Five years ago the renewable-energy yieldco blew onto US stock markets in a whirlwind of hope and hype, raising billions of
IN DEPTH | The once-innovative business model hit a wall in late 2015, but the survivors have begun to bounce back, writes Karl-Erik Stromsta
Five years ago the renewable-energy yieldco blew onto US stock markets in a whirlwind of hope and hype, raising billions of