Review and Application of the Analytic Hierarchy Process (AHP) for Maintenance Planning: A Case Study of Egbin Power Plant
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Abstract
This study applies the Analytic Hierarchy Process (AHP) to optimize maintenance project selection at Egbin Power Plant, Nigeria. It addresses the need for a systematic approach beyond reactive methods by integrating four criteria—Economic, Performance, Technical, and Criticality—each with defined sub-criteria. Expert elicitation was conducted with eight professionals (Maintenance Managers, Operations Superintendents, Planning Engineers, and HSE Officers), and their judgments were aggregated using the geometric mean method. Validation through sensitivity analysis (weight perturbations, Monte Carlo simulations, tornado diagrams) and cross-method comparison with TOPSIS confirmed the robustness of results. Hydrogen Plant Overhaul (HPO) emerged consistently as the top priority, demonstrating novelty in contextual adaptation to Nigerian thermal power plant maintenance planning.
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