For grid storage, Ambri has the cheapest possible molten salt battery. The company was struggling.

The MIT Prof who started this is Don Sadoway, he started this 13 years ago and no one gives a fuck in the US. Right idea, wrong country. The US grid is ruled by corruption and middle men reselling electricity -no one wants a cheaper solution.

This guy just gives an amazing lecture.

By 2024, Ambri was bankrupt. Reddit and Lemmy seem to think countries want real energy solutions, which is just not true. Corruption rules the energy grid.