Pennsylvania legislators have prioritized electricity affordability this year. First, they exited the Regional Greenhouse Gas Initiative (RGGI), the multistate carbon-tax compact. Then, with the newly passed state budget, they defeated Gov. Josh Shapiro’s Lightning Plan, which would have layered an additional in-state carbon tax and expanded Pennsylvania’s clean-energy mandate.  But Pennsylvania’s Alternative Energy Portfolio Standard (AEPS) remains on the books, unexamined for 20 years. […]