Generation Investment, an investment management firm, and Origin Energy, an Australian listed public energy company, agreed to invest $655m in Octopus Energy, a UK-based retail electricity and gas supplier specialising in sustainable energy. “Whilst the UK energy market is currently in a tough state, it’s highlighted the need for investment in renewables and technologies to end our reliance on fossil fuels. So we are delighted to announce our agreement with Generation Investment Management, created to back sustainable companies changing the world for the better," Greg Jackson, Octopus Energy, Founder and CEO.