"More speculator falls in the costs of solar PV and battery storage technologies is ensuring that renewables are not only vastly cheaper than coal and gas power plants on generation costs, but also competitive with fossil fuel generation when it comes to dispatchable generation.

The latest technology cost analysis released by research company BloombergNEF shows that battery storage costs have fallen by more than one third since the first half of 2018, and even wind and solar have also fallen by another 10 per cent 18 per cent respectively over that time. Offshore wind is down 24 per cent over the last year.

"The big mover, and the most significant for the unfolding low carbon energy transition has been the cost of lithium-ion battery storage, which BNEF says has fallen by 35 per cent to $US187/MWh. That means it is competing with, and in some cases, easily beating gas generation for tenders for peaking plants, including in the US where gas is supposed to be cheaper than elsewhere." https://reneweconomy.com.au/more-stunning-falls-in-solar-and-battery-storage-costs-put-fossil-fuels-on-notice-31119/