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A methodology for understanding the impacts of large-scale penetration of micro-combined heat and power

K. Tapia Ahumada, I.J. Pérez-Arriaga, E. Moniz

Co-generation at small kW-e scale has been stimulated in recent years by governments and energy regulators as one way to increasing energy efficiency and reducing CO2 emissions. If a widespread adoption should be realized, their effects from a system's point of view are crucial to understand the contributions of this technology. Based on a methodology that uses long-term capacity planning expansion, this paper explores some of the implications for an electric power system of having a large number of micro-CHPs. Results show that fuel cells-based micro-CHPs have the best and most consistent performance for different residential demands from the customer and system's perspectives. As the penetration increases at important levels, gas-based technologies—particularly combined cycle units—are displaced in capacity and production, which impacts the operation of the electric system during summer peak hours. Other results suggest that the tariff design impacts the economic efficiency of the system and the operation of micro-CHPs under a price-based strategy. Finally, policies aimed at micro-CHPs should consider the suitability of the technology (in size and heat-to-power ratio) to meet individual demands, the operational complexities of a large penetration, and the adequacy of the economic signals to incentivize an efficient and sustainable operation.


Palabras clave: Residential co-generation; Large-scale penetration; Electric power systems


Energy Policy. Volumen: 61 Páginas: 496-512

Índice de impacto JCR y cuartil Scopus: JCR impact factor: 2.696 (2013); 4.880 (2018).

Referencia DOI: DOI icon 10.1016/j.enpol.2013.06.010    

Publicado en papel: Octubre 2013.



Cita:
K. Tapia Ahumada, I.J. Pérez-Arriaga, E. Moniz. A methodology for understanding the impacts of large-scale penetration of micro-combined heat and power. Energy Policy. vol. 61, pp. 496-512, Octubre 2013.


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