Economic and environmental evaluation of biomass utilization energy systems - Analysis on the wood tip biomass cogeneration system for an industrial user

Yasushi Ishida, Masaaki Bannai, Takahiko Miyazaki, Shinichi Nakazawa, Ryuichi Yokoyama

    Research output: Contribution to journalArticle

    Abstract

    The study evaluated the biomass cogeneration system (BCGS) and the biomass steam generation system (BSGS) from the viewpoints of CO2 emissions reduction and the profit of the project. The energy, cost and CO2 emissions of BCGS and BSGS for an industrial user were predicted by simulation. The effects of the cost and CO2 savings were estimated by the comparison with a conventional system that was consisted of the grid electricity and oil boilers. The profitability of the system was evaluated by the net present value (NPV) and the internal rate of return (IRR). The results showed that the BCGS produced a larger NPV, while the BSGS had a higher IRR. It was also found that the BCGS could mitigate the risks on the profitability caused by the fluctuation of the energy prices.

    Original languageEnglish
    Pages (from-to)547-553
    Number of pages7
    JournalNihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy
    Volume90
    Issue number6
    DOIs
    Publication statusPublished - 2011

    Keywords

    • Cogeneration
    • Internal rate of return
    • Net present value
    • Woody biomass

    ASJC Scopus subject areas

    • Energy(all)

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