Key takeaways from All Energy Australia 2026
All Energy Australia 2026 drew 22,000 attendees and nearly 500 exhibitors in October, reflecting industry confidence in the renewable transition. More than 550,000 residential battery systems have been installed under the federal Cheaper Home Batteries program since its launch 15 months ago. Large-scale battery deployment accelerated sharply: nine projects totalling 2.3 GW / 7.1 GWh switched on in H1 2026, exceeding the full-year 2025 total of 2 GW / 5.1 GWh. Industry participants noted growth potential beyond major cities in regional areas. Thirteen further utility-scale battery projects representing 1.6 GW / 6.5 GWh reached financial close in the first half of the year.
Where this fits
Battery deployment is being framed as a reliability answer to renewable intermittency, but the whole-system cost remains underspecified in headline accounts. Each megawatt-hour of battery capacity requires complementary gas firming (still in build-out), transmission overbuild to move distributed solar to storage sites and load centres, and supply-chain dependence on China for cells, electronics and processed minerals. The surge in residential batteries, subsidised to 30% cost, also masks their role as load-shifting tools, not grid-scale reliability. The question is not whether batteries are being installed, but whether the total installed base, residential, grid and firming generation combined, is being costed and planned as a system.
What it means
A grid built on weather-dependent solar plus batteries plus subsidised gas firming is being built in real time without published whole-system cost or resilience modelling. Australia is locking in dependence on China's battery and mineral-processing infrastructure at scale, while a firm, low-material, low-emission alternative, nuclear, remains legally unavailable. Confidence in the transition is not the same as preparedness for it.
By the numbers
at ~A$600–1000/kWh installed. Source: BNEF, CSIRO GenCost 2024-25. Indicative.
of average national (NEM) demand if fully dischargeable, then it needs recharging. Storage shifts power, it does not generate it.
lithium, graphite, nickel, copper and cobalt (~55 t lithium content). Replaced roughly every 12 years. Source: IEA, Argonne GREET. Indicative.
~75% of cells are China-made. Source: IEA cell-manufacturing share.
enough for 0–1 TWh a year of firm, always-on power, generating for ~60 years. Source: CSIRO GenCost 2024-25 (A$8.5–13.2bn/GW), IAEA capacity factor.
Figures are indicative conversions from the article's stated quantity using published cost, material and capacity factors (CSIRO GenCost, BNEF, IEA, IAEA). Ranges, not precise forecasts.
Go deeper on the numbers
The bigger picture
Energy security is national security. This connects to the wider case at Unprepared: Australia's dependence on a strategic rival, and how ready it is for the world that is coming.
Reported by PV Magazine (intl). Read the original report ↗
Related coverage
The numbers, as they move
A short, sourced brief when the figures shift: a transmission blow-out, a supply-chain move, a milestone.