Indonesian Journal of Energy (IJE) is a peer-reviewed journal published twice a year (February and August) by Purnomo Yusgiantoro Center (PYC). The journal is a multi-disciplinary journal in energy research that aims to be an authoritative source of information for analyses, reviews and evaluations related to energy.

The journal covers research with a strong focus on energy economics, energy analysis, energy modeling, and prediction, integrated energy systems, energy planning, and energy management. The journal also welcomes papers on related topics such as energy conservation, energy efficiency, energy innovation, energy technology, biomass and bioenergy, renewable energy, electricity supply and demand, energy storage, energy in buildings, energy finance, energy law and on economic and policy issues, also provided such topics are within the context of the broader multi-disciplinary scope of energy.