Powerwall 3:

Smarter, Stronger, and Ready for NZ Homes.

10kW Built-In Solar Inverter
Seamlessly integrates with your solar panels – no need for a separate inverter. Designed for maximum efficiency and future flexibility.

  1. All-in-One Design
    With a robust 13.5kWh lithium-ion battery, Powerwall 3 stores your solar power and keeps your home running – day and night.

  2. Reliable, Durable, and Built for NZ Conditions
    Weather-resistant and engineered to perform from -20°C to 50°C. Whether it’s storms or sunshine, Powerwall 3 is built to last.

  3. Whole-Home Backup
    Automatically powers your lights, appliances, and devices during grid outages. Keep your home running when it matters most.

Power everything

Tesla Powerwall.

Whole-home backup protection and increased electricity savings .

Planet Electrical is an award-winning, Auckland-based solar and electrical company specialising in premium solar panel installations, Tesla Powerwall battery systems, and EV charger installations for homes, schools, and businesses across Auckland, North Shore, East Auckland, South Auckland, and wider New Zealand.

We are experienced installers of the Tesla Powerwall 3, delivering fully integrated solar and battery systems designed to maximise self-consumption, reduce reliance on the grid, and provide reliable backup power during outages.

Our solar systems are built using high-quality, proven panel brands including Phono Solar, REC and Trina, selected for performance, durability, and long-term reliability. Many of these panels are backed by 25 to 30 year product and performance warranties, ensuring your system continues to deliver strong output for decades.

Solar and battery systems designed for Auckland homes

With rising electricity prices across New Zealand, more homeowners are choosing solar and battery storage to take control of their power costs. A well-designed system using Tesla Powerwall allows you to:

  • Store excess solar energy generated during the day

  • Use your own power at night instead of buying from the grid

  • Reduce exposure to rising electricity prices

  • Maintain power to essential circuits during outages

  • Optimise energy usage through smart monitoring and automation

Most of our Auckland customers install systems in the 7kW to 15kW range, often paired with a Tesla Powerwall to increase savings and energy independence.

Real savings and return on investment

For many homes in Auckland, a properly sized solar and battery system can deliver:

  • Annual savings of $2,500 to $4,000 on power bills

  • A typical payback period of 5 to 8 years

  • Long-term protection against increasing electricity costs

  • Increased property value and energy efficiency

Savings will vary depending on power usage, system size, and how much energy is used during the day versus stored in the battery.

Why choose Planet Electrical for Tesla Powerwall installation

  • Award-winning Auckland solar installer

  • Specialists in premium solar and battery systems

  • Experienced with Tesla Powerwall 3 installations

  • High-quality panel options including Phono Solar and REC

  • Clean, compliant installs with strong attention to detail

  • End-to-end service from design through to installation and aftercare

We focus on installing systems that perform long term, not just the cheapest upfront option. That means better results, fewer issues, and stronger savings over time.

Solar installation across Auckland and surrounding areas

We install solar and battery systems across:

  • Auckland Central

  • North Shore

  • East Auckland

  • South Auckland

  • West Auckland

  • Rodney and surrounding regions

If you're looking for a Tesla Powerwall installer in Auckland or want to understand whether solar and battery storage is right for your home, we can guide you through the process from start to finish.

Get started with solar and Tesla Powerwall

If you're considering solar panels or a Tesla Powerwall system, the best place to start is with a tailored system design based on your power usage and property.

Get in touch with Planet Electrical to:

  • Review your current power usage

  • Design a system that suits your home

  • Understand your expected savings and ROI

  • Explore solar, battery, and EV charging options

Power everthing.

Powerwall is a powerful, compact home battery with an integrated solar inverter that stores energy generated by solar or from the grid. Use stored energy to power your home 24/7—even during outages. With customisable power modes, you can optimise your stored energy for electricity bill savings, outage protection and more.

One Ecosystem Powerwall can support EV home charging needs—with custom settings to charge with solar energy and save on energy costs. Charge on SolarAllows Tesla vehicles to recharge using excess solar, maximising self-consumption.

Tesla

Get a Powerwall with your solar install

Expand Your Energy Storage with the Tesla Powerwall 3 Expansion Pack

The Tesla Powerwall 3 Expansion Pack is now available in New Zealand, offering a seamless way to increase your home's energy storage capacity. Each expansion unit adds 13.5 kWh of storage, allowing you to store more solar energy for use during peak times or outages.

Key Features:

  • Enhanced Capacity: Add up to three expansion units to a single Powerwall 3, achieving a total storage capacity of up to 54 kWh.

  • Cost-Effective: Designed without additional inverters or control systems, the expansion packs are more affordable than installing multiple Powerwall units.

  • Seamless Integration: The expansion packs connect directly to your existing Powerwall 3 system using Tesla's Expansion Harness, ensuring a streamlined setup.

  • Flexible Installation: Options include wall-mounted or floor-mounted configurations, with the ability to stack up to three units behind the main Powerwall 3 unit.

  • Durable Design: Built to withstand New Zealand's diverse climate, the expansion packs are rated for indoor and outdoor use, operating efficiently between –20°C to 50°C.

  • Warranty Assurance: Enjoy peace of mind with a 10-year warranty, guaranteeing 70% capacity retention over the decade.

By integrating the Powerwall 3 Expansion Pack, you can maximize your solar energy usage, reduce reliance on the grid, and ensure your home remains powered during outages.