Wind and solar can become dispatchable within three years

EXCLUSIVE | Hot-rock thermal storage technology will soon enable wind and solar farms to pump out energy 24 hours a day — and at a surprisingly low cost, writes Leigh Collins

Siemens Gamesa’s thermal-storage demonstration project, which is under construction near Hamburg.
Siemens Gamesa’s thermal-storage demonstration project, which is under construction near Hamburg.
Published 20 March 2018, 23:00Updated 10 April 2018, 10:42