As for all investments, the economic feasibility is an important factor in the final go/no-go decision. In this section, the cost and benefits of a biogas plant system, including dairy cows and stall prices, are discussed. The whole system includes various cost components, which are investment costs, operation and maintenance costs, insurance and taxes, and intake and end use of the whole system. The investment cost for a dairy cow stallwas taken as V80 per m2 of the stall. The investment costs for an anaerobic digester will vary from case to case, depending on the specific needs of the installation. As a result, it is difficult to specify investment costs beforehand. For a clear understanding of what has been said thus far, it is necessary to mention that the total investment costs for an anaerobic digester can vary from V2500 to V7500 per kWh/h electricity
generation [29]. Table 3 shows the calculation of the investmentcost
of the case study for the digestion of 28,105 t/a of dairycow
manure plus 1825 t/a sheep dung. In this study, total investment
costs for an anaerobic digester were taken as 2700 V/kWh. Total
investment costs for a dairy cow were taken as V2500 per cow.
As for all investments, the economic feasibility is an important factor in the final go/no-go decision. In this section, the cost and benefits of a biogas plant system, including dairy cows and stall prices, are discussed. The whole system includes various cost components, which are investment costs, operation and maintenance costs, insurance and taxes, and intake and end use of the whole system. The investment cost for a dairy cow stallwas taken as V80 per m2 of the stall. The investment costs for an anaerobic digester will vary from case to case, depending on the specific needs of the installation. As a result, it is difficult to specify investment costs beforehand. For a clear understanding of what has been said thus far, it is necessary to mention that the total investment costs for an anaerobic digester can vary from V2500 to V7500 per kWh/h electricity
generation [29]. Table 3 shows the calculation of the investmentcost
of the case study for the digestion of 28,105 t/a of dairycow
manure plus 1825 t/a sheep dung. In this study, total investment
costs for an anaerobic digester were taken as 2700 V/kWh. Total
investment costs for a dairy cow were taken as V2500 per cow.
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