CALCULATE YOUR SAVINGS

Solar Savings Calculator

How can you use this calculator?

Enter your quarterly bill, day vs night usage and power price. In under 60 seconds we’ll estimate your ideal system size (kW), estimated production (kWh), bill reduction %, and the minimum battery size for blackout protection and getting rid of your night time usage — tuned to Townsville, Mackay & the Whitsundays conditions.

What your results mean...

Recommended Size (kW): The solar capacity that best fits your bill and usage split.
Estimated Solar Production: Based on North QLD sun hours and typical roof conditions.
Estimated Bill Reduction: % decrease on your current bill before export credits.
Recommended Battery Size (kWh): Minimum capacity to reduce night grid usage and provide blackout cover.

Get your tailored design + rebates using the button below.

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Solar savings calculator — what to expect

Solar Power in Townsville, Mackay & Whitsundays

Solar Power Mackay

For Mackay homeowners, a 10kW solar system can generate around 40–44 kWh daily, making it ideal for families with high energy use or pool pumps.

Combined with a battery, this setup can cut bills by up to 90% and provide blackout protection.

With rebates and falling solar costs, Mackay residents are seeing system ROI in as little as 3–5 years.

Solar Power Townsville

A typical 15.84kW solar system in Townsville produces around 66–71 kWh per day, depending on roof angle and shading.

When paired with at least 20 kWh of batteries, that’s enough to cover most household bills.

Thanks to Townsville’s strong sunshine hours and current solar rebates, payback is often under 5–7 years, with long-term savings guaranteed.

Solar Power Whitsundays

In the Whitsundays, a 13.2kW solar + battery system typically produces around 55–60 kWh per day.

Plenty to run air-conditioning, appliances, and even EV charging while enjoying reliable backup power during outages.

With current rebates and feed-in tariffs, many Whitsunday households achieve $0 power bills while increasing property value.

SOlar made simple

Why Green Energy Technologies?

Savings Guarantee: If your system underperforms, we pay the difference.
25‑Year Workmanship Warranty on every install.
10‑Year Service Guarantee: No cost for servicing, maintenance, fault finding, warranty diagnosis, callouts or labour.
24/7 Monitoring & Bill Analysis: We can track performance and keep your bills aligned with expectations.
Local & Trusted: 10,000+ systems across Townsville, Mackay & the Whitsundays.