Solar guides, in plain English.
Straight answers to the questions Australian homeowners actually ask before going solar, costs, payback, lifespan, batteries and EVs. No jargon, no sales pitch.
Is solar worth it in Australia in 2026?
For most Australian homeowners, yes, a typical system pays back in 3–5 years, then generates near-free power for 20+. Here's when solar is worth it, and when to think twice.
How long do solar panels last?
Quality solar panels last 25–30 years and keep producing beyond that. Here's how fast they degrade, what fails first (hint: the inverter), and how to make them last.
Solar payback period in Australia (2026)
How long solar takes to pay for itself in Australia, typically 3–5 years for panels. The formula, a worked example, and what makes your payback faster or slower.
How much does it cost to charge a Tesla in Australia?
Charging a Tesla at home costs about $15–$25 a full charge on grid power, or close to free from your own solar. The maths, grid vs solar vs off-peak, and cost per km.
Average electricity cost per kWh in Australia (2026)
Australians pay about 28–38c per kWh in 2026, among the highest rates in the world. Average usage rates and quarterly bills by state, and how solar cuts them.