Sunamp, a Scottish manufacturer of heat batteries for domestic energy storage, including models designed to link with PV systems, has started serial production of its units from a base in the UK.

On a visit to heat battery maker Sunamp’s office, Scotland’s energy minister Fergus Ewing outlined aims to collaborate with his counterparts in England, Wales and Northern Ireland on nationwide storage strategy, while Sunamp CEO Andrew Bissel says greater understanding of heat source batteries is needed for the technology to be included.