Studie i att ersätta kärnkraftsreaktor med biobränslealternativ
This report contains a study of replacing nuclear power with biofuel. The nuclear plant, OKG north of Oskarshamn in Sweden has been chosen and an extensive literature study about the nuclear plant has been implemented. The main aspect of this report is the availability of biofuels and whether it would be economically sustainable. Sweden?s most common biofuels are examined with regard to scope of use and potential. In the economic analysis the investments and variable costs are investigated. To conclude the work the carbon emissions due to transports of biofuel are examined.The literature study on biofuels were discussed and resulted in that the project was defined towards woodchips. Due to several aspects the project focused on replacing OKG's oldest reactor O1. Furthermore the project focused on just electricity production and combustion with CFB-boilers. Due to the Economic analysis the plant will not be profitable in the current situation. The plant profitability was examined by the net present value method. With 2011s prices, a discount rate of 6 % and an initial investment of 5.78 billion SEK the economic analysis yielded a net present value of -3.53 billion SEK. A higher price of electricity or an alternate income, for example by district heating, would be required to make the plant profitable. It would require a price of electricity of 0.55 SEK/kWh to make the plant profitable. The carbon emission due to transports of biofuel for the new plant was estimated to 6 gram/kWh and this emission was higher than that for the reactor O1.