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Energies 2018, 11(2), 290;

Impact of Climate Change on Combined Solar and Run-of-River Power in Northern Italy

Université de Grenoble-Alpes, CNRS, IGE, F-38000 Grenoble, France
Department of Land, Environment, Agriculture and Forestry, University of Padova, IT-35020 Padova, Italy
Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA
Department of Geography, Hebrew University of Jerusalem, Jerusalem 9190401, Israel
Author to whom correspondence should be addressed.
Received: 5 December 2017 / Revised: 15 January 2018 / Accepted: 18 January 2018 / Published: 25 January 2018
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Moving towards energy systems with high variable renewable energy shares requires a good understanding of the impacts of climate change on the energy penetration. To do so, most prior impact studies have considered climate projections available from Global Circulation Models (GCMs). Other studies apply sensitivity analyses on the climate variables that drive the system behavior to inform how much the system changes due to climate change. In the present work, we apply the Decision Scaling approach, a framework merging these two approaches, for analyzing a renewables-only scenario for the electric system of Northern Italy where the main renewable sources are solar and hydropower. Decision Scaling explores the system sensibility to a range of future plausible climate states. GCM projections are considered to estimate probabilities of the future climate states. We focus on the likely future energy mix within the region (25% of solar photovoltaic and 75% of hydropower). We also carry out a sensitivity analysis according to the storage capacity. The results show that run-of-the river power generation from this Alpine area is expected to increase although the average inflow decreases under climate change. They also show that the penetration rate is expected to increase for systems with storage capacity less than one month of average load and inversely for higher storage capacity. View Full-Text
Keywords: solar power; run-of-the river power; energy mix; Decision Scaling; climate change solar power; run-of-the river power; energy mix; Decision Scaling; climate change

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François, B.; Hingray, B.; Borga, M.; Zoccatelli, D.; Brown, C.; Creutin, J.-D. Impact of Climate Change on Combined Solar and Run-of-River Power in Northern Italy. Energies 2018, 11, 290.

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