Investors may be underestimating the risk that renewables could become stranded assets, as grid constraints and congestion and supply chain hurdles limit the value that these assets could deliver, Barclays said in a recent white paper on “energy transition realism”. “The classic stranded-asset story focused on fossil fuels, but what we are now seeing is stranded-like outcomes also emerging for renewables,” Daniel Hanna, Global Head of Sustainable Finance at Barclays and a contributor to the paper, told…