About Azelio Azelio is a privately held Swedish high-tech SME specialized in Stirling engine-based renewable energy systems, with a highly efficient Concentrated Solar Power (CSP) solution with low cost and modular multi-hour Thermal Energy Storage (TES). This technology is revolutionizing for its unique ability to generate clean electricity to a low cost, at all hours of the day. The company has its headquarters in Gothenburg, with 60+ employees and production facilities located in the heart of the Nordic automotive and aerospace clusters in Uddevalla and an engineering centre in Åmål and a sales office in Beijing. The Stirling engine is produced in a state-of-the-art assembly line and the company has access to the most advanced material suppliers and engineering centres of excellence in Northern Europe. Since inception the company has raised to more than one billion SEK. In June of 2018 the company changed its name from Cleanergy to Azelio.