Your Trusted Electrical Company in Christchurch
Residential, Commercial and IndustrialWe provide expert electrical installations, repairs, and maintenance services for residential, commercial, and industrial clients. Servicing Christchurch and Canterbury for over 30 years.
Expert Electrical Contractors Christchurch

Residential Electricians
A full home electrical service from wiring, to automated energy management systems and lighting. Covering architectural builds to home renovation work.

Commercial Electricians
Providing data cabling, power and lighting, security, back-up supplies and automation for offices, schools, and retail.

Industrial Electricians
Power network supply, distribution, lighting, power, emergency backup supplies and lighting, data networks, security and automation.
We’ve got your electrical needs covered
David O’Brien and his experienced team of qualified electricians provide a wide range of skills and knowledge to get you the best electrical solution, be it for new builds, renovation, or electrical servicing work.

Mainland Electrical is one of the most reliable electrical companies in Christchurch you can trust for all your residential, commercial and industrial electrical work. We have three decades of experience working with top architects and developers of Christchurch and Canterbury as their reliable electrical contractors. We are also members of Electrical Contractors Association of New Zealand (ECANZ), Master Electricians, and Site Safe, which speaks to the high standards of quality and safety we bring to every project.
Whether it’s a new build, renovation, or one-off installation, we ensure that every electrical system is safely and efficiently set up to meet the specific needs of each property. We’re also equipped to take on both large-scale and smaller repair and maintenance projects, delivering dependable solutions for every electrical need.

Installation Of Country and Farm Electrical Systems
Mainland Electrical provides essential electrical services tailored to rural environments. We install power infrastructure to support high-demand equipment, such as irrigation systems, pumps, and heavy machinery. We also set up lighting for barns, workshops, and outdoor areas, ensuring safe visibility for nighttime work.
Moreover, backup generators are also installed for uninterrupted power during outages, establish wiring for water heaters and climate control in livestock areas, and set up security systems like CCTV to monitor the property. We make sure that country and farm properties have a safe and efficient electrical system to meet daily operational demands.
Electrical Services For New Builds
We are the first choice for Canterbury’s builders that need professional electrical services for multi-unit and single-dwelling developments. We handle everything from setting up essential electrical infrastructure like main power lines, circuit panels, and outlets to installing lighting fixtures, switches, and outlets throughout the building. We also install heat pumps, security systems, CCTV, data networks, and backup power systems. Our electricians test and inspect all wiring and components to ensure every electrical setup is functional and meet New Zealand building codes and safety standards.


Other Electrical Services
Apart from standard electrical services, we also provide one-off installations and repairs for various electrical appliances and systems to keep them running smoothly and safely. Our specialised services include:
- Heat pump installation and repair to maintain comfortable indoor temperatures year-round
- EV charger installation and repair for convenient charging
- Data cabling repair to keep your network connections strong and reliable
- Security camera installation and repair for enhanced property surveillance and peace of mind
- Switchboard upgrades and installation to ensure your electrical system is safe and equipped to handle modern energy demands

Electrical Servicing

Power & Lighting

Automation & Audio Visual Installations

Data Cabling & Security

Electric Vehicle Charging Solutions
Why Choose Mainland Electrical?
At Mainland Electrical, we have a team of seasoned electricians who bring 10 to 20 years of hands-on experience, ensuring each project is handled with skill and care. This extensive background and comprehensive familiarity with diverse electrical tasks enables us to become the best electricians to offer safe and reliable services. We execute our work seamlessly, ensuring minimal disruption to your routine.
Professional and Tidy Work
We believe that excellent service goes hand-in-hand with maintaining a clean, organised work environment. From heat pump installations to intricate electrical tasks, our team completes every job with professionalism, leaving your space clean and undisturbed.
Equipped with Modern Tools
To guarantee the highest quality, we use advanced tools and technology suited to each job. For specialised work like heat pumps or solar power installations, we have the accurate tools required to complete the job flawlessly. We are also equipped to easily handle both small domestic projects and complex electrical infrastructure setup with efficiency and accuracy.
Client-Centred Approach
Client satisfaction is central to our mission of delivering reliable electrical services. As members of Master Electricians and Site Safe, we uphold rigorous safety and quality standards to exceed expectations on every project. With Mainland Electrical, you can expect an exceptional client experience in terms of expertise, trust, and communication.
Call Your Local Electrician In Christchurch
When you need electrical work in Christchurch, Mainland Electrical is the name you’ll find at the top of the list of trusted providers. We know that electrical work requires precision and expertise, and choosing unreliable electricians can lead to serious risks. That’s why it’s essential to go with certified professionals.
As members of ECANZ, Mainland Electrical meets strict standards for safety and quality, and with Master Electricians’ backing, your investment is fully protected. Whether you’re dealing with an unexpected power outage, need urgent repairs, or are planning a new installation, Mainland Electrical is here to help. Our team is locally based, so we’re never far away when you need us.

What our customers say about us
Our renovation process was made easier due to the excellent service we received. Great communication, on time and a clean and tidy worksite. - Nicky

