Antora Closes $550M Series C at $2.47B to Put Carbon-Block Heat Batteries Behind AI Data Centers
Crunchbase News·medium signal
Antora Energy closed one of the year's largest cleantech rounds — $550M Series C at a $2.47B valuation — to scale production of thermal batteries that heat solid carbon blocks with cheap renewable power and discharge on demand as heat and electricity. The pitch has shifted decisively from heavy industry toward AI data center power, which is where the demand curve and the capital now are. It lands the same week Amazon raised capex to $220B citing capacity constraints into 2028, making the energy-bottleneck thesis hard to dismiss.