We can see power prices in real time though..I realise you've got those costs from the SA lithium ion plant but, unless it's being calculated differently, those costs seem obsessively high....
View attachment 9703
Projected decline in battery pack costs | Statista
The battery pack costs for a 1 MWh battery energy storage system (BESS) are expected to decrease from about 236 U.S.www.statista.com
I choose the statista stats because I think they would be independent of environmental group influences/bias