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British Lithium appoints Exawatt Chairman John Walker as Strategic Advisor

Exawatt is proud to announce that its Chairman John Walker has been appointed as Strategic Advisor to British Lithium (BLL).

John will draw on his experience in the mining and materials industries to assist Cornwall-based BLL as it moves towards lithium production. As the first company in the UK to explore for hard rock lithium and the only one so far to have established a resource, BLL was recently awarded a £500,000 Innovate UK Smart Grant from the UK Government.

“We’re delighted to welcome John to our team,” said BLL Chief Executive Andrew Smith. “He has enormous expertise in our sector, knows Cornwall well and has the knowledge and contacts we need to help BLL progress from meticulous analysis and economic feasibility to operational status within the next three years.”

John has more than 30 years of leadership experience in the solar PV, semiconductor and mining industries. Most recently John was CEO of The Quartz Corp (TQC), a mining and processing company that supplies the world’s highest-purity quartz to the solar PV, semiconductor and fibreoptic markets. Prior to helping found TQC in 2011, John served as Vice President and General Manager of Imerys North American Ceramics, where he led the organisation through the 2008/2009 financial crisis and established a strategic roadmap for the company. 

“I’m delighted to be working with BLL at such a milestone moment in its development,” said John. “Over the last three years, BLL has been quietly getting on with the job of testing a unique process for extracting lithium from micaceous granite. There is no battery-grade lithium production anywhere in Europe and the advantages of establishing an operation capable of producing 20,000 tonnes of lithium carbonate in Cornwall are huge – not just for the local community but for the whole of the UK. That’s why BLL’s plans are attracting so much investment interest at national and international level and why I’m passionate about being involved in what I regard as an unfolding story of technological and metallurgical success.”

Lithium is a highly reactive and relatively light metal that is ideal for use in batteries – including those that power electric vehicles (EVs). Cars represent the UK’s largest export sector by value and car manufacturers co-locate with battery makers. Several large lithium-ion battery plants are already under construction in Europe, with two gigafactories being proposed for the UK.

For more information about BLL, visit

About Exawatt 

Founded in 2015, Exawatt provides strategic consulting and market analysis in industries that support decarbonisation through electrification. These industries include solar PV, power electronics, lithium-ion batteries, high-purity quartz and electric vehicles. For more information about the company, please visit


Simon Price

CEO, Exawatt