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Australia's AGL Energy ditches coal plant

Staff Writer |
AGL Energy, Australia's biggest power producer, has rejected a government plea to keep one of its largest coal-fired power stations open.

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It will instead replace it with a mixture of gas and renewable power. The NSW Generation Plan proposes a mix of high-efficiency gas peakers, renewables, battery storage and demand response, coupled with an efficiency upgrade at Bayswater Power Station and conversion of generators at Liddell into synchronous condensers.

The feasibility of a pumped hydro project in the Hunter region is being explored with the NSW Government.

Graeme Hunt, Chairman of AGL said: “This plan demonstrates that old power plants can be replaced with a mixture of new, cleaner technology, while improving reliability and affordability.

“Decisions for the investments are staged to enable flexibility to respond to the changing needs of the market and improvements in technology over the next five years,” Mr Hunt said.

The AGL Board has approved the commencement of efficiency improvements at Bayswater that will create more capacity without using additional fuel; ordering equipment to convert generators at Liddell to synchronous condensers; and the signing of contracts to purchase 300MW of generation from two new solar power stations to be developed by third parties in NSW.

An assessment of AGL’s plan found the replacement generation is more affordable at $83/MWh, compared with extending Liddell at $106/MWh.

The plan was also found to deliver reliable, dispatchable power for longer, due to a longer asset life of 15-30 years, compared with a Liddell extension of five years.

Independent analysis found an extension until 2027 would cost approximately $920 million.

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