“…Moreover, it requires strategic and operational decisions to be taken at the individual level or at the level of an internal (e.g., management team, board of directors) and/or external (e.g., multiple stakeholders) team of individuals with different backgrounds, interests, and value frames [44]. Following the OS process research perspective, this study investigates actors' involvement by analyzing which actions individuals perform, who performs those actions, and how the actions are performed [45]. Accordingly, energy-efficiency improvements, integrated into actors' decisions, are aligned with strategic goals for energy efficiency vertically across different organizational levels, and horizontally across different functions.…”