Mainstream Renewable Power

Mainstream Renewable Power is a leading pure-play renewable energy company, with wind and solar assets across global markets, including in Latin America, Africa, and Asia-Pacific. Mainstream is one of the most successful developers of gigawatt-scale renewables platforms, across onshore wind, offshore wind, and solar power generation. It has successfully delivered 6.5 GW of wind and solar generation assets to financial close-ready.   

In May 2021, Aker Horizons acquired a 75% equity stake in the company, accelerating its plans to deliver its high-quality pipeline of over 16 gigawatts of renewable energy. In March 2022, Mitsui & Co., Ltd., joined Aker Horizon’s as a long-term strategic investor, agreeing to invest EUR 575 million in Mainstream as well as taking a long-term active role in the growth of the Company.  

Mainstream is a leading developer of offshore wind at scale globally and since 2008 has developed over 3 GW of projects in Europe, including Hornsea One and Hornsea Two in England and Neart na Gaoithe in Scotland. These projects represent 20% of the UK’s offshore wind capacity either in operation or under construction. Mainstream’s Centre of Excellence for Offshore Wind is focused on de-risking the best development sites, identifying the best partners for growth, and innovating to deliver best value.

Mainstream has raised more than EUR3.0bn in project finance to date and employs over 500 people across five continents.    


Service Provided:
  • Project Developer
Markets served:
  • Renewable Energy