Federal Parliament has passed legislation imposing a 30% capital gains tax on foreign investors for assets over $50 million, concluding a tense period of lobbying for the energy sector. In a partial victory for the industry, wind, solar, battery, and pumped hydro projects secured a 50% discount until 2040 following pressure from the Greens and cross-benchers. The reprieve shields new renewable investments from the full tax burden applied to thermal generation and network assets. However, industry attempts to grandfather existing investments were unsuccessful, leaving current foreign-owned projects exposed to the new tax regime.
The legislative outcome highlights a precarious investment climate. Sosteneo managing partner Ivor Frischknecht warned that a collapse in bipartisan political support is compounding the long list of deterrents for clean energy investors. This sentiment adds a layer of commercial caution to the NEM's most significant structural reform in a generation, the Electricity Services Entry Mechanism (ESEM), with questions remaining over whether financiers will find the new framework bankable. Meanwhile, NEM spot prices averaged $64.38/MWh, up 8.4% week-on-week, reflecting persistent volatility despite structural shifts.
Still, the project pipeline continues to advance. Windlab and Squadron Energy have referred a 500MW battery at their Bungaban solar project in Queensland for federal approval, signalling ongoing developer confidence. In the C&I space, APA Group reached a final investment decision on a 104MWh solar and battery system to power Evolution Mining’s Ernest Henry operations. But new development hurdles are emerging at a local level. In a stark warning, Armidale's mayor issued a "no water, no REZ" ultimatum to the NSW Government, tying the 8GW New England REZ to a $150 million water infrastructure upgrade.
The growing fleet of operational assets is already reshaping the market. The Australian Energy Regulator reports that rising battery storage capacity successfully lowered wholesale price volatility throughout 2024. The AER noted this is transforming the grid from a singular market into a series of localised price zones. Managing this new grid topology requires new tools. In South Australia, SA Power Networks will conduct a mandatory one-hour curtailment test of rooftop solar systems on August 25 to verify its emergency backstop mechanisms, a drill expected to reduce generation by 1.5 kWh per household.
Globally, technology integration is accelerating in ways that will inform Australian projects. Ørsted announced it will integrate a 600 MWh battery directly into the transmission connection of its Hornsea 3 offshore wind farm in the UK. This marks the first co-location of a grid-scale battery with a major offshore wind facility. Back in Australia, Fortescue is expanding its decarbonisation strategy to include green iron and AI data centres, adding another major industrial load seeking to achieve zero emissions. The move underscores the growing convergence of industrial processes, data, and clean energy supply.
Looking ahead, the market continues to grapple with the complexities of integrating new technologies and managing legacy systems. AEMO is currently seeking feedback on its gas market participant fee structure, with submissions due in early September. This consultation runs alongside several others on system access and registration processes, reflecting the deep regulatory work underway to adapt market frameworks for the transition.