Section
Rooftop solar and home batteries as household economics: install numbers, sizing and payback, worked from the regulator's own data rather than an installer's pitch.
Explainer
The ACCC's definition turns on one word: the customer relinquishes some control. Median bills run $762 to $1,093 lower. Only about 24 per cent of battery owners have joined, and the report names three reasons that is not irrational.
Explainer
IPART’s benchmark is a guide, not a rule, and your retailer can ignore it. Why it fell, why it sits so far below what you pay, and why an evening export is worth several times a midday one.
Batteries
438,319 batteries against 299,678 new solar systems from July 2025 to June 2026, and the average battery peaked at 36 kWh before the 1 May tiering change pulled it back. The regulator's own postcode data, summed fresh, with the reporting-lag caveat most headlines miss.