EURO 2024 Copenhagen
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425. Assessing weather resilience of the Swiss electricity system in 2035 via spatially-explicit modeling

Invited abstract in session MC-53: Sustainable Energy, stream Sustainable and Resilient Systems.

Monday, 12:30-14:00
Room: 8007 (building: 202)

Authors (first author is the speaker)

1. Giacomo Rubino
Renewable Energy Systems, University of Geneva
2. Evelina Trutnevyte
Institute for Environmental Sciences (ISE), Section of Earth and Environmental Sciences, University of Geneva

Abstract

Recent studies point to weather dependency of renewable electricity sources as a limitation to the system’s resilience in case that high shares of renewable electricity are reached. The impact of weather is, however, highly variable in space and time, making high-resolution resilience assessment a necessity. This study aims to test Swiss electricity system in 2035 against 25 years of historical weather conditions that affect hourly profiles of solar photovoltaic (PV), wind power, and hydropower, as well as electricity demand for heating. In particular, four strategies of locating new solar PV, wind plants, and heat pumps in Switzerland are investigated, based on (i) continuation of current trends, (ii) technical potential, (iii) population, and (iv) minimum system cost approach. The analysis is conducted using a technology-rich cost-optimization model EXPANSE that generates scenarios at a temporal resolution of three hours resolution and a spatial resolution of Swiss 2136 municipalities. Six electricity system resilience indicators are then calculated to compare the four strategies: equivalent availability factor, energy import dependency, diversification of energy supply, decentralization index, renewable electricity generation, and self-sufficient electricity supply.

Keywords

Status: accepted

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