Technical Approaches and Institutional Alignment to 100% Renewable Energy System Transition of Madeira Island—Electrification, Smart Energy and the Required Flexible Market Conditions

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Abstract

The integration of renewable energy (RE) in energy systems can be approached in many ways depending on local possibilities. Evaluating this in the limited context of islands, this paper presents a multi‐energy system transition to a 100% RE share in a two‐folded technical analysis. The case study of Madeira Island using the EnergyPLAN modeling tool is used to show strengths and
weaknesses of, on the one hand, electrifying all transport and heating demands on an island, while remaining demands are supplied with biomass, and, on the other hand, additional smart charging, vehicle‐to‐grid, thermal collectors and storages, as well as electrofuel production and storages. Technical results indicate the potentials and advantages of the second approach with 50% less
biomass and no curtailment at 1–3% higher costs, compared to the first one with 7% of production curtailed. The technical analysis is supported by the institutional analysis that highlights the balancing needs through additional flexibility and interaction in the energy system. For maximum flexibility, of both demand and grid, and successful implementation of 100% RE, investment
incentives and dynamic tariffs are recommended entailing more dynamic consumer involvement and strategic energy planning.
Original languageEnglish
Article number4434
JournalEnergies
Volume13
Issue number17
Number of pages23
ISSN1996-1073
DOIs
Publication statusPublished - 2020

Keywords

  • Dynamic market
  • Energy system analysis
  • Flexible demand
  • Modeling
  • Multi-energy system
  • Self-sufficiency
  • Smart energy system

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