Energy efficiency is considered as one of the key drivers for sustainability and growth. Within manufacturing environments worldwide, energy efficiency importance has grown the latest years, and it is now considered among other important decision-making factors such as productivity, cost, time management, human capital, and flexibility. At the same time, energy efficiency is increasingly benefitting from the adoption and implementation of innovative technologies, such as the Industrial Internet of Things (IIoT), AI solutions, Smart maintenance & Service supply chain, Smart Operations and Big Data that will help manufacturers to reduce operational costs, minimize environmental impact, and enhance overall competitiveness.