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Reduction of cooling water consumption due to photovoltaic and wind electricity feed-in

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  • Johst, M.
  • Rothstein, B.

Abstract

In Germany, in the coming decades, nuclear and some coal power plants shall be substituted mainly by photovoltaic (PV) and wind turbines. In this study the impact of PV+wind electricity feed-in on the operation of thermoelectric power plants and the corresponding water consumption was analyzed for July 2011–June 2013. Using hourly time-series of electricity demand, feed-in by renewables, and net export of power abroad, cycling of all thermoelectric power plants along the River Neckar was simulated and the corresponding cooling water amount was calculated. The study show that the electricity generation by PV+wind results in a 7% reduction of cooling water consumption, that equals 43 l per total MWh. The substitution of coal power plants by PV+wind is highest in spring and autumn due to a coincidence of medium-high electricity demand and high electricity feed-in by PV+wind. Water consumption reduction varies seasonally between 4% and 11%. Over one day a maximum of 28,690m³ less water was consumed due to PV+wind feed-in.

Suggested Citation

  • Johst, M. & Rothstein, B., 2014. "Reduction of cooling water consumption due to photovoltaic and wind electricity feed-in," Renewable and Sustainable Energy Reviews, Elsevier, vol. 35(C), pages 311-317.
    • Handle: RePEc:eee:rensus:v:35:y:2014:i:c:p:311-317
    DOI: 10.1016/j.rser.2014.04.029
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    Cited by:

    1. Nouri, Narjes & Balali, Farhad & Nasiri, Adel & Seifoddini, Hamid & Otieno, Wilkistar, 2019. "Water withdrawal and consumption reduction for electrical energy generation systems," Applied Energy, Elsevier, vol. 248(C), pages 196-206.
    2. Eisenack, Klaus, 2016. "Institutional adaptation to cooling water scarcity for thermoelectric power generation under global warming," Ecological Economics, Elsevier, vol. 124(C), pages 153-163.
    3. Zhang, Chao & Zhong, Lijin & Liang, Sai & Sanders, Kelly T. & Wang, Jiao & Xu, Ming, 2017. "Virtual scarce water embodied in inter-provincial electricity transmission in China," Applied Energy, Elsevier, vol. 187(C), pages 438-448.
    4. Yang, Jin & Chen, Bin, 2016. "Energy–water nexus of wind power generation systems," Applied Energy, Elsevier, vol. 169(C), pages 1-13.
    5. Meylan, Frédéric D. & Moreau, Vincent & Erkman, Suren, 2016. "Material constraints related to storage of future European renewable electricity surpluses with CO2 methanation," Energy Policy, Elsevier, vol. 94(C), pages 366-376.
    6. Meng, Fanxin & Liu, Gengyuan & Liang, Sai & Su, Meirong & Yang, Zhifeng, 2019. "Critical review of the energy-water-carbon nexus in cities," Energy, Elsevier, vol. 171(C), pages 1017-1032.

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