Territory Generation, which is responsible for the production and supply of electricity across the Northern Territory, is inviting expressions of interest to deliver a solar power plant of up to 15 MW to support system reliability and reduce reliance on thermal generation in Alice Springs.
The Alice Springs Power System is an isolated electricity network that currently has a peak load of about 54 MW, an average load of 23 MW, and a minimum load of 6 MW. This is supplied by the gas-powered generation plant at Owen Springs Power Station (OSPS), the 4.1 MW Uterne solar power plant, and other distributed commercial and residential solar, with the diesel-fuelled Ron Goodin Power Station providing peaking support.
A 12 MW / 48 MWh battery energy storage system is also being installed at OSPS with remote and off-grid power specialist Pacific Energy has also been contracted to deliver the system.
Territory Generation is now seeking to develop a utility-scale solar farm in the range of approximately 5 to 15 MW, with or without battery energy storage, to support a more resilient energy supply for Alice Springs and meet increasing demand with renewable energy.
“In combination with existing thermal generation assets and the forthcoming BESS at OSPS, the integration of additional solar generation within the ASPS is expected to support system reliability, optimise utilisation of existing assets, and reduce reliance on thermal generation,” Territory Generation in its notice to the market.
The utility said the EOI process will allow it to identify commercially sound and technically viable approaches for delivering the solar plant, adding that the commercial delivery models for the PV facility could include leased asset, engineering, procurement and construction (EPC) and power purchase agreement (PPA) structures.
Expressions of Interest will close on 22 September 2026.
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