PTT Public Company Limited (PTT) and PTT Exploration and Production Public Company Limited (PTTEP)
initiated a project for the construction of the Energy Complex (EnCo) as the office buildings for PTT affiliates, energy-related companies and the Ministry of Energy, so as to save time in business communication and to boost operating efficiency. Founded on August 11, 2004, the Energy Complex Co., Ltd. is responsible for the project construction and operational management of this energy center, with the aim of combining architectural and engineering innovations into the Energy Complex. These innovations have resulted in an Energy Complex that serves as the prototypical building in Thailand for energy conservation, harmonious coexistence of industry and the environment and optimal utilization of resources.