Tendering is under way for the provision and commissioning of four sets of geothermal single flow back pressure units for the 20MW first phase of the Corbetti geothermal power project. Berkeley Energy has announced that a ten-week tender process began on 12 January and will be concluded in March. Berkeley manages the $200m Africa Renewable Energy Fund (AREF), which is expected to close in Q1 2015. AREF has acquired a majority stake in the Corbetti project, whose other investors are Iceland Drilling and Reykjavik Geothermal.