G Electrical
T & G Electrical
4.9(
174
)

Serving Nashua, NH and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"T and G Electrical is an outstanding owner operated Electrical Company. I needed my electrical service upgraded and inspected. George and his team did an expert job quickly, skillfully and at a very reasonable cost. I highly recommend them and will hire T and G Electric for any project i have in the future."
Local Owner-Operator George Boukouvalas
Services Offered
Residential Electrical Services
Commercial Electrical Services
General Electrical Troubleshooting & Repairs

+23

Response time1 day
2 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for ARETE ELECTRIC
ARETE ELECTRIC
5.0(
20
)

Serving Nashua, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Credit card accepted

"Work was done on time in an a professional manner would definitely hire Arete electric when I do my panel upgrade. Great to work with and listens to all concerns. 😊"
Response time3 days
6 neighbors recently requested a quote
Recommended by5%of homeowners
Avatar for IDEAL ELECTRICAL SERVICES LLC
IDEAL ELECTRICAL SERVICES LLC
5.0(
11
)

Serving Nashua, NH and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"John was professional and knowledgeable. He explained what was wrong in terms I could understand, and fixed the problem. I will definitely call him in the future for electrical issues."
Service upgrade
Ev charger
Adu new construction
Adu new construction
Lighting upgrades

+8

3 neighbors recently requested a quote
Avatar for Lanzillo Electric
Lanzillo Electric
4.8(
32
)

Serving Nashua, NH and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"A great electrician and listens very carefully to your needs. His work was outstanding, and would highly recommend him for any electrical work."
interior lighting jobs
interior lighting jobs
interior lighting jobs
Response time6 hrs
11 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for A&A Electrical LLC
A&A Electrical LLC
5.0(
9
)

Serving Nashua, NH and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Chris and Scott were very professional. They only needed two small holes to install the new wires and light. The cleanup in the kitchen was manageable. The price for the job was reasonable. They finished earlier than quoted. I recommended them to my coworker who needed to rewire her thermostat. She was satisfied with the work. I plan to use them again for other home projects."
Solar installation
Solar installation
Solar installation
Solar installation
Solar installation

+18

Response time10 hrs
4 neighbors recently requested a quote
Avatar for ALL SOLUTION ELECTRIC LLP
ALL SOLUTION ELECTRIC LLP
5.0(
14
)

Serving Nashua, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Chris installed the electrical wiring in the basement to support a water treatment system installation. He communicated with the technician and resolved any issues in expectation to make sure the electrical work would address system installation needs."
Response time3 hrs
8 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Electrical & Security Solutions, LLC
Electrical & Security Solutions, LLC
5.0(
10
)

Serving Nashua, NH and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Electrical & Security Solutions are the best! I have needed their services more than once to replace lights, a ceiling fan and also to install a new electrical box and breaker for our garbage disposal. Tyler promptly responded every time I called and he and Casey are both friendly, efficient and skillful. Aside from the excellent service, the qualities I appreciate the most is honesty for what work needs to be done and how Tyler is also very budget consciousness."
Landscape lighting
Landscape lighting
Landscape lighting
Landscape lighting
Landscape lighting

+10

Response time4 hrs
10 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Copper and Oak LLC
Copper and Oak LLC
4.9(
8
)

Serving Nashua, NH and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Chris is a true professional, he completed a 100 to 200a service upgrade for us. Not only is he very knowledgeable about his trade he set proper expectations and was great about communication from the initial quote all the way through to the inspection. Thanks again Chris!"
Bedford landscape lights
Response time1 day
10 neighbors recently requested a quote
Recommended by50%of homeowners
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Showing 1-10 of 207
FAQs for electrical wiring or panel upgrade projects in Nashua, NH

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 Nashua, NH 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.