Two states recently passed legislation that would require significant increases in renewable electricity generation. On June 8, Hawaii updated legislation setting a 100% renewable portfolio standard (RPS) by 2045. On June 11, Vermont passed a bill creating a 75% RPS by 2032. Both of these RPS target percentages are higher than any other RPS target in the United States. Renewable portfolio standards are state- or local-level policies that mandate all or certain types of electricity producers to supply a minimum share of their electricity from designated renewable resources. Twenty-nine states and the District of Columbia have RPS policies , and an additional eight states have […]