George Banghiore, Octavia Moise, Mari-Isabella Stan
DOI: 10.2478/ouacsce-2025-0015
Pages: 141 – 148
Abstract – The accelerated modernization of water and wastewater services in Romania imposes an integrated evaluation of the efficiency of regional operators within a complex technical and economic context. The purpose of this study is to analyze the integration of investments, infrastructure and treatment performance in wastewater services at the level of 2024, using a set of investment, operational, energy and environmental indicators. The method used is the Principal Component Analysis, applied to eight relevant indicators. The method employed is Principal Component Analysis, applied to eight relevant indicators. The results reveal a highly integrated performance structure, dominated by a major operational component, indicating the maturation of infrastructures and a strong correlation between investments, capacity, and treatment efficiency.
Keywords – operational performance, wastewater services, principal component analysis.

