The changing of the calendar is a good time for lists. So far, we at Advanced Energy Economy have given you the Top Five State Policy Battles of 2015. Then there was our list of the Top 10 Advanced Energy News Stories of 2015 – in two parts! Looking ahead, we offered up our Top Federal Policy Areas to Watch. But we’re not done yet. Here are four topics in energy finance to keep an eye on in 2016 and beyond.