Before jumping into the benefits and opportunities for energy storage systems (ESSs), we first need to level set. What is an ESS, and why do we use them? An ESS collects energy when it is abundant — ...

This story originally appeared on Vox and is part of the Climate Desk collaboration. The tricky thing about generating electricity is that for the most part, you pretty much have to use it or lose it.

Energiestro co-founders Anne and André Gennesseaux (pictured) aimed to produce an affordable, scalable version of a flywheel energy storage system for use with renewable energy sources. The prototype ...

These systems offer high-efficiency, fast-response energy storage, and are gaining attention for grid stabilization, high-power applications, and renewable energy integration. The concept is not new.