Has the giant heat battery’s time come?

Has the giant heat battery’s time come?

Giant heat batteries made in Britain could be the key to helping the UK food and drink manufacturing industry wean itself off gas, as fossil fuel prices spike worldwide. James Macnaghten, chief executive of Caldera, at its factory in Fareham, Hampshire. Photograph: Luke MacGregor Heat is a vital component for a vast array of food and drinks processes — including brewing beer — and this is typically delivered as high-pressure steam, generated by …