> Energy Dome expects its LDES solution to be 30 percent cheaper than lithium-ion.

Can see how this could scale up for longer storage fairly cheaply but on current trends batteries will have caught up in cost in 2-3 years.

Aren’t CATL already producing sodium-ion batteries for about 60% the cost of lithium-ion for equivalent capacity?

	▲	laurencerowe 6 hours ago \| parent [-]
		Yeah. Maybe this tech will have a place for week-long storage and be a good buffer for wind power but I hard to see the economics working for daily cycling.