Charlie Blair

Managing Director, Gravitricity

Appears in 1 story

Last updated May 31, 2026

Stories

Abandoned mine shafts become testing ground for gravity-based energy storage

New Capabilities

As of May 2026: Leading commercialization of mine-shaft gravity storage

The world has roughly 500,000 abandoned mine shafts. A small group of engineering startups believes these holes could solve renewable energy's biggest problem: what happens when the sun sets and the wind dies.

Updated May 30