What's the Ideal Solar Battery Size for Brisbane Homes in 2025?
You've decided to invest in a solar and battery package for your Brisbane home, but now face a crucial question: what system size will actually optimize your savings? Install too small, and you're still buying expensive grid electricity unnecessarily. Oversize the system, and you've wasted thousands on excess capacity that generates negligible additional returns while exporting power at pitiful 6-cent feed-in rates. Getting solar and battery sizing right represents the single most important factor determining whether your investment delivers exceptional, mediocre, or disappointing ROI. Yet many Brisbane homeowners default to arbitrary sizing—"everyone gets 6.6kW solar" or "13.5kWh batteries are standard"—without analyzing whether these capacities actually suit their specific consumption patterns. This comprehensive guide provides the methodology for determining your ideal solar panel and battery size based on actual consumption data, explains how Brisban...