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Wind power integration using individual heat pumps – Analysis of different heat storage options

Author

Listed:
  • Hedegaard, Karsten
  • Mathiesen, Brian Vad
  • Lund, Henrik
  • Heiselberg, Per

Abstract

Significant installations of individual heat pumps are expected in future energy systems due to their economic competitiveness. This case study of the Danish energy system in 2020 with 50% wind power shows that individual heat pumps and heat storages can contribute to the integration of wind power. Heat accumulation tanks and passive heat storage in the construction are investigated as two alternative storage options in terms of their ability to increase wind power utilisation and to provide cost-effective fuel savings. Results show that passive heat storage can enable equivalent to larger reductions in excess electricity production and fuel consumption than heat accumulation tanks. Moreover, passive heat storage is found to be significantly more cost-effective than heat accumulation tanks. In terms of reducing fuel consumption of the energy system, the installation of heat pumps is the most important step. Adding heat storages only moderately reduces the fuel consumption. Model development has been made to facilitate a technical optimisation of individual heat pumps and heat storages in integration with the energy system.

Suggested Citation

  • Hedegaard, Karsten & Mathiesen, Brian Vad & Lund, Henrik & Heiselberg, Per, 2012. "Wind power integration using individual heat pumps – Analysis of different heat storage options," Energy, Elsevier, vol. 47(1), pages 284-293.
  • Handle: RePEc:eee:energy:v:47:y:2012:i:1:p:284-293
    DOI: 10.1016/j.energy.2012.09.030
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    References listed on IDEAS

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    1. Lund, H & Münster, E, 2003. "Modelling of energy systems with a high percentage of CHP and wind power," Renewable Energy, Elsevier, vol. 28(14), pages 2179-2193.
    2. Kiviluoma, Juha & Meibom, Peter, 2010. "Influence of wind power, plug-in electric vehicles, and heat storages on power system investments," Energy, Elsevier, vol. 35(3), pages 1244-1255.
    3. Keane, A. & Tuohy, A. & Meibom, P. & Denny, E. & Flynn, D. & Mullane, A. & O'Malley, M., 2011. "Demand side resource operation on the Irish power system with high wind power penetration," Energy Policy, Elsevier, vol. 39(5), pages 2925-2934, May.
    4. Connolly, D. & Lund, H. & Mathiesen, B.V. & Leahy, M., 2010. "A review of computer tools for analysing the integration of renewable energy into various energy systems," Applied Energy, Elsevier, vol. 87(4), pages 1059-1082, April.
    5. Lund, Henrik, 2005. "Large-scale integration of wind power into different energy systems," Energy, Elsevier, vol. 30(13), pages 2402-2412.
    6. Papagiannis, G. & Dagoumas, A. & Lettas, N. & Dokopoulos, P., 2008. "Economic and environmental impacts from the implementation of an intelligent demand side management system at the European level," Energy Policy, Elsevier, vol. 36(1), pages 163-180, January.
    7. Lund, H. & Möller, B. & Mathiesen, B.V. & Dyrelund, A., 2010. "The role of district heating in future renewable energy systems," Energy, Elsevier, vol. 35(3), pages 1381-1390.
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