Gravity batteries sound almost too simple to matter in a world of advanced chemistry and AI, yet they promise to turn old mines, skyscrapers and even coastal towers into vast reservoirs of clean power ...

As the global transition toward renewable energy accelerates, storing electricity generated by intermittent sources, such as solar and wind, becomes more urgent. Power production often plunges when ...

For the global energy transition to succeed, the energy storage industry will have to develop cheap, efficient, and reliable ways to store renewable energy. Lithium-ion batteries currently dominate ...

While lithium batteries rule the market, a new contender is emerging: gravity batteries A rendering of a building designed to also store energy. The idea behind gravity batteries is not new. Soon, the ...

When it comes to gravity batteries, pumped-hydro storage is the gold standard, but its cost and topography-specific limitations are driving innovations ranging from freight-train braking to ...