Shore Based Power Supply in Ports-A Case Study - Clean Air for ...

Calculation of Emission Reduction from ShoreBased Power SupplyDetails of OperationVessel A Vessel B Vessel C Vessel DNumber of ferries per day 1 1 1 1Hours at berth per ferry 6 6 6 12Days of operation per year 365 365 365 365Daily Hours at berth 6 6 6 12Annual hours at berth 2190 2190 2190 4380Default Values (US EPA,Details of Vessel Engine Usage2009)Auxiliary engine power (kW) 800 300 300 75 2850Auxiliary engine load at berth (%) 26 26 26 26 26Average boiler power used at berth (kW) 109 109 109 109 109Details of fuel specificationAuxiliary fuel type (choose RO, MDO,MGO) MGO ROAverage auxiliary fuel sulphur content (%) 2.7 2.7Boiler fuel type (choose RO, MDO, MGO) RO ROAverage boiler fuel sulphur content (%) 1 2.7Power CalculationsAuxiliary Engines annual energy (kW) 455520 170820 170820 85410Boilers annual energy (kW) 238710 238710 238710 477420Total PowerAuxiliary Engines annual energy (kW) 882570Boilers annual energy (kW) 1193550