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Assessment of sustainable energy system configuration for a small Canary island in 2030

机译：评估2030年加那利群岛小岛的可持续能源系统配置

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摘要

Renewable energy systems can play a key role in sustainable energy supply. Because of the fluctuating electricity generation, storage technologies are needed to close the gap between demand and supply. Besides the electricity sector, the transport sector causes high energy demand. In this context, because of their remoteness, islands can be seen as blueprints for possible energy transition pathways. The objective of this paper is to analyse different principle concepts that come into question for a 100% renewable subtropical island from the distribution system operator's point of view. This perspective offers the possibility to account all system costs needed to transfer a centralised energy system into a 100% renewable one and to assume the macroeconomic costs of such a transfer. For the case of La Gomera the economic competitiveness of renewable energy, particularly solar PV and wind power, is shown. All evaluated sustainable scenarios lead to lower annual cost and primary energy demands than the business-of-usual (BAU) scenario based on the cost assumptions used in this study. The analysis underlines that the combination of different technologies will lead to the lowest primary energy demand and to the lowest annualised cost of 10.89 M(sic) for the entire island energy system, which is 37.2% lower than a BAU scenario.
机译：可再生能源系统可以在可持续能源供应中发挥关键作用。由于发电量的波动，需要使用存储技术来缩小供需之间的差距。除电力部门外，运输部门还导致高能源需求。在这种情况下，由于岛的位置偏僻，可以将其视为可能的能量转换路径的蓝图。本文的目的是从配电系统运营商的角度分析100％可再生亚热带岛屿所遇到的不同原理概念。这种观点提供了解决将集中式能源系统转换为100％可再生能源系统所需的所有系统成本并承担此类转换的宏观经济成本的可能性。对于戈梅拉岛，可再生能源，特别是太阳能光伏和风能的经济竞争力得到了体现。根据本研究中使用的成本假设，所有经过评估的可持续方案都比平常（BAU）方案降低了年度成本和一次能源需求。分析强调，不同技术的组合将导致整个岛能源系统的一次能源需求最低，年化成本最低，为10.89 M（sic），比BAU方案低37.2％。

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