Renewable energy firms are mostly suffering a dire earnings season as struggling supply chains, manufacturing faults and rising production costs eat into profits. With the world trying to transition at pace toward cleaner energy, equipment manufacturers are struggling to keep up with soaring global demand, leading to rising production costs and questions over the economic sustainability of large-scale projects from the industry’s major players. Manufacturing faults, most notably at Siemens Energy ’s wind turbine subsidiary Siemens Gamesa, have emerged as companies race to build turbines at a greater pace and scale. ... (full story)