Document Type

Conference Proceeding

Publisher

Elsevier Ltd

School

School of Engineering

Comments

Originally published as: Shrestha, A., Rana, L. B., Singh, A., Phuyal, S., Ghimire, A., Giri, R., ... Jha, S. K. (2019). Assessment of electricity excess in an isolated hybrid energy system: A case study of a Dangiwada village in rural Nepal. In 2nd International Conference on Energy and Power, (pp. 76-83). Sydney, Australia: Elsevier. Original publication available here

Abstract

The increasing demand of power can be fulfilled through different architectures and electricity supply models by utilizing the available local resources. But most of the isolated energy system suffers from high energy cost and unreliable energy supply. This study identifies different electricity supply models to fulfill the dynamic demand of power in a remote area, which is analyzed in terms of cost of energy and causes for the high cost of energy. Among different factors, the presence of unusable energy (Electricity Excess) produced by the energy system during fulfillment of the demand is found to be major one cause for the high cost of energy. Further, the importance of energy storage system in isolated energy system is discussed. In this case, up to 83.4 % of electricity excess is observed, which can be utilized in different manners to reduce the total energy cost. Electricity excess profile for different energy model, their impacts and possible techniques of the solution with open views are discussed.

DOI

10.1016/j.egypro.2019.02.121

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

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