‘One market into many’: AER says battery storage systems are reshaping Australia's NEM

‘One market into many’: AER says battery storage systems are reshaping Australia's NEM

The ARE has found that growth in renewable energy and battery storage eased pressure across Australia's wholesale electricity market in 2025.

Renewables easing wholesale electricity market pressure

The Australian Energy Regulator’s (AER) latest Wholesale Electricity Market performance report has revealed that growing wind, solar, and battery storage is easing pressure in the market, with wholesale prices falling across all National Electricity Market (NEM) regions in 2025. The report also showed installed battery capacity almost tripled during the year, rising from 2.2GW to 6.1GW, adding flexible supply during evening peaks. Related articl…