Residential Solar Panel Installation Across Auckland
Reduce Your Power Bills with Solar Panels in Auckland
BW Henderson Electrical installs residential solar panels across Auckland, helping homeowners reduce their power bills and take control of their energy costs. As EWRB-registered electricians with over 70 years of experience, we handle everything from system design and council consent through to installation and grid connection — all in one place.
Our solar systems come with a 30-year linear power warranty and are supplied by Solar Wind, one of New Zealand’s leading solar distributors. Whether you want a basic grid-tied system, a solar and battery storage setup, or a fully off-grid solution, our team will design a system tailored to your home’s energy needs and roof layout.
Why Choose BW Henderson for Solar Panel Installation?
Custom-Designed Systems for Your Home
Every Auckland home is different. Our solar specialists assess your roof orientation, shading, energy usage, and budget to design a system that maximises your return on investment. We do not use a one-size-fits-all approach — your system is sized and configured specifically for your property.Reduce Power Bills by Up to 80%
A well-designed residential solar system can reduce your household electricity bill by up to 80%. With Auckland power prices continuing to rise, solar is one of the most effective ways to protect your household from ongoing cost increases. Most residential systems pay for themselves within 7–10 years.Full Installation — From Assessment to Grid Connection
BW Henderson manages the full process — system design, council consents, installation, and grid connection with your lines company. Furthermore, we handle all electrical compliance documentation and provide a Certificate of Compliance on completion. As a result, you have one trusted team managing your solar project from start to finish.Backed by 70+ Years of Auckland Electrical Experience
We are not a solar-only company that moves on once the installation is done. BW Henderson has been serving Auckland since 1952 and we will still be here to service and maintain your system for years to come. Every solar installation is backed by our $20,000 Master Electricians workmanship guarantee.
CHOOSE YOUR SOLAR SYSTEM
Tailored to the scale and energy needs of your residential property
ENTRY LEVEL
GRID-TIED
Most residential properties up to 100kW
- Daylight energy generation
- Grid surplus export
- Reduced electricity bill
- Large battery capacity
- Mains power backup
- Smart monitoring
MOST POPULAR
SOLAR + STORAGE
Grid-connected with battery for 24/7 independence
- Daylight energy generation
- Grid surplus export
- Reduced electricity bill
- Battery Storage
- Mains power backup
- Smart monitoring
PREMIUM
OFF-GRID+
Fully independent — rural, remote & large facilities
- Daylight energy generation
- Grid surplus export
- Mains power backup
- No network fees
- Large battery capacity
- Generator integration
- Smart monitoring
Why Choose BW Henderson
70+ Years of Proven Experience
Established in Papakura since 1952, BW Henderson has been South Auckland's most trusted electrical contractor for over 70 years. Our team of registered Master Electricians delivers work that's built to last every time.
24/7 Emergency Response
Electrical breakdowns don't keep business hours. BW Henderson provides round-the-clock emergency response for commercial and industrial clients across Auckland. We respond fast to minimise your downtime and protect your business.
SiteWise 100 Certified
BW Henderson holds SiteWise 100 certification — New Zealand's highest contractor health and safety rating. This is required by many commercial, industrial, and government clients and demonstrates our commitment to safe worksite practice.
$20,000 Workmanship Guarantee
As Master Electricians Quality Assured members, every job we complete is backed by a $20,000 workmanship guarantee — one of the strongest protections available for electrical work in New Zealand. You're covered.
The Latest Technology With A 30 Year Warranty
Our solar panel technology offers an impressive per sq. mtr energy output value and comes with a 30 year linear power warranty.
Solar Panel Technology
High-Performance Solar Panels
Our solar panels use MBB Half Cell Technology for increased power output and better performance in low-light conditions — important for Auckland’s variable weather. Each panel comes with a 30-year linear power warranty, giving you long-term certainty on performance.
- MBB Half Cell Technology — more efficient solar generation for increased power output
- High Irradiance Performance — better power generation in low light and overcast conditions
- 30-year linear power warranty — long-term performance assurance
LiFePO4 Battery Storage
Our battery storage systems use LiFePO4 (lithium iron phosphate) technology — the safest, most durable battery chemistry available. Unlike older lithium-ion batteries, LiFePO4 batteries are thermally stable, low maintenance, and retain 80% of their capacity after 10 years.
- LiFePO4 Technology — safe, low-maintenance, long-lasting batteries
- 80% capacity after 10 years — minimal degradation for long-term reliability
- 95% round-trip efficiency — highly efficient charging and discharging
- Scalable — easily expandable for future energy needs
How Our Solar Installation Process Works
A Simple Process from Quote to Switch-On
We make the process of going solar as straightforward as possible. Here is what to expect:
- Free site assessment — we visit your property, assess your roof and energy usage, and recommend the right system
- System design and quote — we provide a clear fixed-price quote with no hidden costs
- Council consents and grid application — we handle all paperwork with Auckland Council and your lines company
- Installation — our team installs your panels, inverter, and battery storage with minimal disruption to your home
- Grid connection and sign-off — we complete the grid connection, provide all compliance documentation, and walk you through your new system
Financing Options Available
Solar panel systems are eligible for green loan programmes through New Zealand’s major banks. These low-interest loans are specifically designed for energy efficiency upgrades including solar panels and battery storage. Ask us about financing options when you request your quote — we can provide the documentation your bank requires.
Solar Panels Auckland - FAQs
How much do solar panels cost in Auckland?
How much do solar panels cost in Auckland?
The cost of a residential solar system in Auckland depends on the size of the system and whether you include battery storage. Our starter solar solution (4.6kW with 10.2kW battery) is designed for homes looking to cover 50–60% of their electricity needs. Our most comprehensive package (13.8kW with 24.6kW battery storage) suits homes seeking maximum energy independence. Contact us for a free, no-obligation quote tailored to your home and energy usage.
How many solar panels do I need to power my Auckland home?
How many solar panels do I need to power my Auckland home?
The number of panels depends on your household’s energy consumption, your roof size and orientation, and how much of your electricity bill you want to offset. Most Auckland homes with average energy usage (8,000–10,000 kWh per year) benefit from a system between 4.6kW and 13.8kW. Our team will assess your situation and recommend the right system size for your needs and budget.
How long do solar panels take to pay for themselves in New Zealand?
How long do solar panels take to pay for themselves in New Zealand?
Most residential solar systems in New Zealand pay for themselves within 7–10 years, depending on the size of the system, your electricity usage, and your grid export rate. With Auckland power prices continuing to rise, the payback period is getting shorter. After payback, you benefit from significantly reduced power bills for the remaining life of the system — typically 25–30 years.
Do I need council consent for solar panels in Auckland?
Do I need council consent for solar panels in Auckland?
Most residential solar installations in Auckland do not require building consent, provided the panels are flush-mounted on the roof and the installation meets the relevant standards. However, grid connection does require an application to your lines company. BW Henderson handles all consent and grid connection paperwork as part of our installation service — you do not need to manage this yourself.
Can I add battery storage to my solar system later?
Can I add battery storage to my solar system later?
Yes. Our solar systems are designed to be expandable. If you start with a grid-tied system and want to add battery storage later, we can retrofit a battery to your existing system. Our LiFePO4 battery storage systems are also scalable — you can add capacity as your energy needs grow. Ask us about future-proofing your installation when you get your quote.
