Energy retailers have rejected claims of improper conduct following a government-led inquiry into fluctuating electricity prices linked to recent changes in benchmark billing calculations. The investigation was initiated after Energy Minister Chris Bowen directed the Australian Competition & Consumer Commission (ACCC) and the Australian Energy Regulator (AER) to scrutinize retail pricing practices amid unusual increases in daily supply charges, despite a fall in benchmark electricity prices.

The controversy centers on this year’s Default Market Offer (DMO), which sets the benchmark electricity price for households and small businesses in New South Wales, South Australia, and Queensland. While most customers are expected to see overall reductions in electricity bills starting July 1, retailers have raised daily supply charges even as usage rates declined. Industry representatives argue that this pricing shift is a response to changes implemented by the AER in how benchmark bills are calculated and apportioned between fixed daily charges and energy consumption rates.

For the first time, the AER prescribed not just an annual benchmark bill but also dictated the split between fixed and variable charges within that bill. Previously, retailers had discretion over this balance, provided total annual costs did not exceed the benchmark. Some industry insiders, speaking anonymously, contended that the change was designed to highlight headline reductions in benchmark prices, aligning with government efforts to address inflation and living costs. They argue that without adjustments, certain customers might have received bill reductions larger than what the regulator intended.

In response, retailers adjusted their pricing by raising daily supply charges to offset lower consumption charges, ensuring overall annual bills remained lower for most consumers despite the altered tariff structure. This approach, however, has drawn criticism from the government, which has made electricity affordability a key policy focus while pursuing an ambitious renewable energy target of sourcing 82% of Australia’s electricity from renewables by 2030.

Minister Bowen acknowledged the downward trend in electricity prices but expressed concern regarding increases in fixed charges by some providers. He emphasized that not all companies had altered their pricing in this way but called for the ACCC and AER to verify compliance with energy market regulations, particularly provisions requiring companies to pass on consistent reductions in energy costs to consumers. Bowen described the rise in fixed daily charges as troubling and deserving of regulatory attention.

The Australian Energy Council, representing retailers, defended the recent DMO changes as emphasizing tariff structures alongside annual bill impacts. A spokesman noted that retailers consider various factors, including network costs, wholesale prices, hedging expenses, and competitor rates, when formulating market offers. While retailers are not mandated to replicate the DMO tariff breakdown, the benchmark pricing framework naturally influences how they price and structure customer plans.

The investigation highlights ongoing tensions between regulatory frameworks, retailer pricing strategies, and government energy policies in managing electricity affordability amid a transition to renewable energy sources. Regulators are expected to continue examining whether pricing adjustments by retailers align with legal obligations to protect consumers.