Offshore Wind in Victoria to receive a CfD and an Availability payment … but where was that structure in the ESEM process?

Victoria's offshore wind auction is now taking shape with a support package for winning bidders. The state is seeking 2 GW of offshore capacity and will award contracts combining a 20-year contract for difference (CfD) to manage revenue variability, plus an availability payment. This structure departs from the electricity market framework promoted by the Nelson Review and the design work on contract structures that has occupied policy attention since that review. The timing raises questions about whether the market mechanism settled through that process has held up under the pressure of actually building renewable capacity.

Where this fits

The offshore wind support package points to a deeper cost and reliability problem that the headline buries. A 20-year CfD plus availability payments are explicit government subsidies layered on top of renewable generation. This is the opposite of the market-clearing, subsidy-neutral grid that the renewables transition was originally meant to deliver. Each new renewable project that requires this kind of support structure adds to the whole-system cost, which is borne by taxpayers and consumers but not counted in the per-megawatt-hour headline figures. The divergence from the Nelson Review framework also signals policy instability, which raises capital costs and project risk.

What it means

Australia is now openly underwriting the economics of renewable generation at scale, and the policy framework for doing so is still being improvised. Each state and each technology seems to need its own subsidy design, which fragments the market and keeps Australia dependent on project-by-project government backing rather than a stable, technology-neutral platform. The contrast is instructive: a firm, dispatchable source, whether gas or nuclear, needs no availability payment because it produces power on demand. The renewable transition's real cost includes not only the generation assets but the ongoing fiscal commitment to keep them commercially viable.