Commercial Solar Panels

Auckland's Commercial Solar Specialists

Solar Panels Installed

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Commercial Solar Panel Installation for Auckland Businesses

Commercial Solar for South Auckland Business

South Auckland is where the roof space is. The warehousing and light industrial through Wiri, Manukau, Takanini and Drury sits on large, flat, unshaded roofs that are doing nothing but keeping the rain off — and, unlike a house, the load underneath them runs during the day, which is exactly when solar generates. That alignment between generation and consumption is what makes commercial solar pay back faster than residential.

The same holds for the packhouses, coolstores and growing operations around Pukekohe and Franklin, where refrigeration runs hardest through the hottest, brightest part of the year.

We Are Based Here

BW Henderson works out of Takanini and has been wiring South Auckland commercial and industrial sites since 1952. We are not travelling across the city to reach your building, which matters when a system needs attention or a switchboard turns out to need work before the inverter can go in.

Choose Your System

SOLAR SYSTEM

Tailored to the scale and energy needs of your commercial property

ENTRY LEVEL

GRID-CONNECT

Most commercial properties up to 100kW

SOLAR RESERVE

Grid-connected with battery for 24/7 independence

INDUSTRIAL

POWER PLANT

High-consumption industrial & multi-site commercial

Daylight Energy Generation
Grid surplus export
Reduced electricity bill
Large battery capacity
Generator integration
Multi-array installation
Smart monitoring
Scalable — expand as needed

Solar Design and Installation

What We Look At Before Quoting

We start with your actual consumption data rather than your floor area — when the load happens through the day matters more than how much of it there is. A site drawing hard from 7am to 5pm is a very different proposition from one that runs a night shift.

From there it is roof or ground area, structure, shading, and the state of your existing switchboard and main supply. On older industrial buildings around Wiri and Manukau the switchboard is often the constraint, not the roof.

Installation Around Your Operation

Panel mounting, inverter installation, battery integration where it is wanted, switchboard connection and the Distributed Generation application with your lines company. We work around your operating hours — on a working warehouse or a coolstore, an install that shuts the site down costs more than the system saves.

Our Solar Panels

Why We Use Solar Wind Panels

BW Henderson Electrical and Solar Wind operate from the same building in Takanini, Auckland — which means our partnership goes well beyond a standard supplier relationship. When you choose BW Henderson to install your solar system, you’re getting direct access to the people who manufacture and supply the panels, not a middleman. If any issues arise, Solar Wind is right there. No waiting, no chasing, no delays

Built for New Zealand Commercial Properties

Solar Wind panels are built specifically for New Zealand conditions — durable, efficient, and backed by strong warranties. They perform reliably in our variable weather year-round, not just on sunny days, and integrate cleanly into commercial rooftops in both silver and black options to suit your building.

Maintenance and Ongoing Support

Tailored Solar Solutions for Your Property

Every business has unique energy needs. At BW Henderson Electrical, we tailor solutions specifically for you. We collaborate closely with clients to design and install solar panels that meet your company’s requirements and budget. We use only high-quality products to ensure the most efficient solar systems for our customers. As a result, you get a system that performs reliably and delivers strong returns on investment from day one.

Commercial Solar Panel FAQs

How much do commercial solar panels cost in Auckland?

The cost varies depending on system size, panel type, battery storage, and installation complexity. A small commercial system typically starts from around $15,000–$20,000, while larger warehouse or industrial installations can vary significantly. We provide free, no-obligation quotes — contact us to get an accurate price for your site.

How long does a commercial solar installation take?

Most standard commercial rooftop installations are completed within two to four days. However, larger systems or those requiring switchboard upgrades or grid tie-in applications may take longer. We will give you a clear timeline before work begins.

How long does it take to recoup the investment?

Most commercial solar systems in New Zealand pay back their installation cost within five to eight years, depending on your current energy usage and tariff. After payback, the system generates free electricity for the remainder of its 25+ year lifespan. Furthermore, rising electricity prices shorten payback periods over time.

Do I need resource consent or council approval?

Most commercial rooftop solar installations in New Zealand are permitted activities and do not require resource consent. However, some heritage buildings or specific zones may have requirements. Additionally, grid-tied systems require a Distributed Generation application to your lines company. We handle all of this as part of our installation service.

What happens to surplus solar energy we generate?

Surplus electricity can be exported back to the grid under a buy-back arrangement with your electricity retailer. Alternatively, battery storage allows you to store surplus energy for use later. Therefore, we can advise on the best option based on your energy usage profile and retailer rates.

Do you offer solar for warehouses and industrial properties?

Yes — large roof areas on warehouses and industrial facilities are ideal for commercial solar. In particular, high daytime energy consumption in these settings means solar can offset a significant portion of your power bill. Contact us to discuss your site.