AI data centres are driving a sharp rise in US electricity costs, leaving manufacturers grappling with soaring power bills.

Capacity charges have soared across the PJM grid, and manufacturers from Ohio to Pennsylvania are paying for the AI boom.

An iron-air battery that stores and releases energy through a reversible rusting process has become the first of its kind to connect with a public electricity grid. On 30 July, the startup Ore Energy ...

Google plans to build a large-scale data center in Pine Island, Minnesota, backed by wind, solar, and an emerging battery technology sometimes called “rust power,” which stores energy using iron-air ...