Utilities eye nuclear, hydro to meet ambitious goals But the last 10%-20% of emissions will need new tech Washington — States are ramping up their mandates for clean and renewable energy in the face of federal climate inaction, declining renewable costs and demands from electricity customers, but new policies and yet-to-exist technology will be needed for states to meet ambitious 100% clean energy goals. In the last year, California, New Mexico, the District of Columbia and Puerto Rico all have joined Hawaii in the ranks of states seeking to get all of their electricity from clean or renewable sources by 2050 or earlier. And individual utilities such as Xcel Energy and Idaho Power have set 100% clean energy targets, too. Other states are considering making the leap to 100% clean energy, including Minnesota, Wisconsin, Illinois and […]