BioTherm Energy's Excelsior Wind Energy facility is now operational By Staff Reporter Share DURBAN - BioTherm Energy, a Pan-African renewable power producer company, backed by emerging market investor Actis, has announced the official operations of its Excelsior Wind Energy Facility as of the end of 2020. This is said to mark the completion of its third Independent Power Producer (IPP) in South Africa in 2020 as part of the fourth round of the Government’s Renewable Energy Independent Power Producer Procurement Programme, boasting a combined generating capacity of 165MW of the country’s renewable energy production. The Excelsior Wind Energy Facility, a 33MW plant located in the he Western Cape, successfully achieved its commercial operations on 23 December 2020. It added to the already achieved commercial operation of the 132MW combined capacity of the solar plants Aggeneys and Konkoonsies II earlier in the year.