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A hydro-wood net-energy approach to hydro project design

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  • Lele, Sharad M.
  • Subramanian, D.K.

Abstract

An integrated approach to energy planning, when applied to large hydroelectric projects, requires that the energy-opportunity cost of the land submerged under the reservoir be incorporated into the planning methodology. Biomass energy lost from the submerged land has to be compared to the electrical energy generated, for which we develop four alternative formulations of the net-energy function. The design problem is posed as an LP problem and is solved for two sites in India. Our results show that the proposed designs may not be viable in net-energy terms, whereas a marginal reduction in the generation capacity could lead to an optimal design that gives substantial savings in the submerged area. Allowing seasonal variations in the hydroelectric generation capacity also reduces the reservoir size. A mixed hydro-wood generation system is then examined and is found to be viable.

Suggested Citation

  • Lele, Sharad M. & Subramanian, D.K., 1988. "A hydro-wood net-energy approach to hydro project design," Energy, Elsevier, vol. 13(4), pages 367-381.
    • Handle: RePEc:eee:energy:v:13:y:1988:i:4:p:367-381
    DOI: 10.1016/0360-5442(88)90031-X
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    Cited by:

    1. Rosa, Luiz Pinguelli & Schaeffer, Roberto, 1995. "Global warming potentials : The case of emissions from dams," Energy Policy, Elsevier, vol. 23(2), pages 149-158, February.
    2. Ramirez, A.D. & Boero, A. & Rivela, B. & Melendres, A.M. & Espinoza, S. & Salas, D.A., 2020. "Life cycle methods to analyze the environmental sustainability of electricity generation in Ecuador: Is decarbonization the right path?," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    3. Varun & Bhat, I.K. & Prakash, Ravi, 2009. "LCA of renewable energy for electricity generation systems--A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(5), pages 1067-1073, June.
    4. Amponsah, Nana Yaw & Troldborg, Mads & Kington, Bethany & Aalders, Inge & Hough, Rupert Lloyd, 2014. "Greenhouse gas emissions from renewable energy sources: A review of lifecycle considerations," Renewable and Sustainable Energy Reviews, Elsevier, vol. 39(C), pages 461-475.

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