Petroleum Istanbul, one of the world's largest and most visited fairs in its field, and the simultaneous Gas&Power Network, were held in 1997 for the first time and are held every 2 years. The fair, which is planned to be held in 2025, brings together all the energy-related public institutions and organizations of the Ministry of Energy and Natural Resources with the private sector, and is also an important cooperation platform for national, regional and international energy companies.