The energy sector is experiencing various transformations. Simultaneously, merger and acquisition (M&A) activities in the sector are surging globally. Extensive research has focused on and analyzed M&As from the perspective of acquirer- and target-level financial performance. In comparison, a significantly lower number of studies have analyzed the macroeconomic impact of M&A activities. The field of and interests in sustainability have also been expanding in recent decades. Sustainable

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... nt goal 7 (SDG7), which calls for "affordable, reliable, sustainable and modern energy for all" by 2030, is among other sustainable development goals that were established by the UN (United Nations). However, the synthesis of indicators for measuring sustainable development and M&A performance remains a relatively vaguely explored field. Here, we perform SALSA (search, appraisal, synthesis, and analysis) and analyze which M&A and sustainable development performance indicators may be used when analyzing M&A within the energy sector. The employment of an eligible set of indicators measuring sustainable development and M&A performance may be used by practitioners, governments, and scholars for the purpose of monitoring, tracking, and the communication of the progress. The results imply that most popular sustainability measurements are indicators for sustainable energy development (ISED). There is a growing number of studies focusing on and applying country-specific methodologies. The measurement of M&A and sustainability performance faces difficulties in practice implementation due to a lack of availability of data, information, and databases, etc.