 In August, we published the top 10 utility regulation trends of 2019 so far . With 2019 wrapping up, we look at the 10 trends and actions that stand out above the rest. Below is an executive summary of the complete roundup, which has specific examples of state PUC action. You can read AEEs full version with details and links to proceedings here . 1. Implementing 100 clean energy commitments As renewable energy and energy storage resources become increasingly cost-competitive, states have become more ambitious in their clean energy targets. At least 13 states plus Puerto Rico and D.C., have now set 100 percent clean energy targets. Washington, D.C., codified the most aggressive target, setting 2032 as the deadline for powering its grid with 100 percent renewable energy. A few others, including Illinois, Maryland, Michigan, and Oregon, have announced initial plans to transition to 100 percent clean energy. In addition, at least six investor-owned utilities Avista, Duke Energy, Green Mountain Power, Idaho Power, Public Service Co. of New Mexico, and Xcel Energy operating in 12 other states have committed to 100 percent clean energy targets. 