The article discusses the state of play of energy security issue in NATO's in order to reveal the potential for any practicality in terms of regional cooperation with Partners. The article briefly defines the perception and importance of energy security in current security debates and provides a retrospective analysis of the energy security discourse development in NATO. The article argues that despite the fact that NATO has rather limited role, the so called Golden Energy Triangle formula with a strong Education and Training charge applied by NATO Energy Security Centre of Excellence could provide a further impetus and windows of opportunities for further development of South Caucasus region cooperation on energy security.