At global and national scales, renewable energy transitions aimed at climate change mitigation are slower than anticipated. In response, regional and localized entities have taken matters into their own hands to promote expedited progress. Over 200 communities in the United States (states, counties, cities, and townships) have made public pledges to achieve a 100 % renewable energy (or electricity) transition. However, there is still uncertainty in how the operational, technological, managerial, and infrastructural transitions will occur – and despite growing support for energy transitions, there are still significant gaps in the plans set forth. Within this study, the available information from 186 entities that have made a pledge towards 100 % renewable energy was synthesized to illustrate where there are gaps in energy transition plans. At the highest level of available data, only 40 % of communities had a public facing action plan for their transition goals. This metric alone suggests (alongside additional results) that there are significant shortcomings in the existing plans for energy transitions even at the community scale. This calls for reconsidering communication strategies and broadening participation when these transition plans are being discussed, as well as a reassessment of what policy tools are in place to encourage and support these transitions.