In 2011/2012 the Technical Subdivision of the Grevena Hospital produced a 3-year strategic plan that was implemented over the period of 2013-2015. The plan consisted of numerous initiatives trying to meet, among other, Hospital OPEX-saving goals. A number of such initiates have been implemented towards reducing the electrical energy consumption. The main goal of this paper is to present policies and initiatives with regards to electrical energy saving goals and results while presenting challenges and lessons learned over the implementation process. (C) 2017 Published by Elsevier B.V.