As a country with huge natural resources potential, Indonesian government enacts series of regulations concerning energy security covering policy on oil and gas. The main problem of Indonesia's energy security policy is disharmony and incoherence among sets of provisions at primary legislations and secondary legislations. To analyze the legal problems, this article employs statute approach and conceptual approach. This normative legal research aims to measure the validity of norms and to confirm whether the set of regulations is viable as the foundation for furthering national energy policy. This article concludes that inconsistence and ambiguous norms results in conflict of authority between managing institutions of oil and gas. The Executive power, therefore, is urged to simplify bureaucracy of national energy security; consolidate series of regulation to a more relevant and repeal the