The energy storage system, being provided by Swiss-headquartered Hitachi Energy, is expected to be operational in 2023, with battery installation due to commence late this year.

The battery will support the Darwin-Katherine grid that services 150,000 customers, allowing greater penetration of renewable energy while increasing stability and reliability of the power supply.

“Construction of the Darwin-Katherine BESS is a huge step forward in our plan for 50% renewables by 2030,” Energy Minister Selena Uibo said. “Our electricity will be more reliable and stable, whilst maintaining affordability for Territorians.

“Our future is renewables. This is why we are investing now in the BESS and hydrogen-powered generators so we can have clean and efficient energy to help reach our renewables and net-zero emission targets.”

The Darwin Katherine  Battery Energy Storage System is expected to generate cost savings of about $9.8 million annually, paying for itself in approximately five years after it becomes operational. The battery is expected to reduce emissions from gas-fired plant by about 58,000 tonnes per annum.

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