This community service program on electrical energy efficiency was implemented for IAES Indonesia employee partners, who faced a lack of understanding and skills in the safe, efficient, and economical use of electrical energy. The activity was conducted online with 56 participants and employed a pretest–posttest design to measure the training's impact. The instrument was a 25-item multiple-choice test covering five core competencies, with analysis using the Wilcoxon Signed-Rank Test. The results showed that 47 participants experienced an increase in their scores, with the mean rank of increase (27.46) being higher than the mean rank of decrease (17.50). The highest increase occurred in competency in electrical panels and KWH meters (17.14 points). Practically, this activity provides direct benefits for partners in the form of increased energy literacy, changes in behavior towards more efficient electricity use, and potential savings in electricity operational costs in the workplace. As a follow-up, this program recommends ongoing mentoring, monitoring of energy-saving behaviors, and the integration of energy-efficiency policies into partners' work environments to ensure the sustainability of the activity's impact.
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