China Returns To Coal As Hydropower Falters

China’s coal-fired generation has increased the most of any power source this year as hydroelectric production has fallen amid lower-than-normal rainfalls that have reduced water levels on the biggest rivers and depleted hydro reservoirs.     Wind and solar generation have also jumped this year as China leads global renewable energy installation capacity, but the need for stable power generation in the coming heatwaves and energy security is prompting increased coal use, offsetting the emissions benefits of record renewables…