Pacific inks offtake agreement for battery retrofit project

Pacific Partnerships has secured a 10-year offtake agreement to build a 102 MW battery storage system alongside its Glenrowan Solar Farm in Victoria. The four-hour battery will store energy from the 102 MW solar site. The agreement signals confidence in the project's commercial viability and moves it toward construction.
Where this fits
This deal embeds the cost of firming into the renewables-only pathway. A 102 MW solar farm alone cannot meet demand on low-generation days. The battery retrofit, built at considerable capital cost and sited on land already committed to solar, is now the binding constraint on the project's economics. The materials chain (lithium, cobalt, nickel, processing) runs through China. This is not a flaw in the project; it is the architecture: renewables require batteries for dispatchability, and batteries are expensive, material-intensive, and supply-vulnerable. The four-hour duration is also telling. It covers an afternoon-to-evening ramp. It does not solve a three-day calm across the southeast.
What it means
Australia is building a grid where firming costs are passed to individual projects and priced into power agreements, rather than being managed as a whole-system problem. That distributes cost and locks in dependency on Chinese battery supply. A large share of the $200+ million capital likely needed for this retrofit is embedded in materials and processing dominated by one strategic rival. The honest comparison is not solar versus coal; it is solar-plus-battery versus firm, energy-dense, low-material alternatives like nuclear, which remain banned by law and thus unavailable as the baseline against which this retrofit's real cost and supply risk should be weighed.
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 (~41 t lithium content). Replaced roughly every 12 years. Source: IEA, Argonne GREET. Indicative.
~75% of cells are China-made. Source: IEA cell-manufacturing share.
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.
at ~A$1100–1600/kW installed. Source: CSIRO GenCost 2024-25. Indicative.
at a ~24% capacity factor, and only when the sun shines, so it still needs firming.
~80% of modules are China-made. Source: IEA solar supply-chain data.
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 Australia. Read the original report ↗
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