Sunamp raise £3.2m to take on Tesla in global battery-storage battle

Andrew Bissell
Andrew Bissell

Sunamp –  the heat energy storage developer based in East Lothian –  has raised £3.2 million in its latest funding round led by an international private investor in the energy market.  

Sunamp is gearing up to take on competitors – including Tesla Motors, the BPV giant (battery-powered vehicle) which has also entered the energy storage market. 

Existing investors, including Scottish Investment Bank, Par Equity, Equity Gap, Highland Venture Capital and Old College Capital, also participated in this round.

The money will be used to fund the company’s expansion to meet market demand, to enter international markets and for product advancement.

Sunamp designs and manufactures non-toxic, compact heat batteries that store heat from renewable and non-renewable sources, cutting both fuel costs and carbon emissions.

The company was founded by veteran technology entrepreneur Andrew Bissell, who sold his previous company, the 3D medical imaging business Voxar, for €39 million to Barco in 2004. 

He said: “Our aim is to grow the business nationally and internationally, making Sunamp Heat Batteries the “go to” solution for heat energy storage. 

“Sunamp PV heat batteries are now helping to cut carbon emissions and lower fuel bills in over 700 homes thanks, in part, to a competitively won £3.2m grant from the Local Energy Challenge Fund, and we have proved our abilities as a volume manufacturer.”

 “The global thermal energy storage market is expected to reach $1.8 billion by 2020 and we are excited about the potential of our product to solve a world-wide problem.  We are now ready for the next phase of expansion, and have our sights set on the North American markets, Europe and Asia-Pacific. 

“This additional funding will help us to broaden our market reach and to continue our impressive product development.”

Jock Millican from Edinburgh-based Equity Gap commented: “ I believe this latest investment will allow the company to focus on achieving real commercial traction while continuing to develop applications for their products.”

Sunamp heat batteries use a novel phase-change material developed with the University of Edinburgh which store four times more heat than hot water tanks of the same size.  This technology underpins a portfolio of products including SunampPV, a super-compact 5 kWh Heat Battery which allows homes with solar panels to store excess energy for future use rather than sending it to the grid. 

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