Determinants of Energy Consumption in the Dairy Industry: A Case Study in Poland

Abstract

The correlations between two groups of factors and energy consumption were analysed in four types of dairy plants with different production profiles. Groups of dairy plants with a similar production profile, as well as individual plants, were compared. Energy consumption was most strongly correlated with technical equipment (r = 0.88 – 0.99); this observation can be used by designers to promote better energy conservation measures during plant operation. Energy consumption was highest in plants producing milk powder. Plants specializing in milk powder may also produce up to 8 other dairy products; however, engineering and production factors can significantly contribute to reducing energy consumption, which suggests that energy is being consumed for non-production purposes at these plants.

Keywords

• dairy industry
• dairy plants
• energy consumption in production
• energy efficiency
• production profile
• technical equipment
• environment