Stop depending on rising electricity prices take control of your power today

Rebate windows don’t stay open forever — check your eligibility before it’s gone

🌱 About Us

We help Australian homeowners take control of rising electricity costs with smart solar battery solutions that reduce bills, increase energy independence, and make homes future-ready.

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Completed Installations

Trusted by homeowners across Australia who wanted lower power bills and more control over their energy usage.

Our vision

To make energy simple, affordable, and independent for every home by helping people move away from unpredictable electricity costs.

Our mission

🌱 Take Control of Your Power

Tired of Rising Power Bills and

Unpredictable Outages?

 

Here’s What Most People Are Dealing With:

  1. Electricity bills keep going up every year
  2. Power outages disrupt your daily life
  3. Solar systems without batteries waste extra energy
  4. Energy companies stay in control — not you

SunTank Makes It Simple:

  1. Store excess solar energy for later use
  2. Lower your electricity bills from day one
  3. Get backup power during outages
  4. Take full control of your energy

No technical confusion. No guesswork. Just a smarter way to power your home.

🌱 HOW  IT  WORKS

Smart Solar Battery Setup in

4 Simple Steps

Energy Assessment

We check your home’s energy usage and power needs to find the perfect battery setup for you.

Custom System Design

Our experts design a solar + battery system that helps you save more and stay powered longer.

Professional Installation

Fast, safe installation by certified technicians — no stress, no confusion.

Smart Energy Control

Track your savings, store energy, and take full control of your power anytime.

🌱 Why Choos Us

Your Trusted Partner for Solar Energy in Australia

🌱 Trusted By 450+ Partner

Simple, Stress-Free Process

We make solar batteries easy to understand and install. From your first consultation to final setup, everything is handled clearly — no confusion, no technical overwhelm.

Maximum Savings, Not Guesswork

Our systems are designed to reduce your electricity bills from day one. We help you get the most out of rebates and ensure long-term savings.

High-Performance Battery Systems

We use reliable, tested solar battery solutions built for Australian conditions — delivering longer backup, better efficiency, and consistent performance.

Real Support You Can Trust

We don’t disappear after installation. Our team is here to support you, answer questions, and make sure your system runs smoothly for years.

🌱 Our Projects

Proven solar solutions across every sector

5 Sep, 2025

Smart Solar Battery Setup for Modern Family Home

This residential solar battery system was designed to reduce electricity bills and provide reliable backup during outages. The homeowner now stores excess solar energy during the day and uses it at night — cutting grid dependency and gaining full control over power usage.

Capacity

10 kWh

Industry

Residential rooftop

Location

Sydney, Australia

25 Aug, 2024

Energy-Efficient Solar System for Commercial Office Tower

This commercial solar battery system was installed to reduce operational energy costs and improve power efficiency. The office now benefits from lower electricity expenses, optimized energy usage, and reliable backup during peak demand hours.

Capacity

150 kWh

Industry

Commercial building

Location

Sydney, Australia

12 Oct, 2023

High-Capacity Solar Solution for Industrial Manufacturing Facility

This large-scale solar battery system was built to support high energy consumption in a manufacturing setup. It helps reduce electricity costs, ensures stable power supply for continuous operations, and protects the business from rising energy prices — making production more efficient and predictable.

Capacity

125 kWh

Industry

Industrial project

Location

Melbourne, Australia

🌱Get In Touch

Let’s build sustainable future with solar energy

🌱 HAVE QUESTIONS?

Frequently asked questions about solar battery

1. How do solar batteries work in Australia?

Solar batteries store excess energy your solar panels produce during the day. You can then use this stored power at night or during outages, reducing your reliance on the grid.

Yes. With rising electricity costs and available rebates, solar batteries help homeowners save money long-term while gaining energy independence and backup power.

The cost of a solar battery in Australia typically ranges from $8,000 to $15,000 depending on capacity, brand, and installation. Government rebates can significantly reduce this cost.

Most households can reduce electricity bills by 30%–70%. Savings depend on your energy usage, system size, and local electricity rates.

Yes. Solar batteries provide backup power during blackouts, keeping essential appliances like lights, fridge, and Wi-Fi running.

6. How long do solar batteries last?

Most solar batteries last between 10 to 15 years. High-quality systems come with warranties and maintain performance over time.

Top solar batteries include Tesla Powerwall, LG Energy Solution, and other certified systems. The best choice depends on your home’s energy needs and budget.

Yes. Government rebates are available, but they are reducing over time. Installing before key deadlines can help you maximize savings.

Installation usually takes 1 to 3 days after system design approval. The full process including assessment and setup can take 1–3 weeks.

The right system depends on your energy usage, roof size, budget, and backup needs. A professional energy assessment ensures the best fit.

🌱 Stay Updated

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What Customers Are Saying About Sun Tank

James Walker

The whole process was smooth from start to finish. The team explained everything clearly and installation was quicker than expected. Already seeing a drop in my electricity bill.

Liam Thompson

Great service and very professional team. They helped me choose the right system for my home instead of overselling. Highly recommend.

Emma Richardson

I was confused about solar batteries before, but SunTank made it simple. No pressure, just honest advice. Feels good knowing I have backup power now.

Olivia Harris

We installed a solar battery mainly for outages, and it’s been worth it. Everything works perfectly and support has been responsive.

Noah Williams

What I liked most was the transparency. No hidden costs, no confusing terms. Just clear communication and good results.

Charlotte Evans

Installation was clean and fast. The team respected our home and explained how to monitor everything. Very happy with the experience.

Ethan Scott

Power bills were getting out of control. After installing with SunTank, we’ve already started saving. Should’ve done this earlier.

Ava Mitchell

Reliable company. They answered all my questions patiently and helped me understand rebates properly. Felt confident in my decision.

Jack Turner

Everything was handled professionally. From consultation to installation, no delays and no surprises. Solid experience.