In this study, a detailed risk assessment study was done for the purpose of identifying risks associated with the security of gas supply in Turkey. Moreover, analysing the risks of the state according to the regulation 994/2010 was issued by European Parliament to safeguard security of gas supply that is accepted after suffering gas supply interruptions. One of the means considered in the regulation to achieve this target is performing a full risk assessment. Recent disruptions took place in Turkish gas network call for performing an extensive risk assessment for Turkey as well. With this paper, gas supply security of Turkey is discussed and its impacts on the security in the state is evaluated in the context of regulation 994/2010 issued by European Union (EU).