Tiger Infrastructure Partners, a middle-market private equity firm, completed the acquisition of Forsa Energy, which develops, builds, owns and operates a portfolio of highly flexible gas-fired reciprocating engines in the UK, from Riverstone, a private markets asset management firm, for $18m. “Tiger Infrastructure is pleased to acquire Forsa Energy and provide growth capital to support the build out of the company’s portfolio of assets. We believe Forsa Energy has an integral role to play in supporting the UK’s transition to renewable energy. We look forward to working with Forsa Energy’s experienced management team to build out a sector-leading platform in the UK’s flexible generation market,” Emil Henry, Tiger Infrastructure CEO and Managing Director.