Estudo de caso da tendência de comportamento de consumo de energia aplicado a uma planta industrial de médio porte

Abstract

Demand management and tariff classification are essential for medium-voltage industrial units because they help reduce avoidable charges and support energy-efficiency actions. This case study assessed the consumption profile, contracted demand, tariff classification, and capacitor-bank condition of a fuel distribution terminal located in Uberlândia, Minas Gerais, supplied at 13.8 kV. Electricity bills and technical reports covering June 2022 to June 2024 were examined, together with a thermographic inspection report produced in June 2024 with a FLIR E30 camera. The records showed 24 months with contracted-demand exceedances above 170 kW, totaling BRL 26.768,00 A preliminary comparison indicated that the green time-of-use tariff was the most consistent with the predominantly off-peak consumption profile, subject to validation of the tariffs and contracts used. The thermographic report classified two of 39 assets as priority cases; however, the temperature and ΔT values transcribed into the recovered document must be checked against the original radiometric file. The findings support reviewing contracted demand, continuously monitoring load, and maintaining the capacitor bank in accordance with ANEEL Normative Resolution No. 1,000/2021.