The energy transition and its associated sustainability initiatives can mitigate climate change and help meet increasing energy demands. However, energy transitions also can lead to disproportionate, negative effects on underrepresented groups of people. The District of Columbia (hereafter D.C.) has served as a microcosm of the United States' race, class, and identity issues. We employed a text data mining method and compare the count of individual keywords that embody energy justice among sustainability planning categories present in two sustainability plans for the District of Columbia: Sustainable DC (SDC) 1.0, published in 2013 and Sustainable DC 2.0, published in 2019. We also compared energy justice keyword prevalence between plans. We detected disparities in the abundance of individual energy justice keywords; notably, that the terms "justice" and "injustice" each only appeared once in SDC 1.0 and zero times in SDC 2.0. Energy was the most common energy justice keywords in the sustainability plans. SDC 1.0 and SDC 2.0 largely did not differ in energy justice keyword prevalence, indicating a lack of adaptation for promotion of energy justice through time. Energy justice is an important component of sustainability planning; lack of careful inclusion of energy justice in sustainability plans may lead to a delayed just transition.