A new power project is transforming a closed underground mine and compressed air into a battery capable of providing instant electricity.

For more information, click on these links:
http://www.smh.com.au/business/the-economy/underground-mine-project-to-turn-hot-air-to-electricity-20190208-p50wjz.html?btis

and: https://arena.gov.au/news/south-australian-zinc-mine-to-be-converted-into-australias-first-compressed-air-facility-for-renewable-energy-storage/