Grid scale battery cost reductions - the final nail in the fossil fuel coffin?

Grid-scale batteries have until recently been predominantly used only to stabilize the frequency of electricity supply. But as prices have dropped dramatically in recent years and new chemistries like sodium-ion have come into the mainstream, batteries have started to replace coal power stations and even gas peaker plants. So, is the final death knell now being sounded for the combustion of fossil fuels?

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Reference Links

Renew Economy article about Collie
https://reneweconomy.com.au/australia...

Renew Economy article about big batteries in South Australia
https://reneweconomy.com.au/big-batte...

Clean Energy Australia 2025
https://cleanenergycouncil.org.au/get...

University of Western Australia - big batteries report
https://www.uwa.edu.au/news/article/2...

California Energy Commission report
https://www.energy.ca.gov/news/2025-1...

Cornell University research paper
https://arxiv.org/abs/2501.01954

California 2024 Special Report on Battery Storage
https://www.caiso.com/documents/2024-...

S&P Global Article
https://www.spglobal.com/energy/en/ne...

Bloomberg NEF article
https://about.bnef.com/insights/clean...

EMBER analysis
https://www.pv-magazine.com/2025/12/1...

Engineering With Rosie - great video about Long Duration Energy Storage (LDES)
   • The Energy Storage Problem No One Explaine...  

Check out other YouTube Climate Communicators

Simon Clark:
   / simonoxfphys  

ClimateTown:
   / @climatetown  

Dr Gilbz
   / @drgilbz  

zentouro:
   / zentouro  

Climate Adam:
   / climateadam  

Kurtis Baute:
   / scopeofscience  

Sarah Karvner:
   / @sarahkarver  

Beckisphere:    / @beckisphere  

Our Changing Climate :
   / @ourchangingclimate