Australian energy ministers have initiated a rule change to establish a principles-based consumer duty, a significant policy shift requiring retailers to provide support tailored to individual needs. The reform, supported by the Australian Energy Regulator and Energy Consumers Australia, aims to move the burden of navigating complex energy markets from households onto service providers. This places a formal obligation on retailers to act in the best interests of their customers, particularly those facing cultural or accessibility barriers.
The policy intervention arrives as market volatility intensifies. NEM spot prices surged 47 per cent week-on-week to average $87.32/MWh, continuing a period of sustained high costs for consumers and industry. This price pressure highlights the growing urgency behind reforms designed to protect households from market shocks. The proposed duty would force retailers to proactively identify and assist customers in hardship, rather than relying on consumers to seek help.
While policymakers focus on consumer outcomes, a major technology shift is reshaping the grid's physical foundations. Leading developer Neoen reports that utility-scale battery storage costs have dropped by 65 to 70 per cent over the past two years. This dramatic price reduction fundamentally alters the economics of firming renewable generation and providing essential system services. The cost decline is accelerating the deployment of big batteries as a primary tool for managing grid stability.
This development directly addresses the system security challenges that often contribute to price volatility across the NEM. As cheaper, large-scale storage becomes more accessible, it provides a viable commercial solution for the intermittency of wind and solar. The plunging cost enables big batteries to solve critical grid stability issues more effectively than ever before, offering a pathway to a more resilient grid as thermal generation retires.
Regulatory work continues to adapt to these rapid market changes. AEMO is currently seeking feedback on its governance arrangements and election procedures, alongside a separate consultation on real-time data provision. Submissions on AEMO's election procedures close May 21, while responses on its real-time data consultation are due June 16.