Building sustainable power mix in small island grids: a multi-criteria analysis

Lionel Lemiale (), Rodica Loisel (), Salvy Bourguet, Anthony Roy and Mohamed Machmoum
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Lionel Lemiale: LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - IEMN-IAE Nantes - Institut d'Économie et de Management de Nantes - Institut d'Administration des Entreprises - Nantes - UN - Université de Nantes
Rodica Loisel: LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - IEMN-IAE Nantes - Institut d'Économie et de Management de Nantes - Institut d'Administration des Entreprises - Nantes - UN - Université de Nantes
Salvy Bourguet: IREENA - Institut de Recherche en Energie Electrique de Nantes Atlantique EA4642 - IUT Saint-Nazaire - Institut Universitaire de Technologie Saint-Nazaire - UN - Université de Nantes - EPUN - Ecole Polytechnique de l'Université de Nantes - UN - Université de Nantes - IUT La Roche-sur-Yon - Institut Universitaire de Technologie - La Roche-sur-Yon - UN - Université de Nantes
Anthony Roy: IREENA - Institut de Recherche en Energie Electrique de Nantes Atlantique EA4642 - IUT Saint-Nazaire - Institut Universitaire de Technologie Saint-Nazaire - UN - Université de Nantes - EPUN - Ecole Polytechnique de l'Université de Nantes - UN - Université de Nantes - IUT La Roche-sur-Yon - Institut Universitaire de Technologie - La Roche-sur-Yon - UN - Université de Nantes
Mohamed Machmoum: IREENA - Institut de Recherche en Energie Electrique de Nantes Atlantique EA4642 - IUT Saint-Nazaire - Institut Universitaire de Technologie Saint-Nazaire - UN - Université de Nantes - EPUN - Ecole Polytechnique de l'Université de Nantes - UN - Université de Nantes - IUT La Roche-sur-Yon - Institut Universitaire de Technologie - La Roche-sur-Yon - UN - Université de Nantes

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Abstract: Islands have traditionally experienced great dependency on external energy supply and many of them opted for diesel as fuel for power generation. This study tests scenarios of different levels of renewable penetration on the French Atlantic island Ouessant, facing the general problems of the energy planning such as grid reliability, the lack of economies of scale and reduced investor profitability. A complex model is built combining long-term investment routines with short-term hourly plant dispatching, following a parametric procedure. The energy mix is composed of wind – PV – tidal power plants and distributed battery storage. Their sizes adapt to the peaking loads, leading to an oversized infrastructure and to low usage rates due to loss of market opportunities during low demand hours. New evaluation criteria are necessary to policy makers in the selection of the energy mix, based on the performance of each plant and storage device, the cost of each power facility and the total system cost. From the investor perspective, the key indicator is the loss of energy generated, therefore storage will support the integration of intermittent renewables by avoiding the power curtailed and accurately sizing the generation mix. The final trade-off is between the reasonable rates of energy in excess to be curtailed, the cost of additional storage and the loss of load probability, which are socially and economically admitted by the regulator and by energy operators, having each conflicting interests and objectives.

Keywords: Optimal power system sizing; off-grid islands; renewables; storage; curtailment (search for similar items in EconPapers)
Date: 2019-07-10
Note: View the original document on HAL open archive server: https://hal.science/hal-04568053v1
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Published in 2019 Offshore Energy and Storage Summit (OSES), Jul 2019, BREST, France. pp.1-8, ⟨10.1109/OSES.2019.8867351⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04568053

DOI: 10.1109/OSES.2019.8867351

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