Aker Horizons, an investment company, closed the transaction to acquire Mainstream Renewable Power, an independent renewable energy company. Existing Mainstream shareholders have re-invested and retained 25% ownership in the company. As part of the transaction, Aker Horizons also acquired an interest in superconductor technology company SuperNode. The transaction values the current equity of Mainstream at €900 million (~$1,098 million) on a 100% basis and gives Aker Horizons a portfolio of solar and wind projects in operation and under construction of about 1.4 GW and a project development pipeline of about 12.5 GW.