Figure 5.1 shows the internal natural gas price for Statoil ASA (I5). In this project a price of 1,4 NOK/Sm3 (natural gas flow at 20°C and 1 atm) will be used for the entire operating period.
With a volume flow of 673,91 MSm3/year natural gas for the process and 390,56 MSm3/year natural gas for combustion, the the annual cost for natural gas consumption becomes