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Investment in big batteries surges but wind and solar investment stalls

New Clean Energy Council data has revealed a massive jump in the level of investment in large-sale batteries in the last three months, with financial commitments increasing from 150 MW of capacity in Q4 2020 to a whopping 600 MW in Q1 2021.

"Big batteries have come of age, with investors recognising the increasing cost competitiveness as well as the role they play in providing energy security and supporting renewable energy across Australia," said Clean Energy Council Chief Executive, Kane Thornton.

"The projects committed in this quarter represent a 300 per cent increase in committed large-scale energy storage capacity compared to Q4 2020 and investment to the tune of $400-450 million."

A recent Clean Energy Council study found that large-scale battery storage is now the superior choice for electricity peaking services, providing significant cost, flexibility and emissions advantages compared to equivalent open-cycle gas turbine plants.

The dramatic increase in new investment in large-scale batteries comes at the same time as financial commitments in large-scale renewable projects have slowed to the lowest level in the past five years. Just one large-scale renewable energy project was financially committed in the first quarter of 2021, with the 400 MW of new capacity 45 per cent lower than the previous quarter and 30 per cent lower than the 2020 quarterly average.

"This is a deeply concerning trend when, in light of the speed of the clean energy transition worldwide, the brakes are being put on Australia's promise as a renewable energy superpower," said Thornton.

"Confidence for new investment in the sector is really in limbo at the moment. Projects are experiencing significant and often unanticipated delays through the grid connection process, and as we saw last week with the announcement of a new gas-peaking plant at Kurri Kurri, government intervention in the energy market adds to the uncertainty for investors."

The single project reaching financial close in the opening quarter of 2021 – the New England Solar Farm in Uralla, New South Wales – marks the lowest number of new projects to reach the milestone in a quarter in the past four years.


Editorial notes – Financially committed large-scale battery projects for Q1 2021: Victorian Big Battery; Torrens Island Battery; New England Solar Farm.

For more information or to arrange an interview, contact:

Jane Aubrey
Clean Energy Council Media Manager
[email protected]
+61 409 470 683