Will a switch to light speed cut power use at data centres?

Center-Right: <a href="https://www.ft.com/content/f29de45a-3d32-4d9f-90cd-615f7466c1de" rel="noopener nofollow">US data centres ‘are short six NYCs of electricity’ — www.ft.com
Center-Right: <a href="https://www.ft.com/content/b97dde39-7813-4a51-8176-3699e2a468b1?syn-25a6b1a6=1" rel="noopener nofollow">China reviews dependence on Broadcom switches in data centres — www.ft.com

Source: www.bbc.com · Section: business-tech · Bias: Center · Published: Tue, 22 Sep 2026 23:03:48 GMT

To save power and add capacity, data centres are switching from copper wires to tech using light.