Cost range overview: Installed BESS for residential-scale systems typically falls in the $7,000-$30,000 band, with per-kilowatt-hour prices commonly around $1,000-$1,500 depending on chemistry and vendor.
To give you a rough idea, the solar PV system cost Melbourne usually works out at around $1,000–$1,400 per kilowatt before rebates. 6 kW system (the most popular size right now), you're looking at somewhere between $6,600 and $9,000 before incentives.
On average, homeowners might spend between $100 to $300 per bracket, leading to a total installation budget heavily dependent on several factors: number of brackets, type of solar panels, and local labor rates.
A medium-sized 5kW system could cost between $15,000-$25,000 installed, depending on whether you're using traditional rack-mounted panels or innovative floating solar arrays.
The fully installed turnkey system cost—what you actually pay to have an operational BESS—typically ranges from $360 to $690 per kWh for commercial-scale projects. This 2-3x multiplier from module cost to installed cost is where the real budgeting work begins.