期刊论文详细信息
RENEWABLE ENERGY 卷:180
Potential of implementation of residential photovoltaics at city level: The case of London
Article
Olivella, Jordi1  Domenech, Bruno1  Calleja, Gema1 
[1] Univ Politecn Cataluna, BarcelonaTECH UPC, Inst Ind & Control Engn IOC, Barcelona, Spain
关键词: Solar photovoltaic;    Grid parity;    Techno-economic assessment;    London;   
DOI  :  10.1016/j.renene.2021.08.121
来源: Elsevier
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【 摘 要 】

In recent years, reductions in the price of photovoltaic panels and batteries have made them profitable. However, the achievement of grid parity, i.e. whether these systems are cheaper than the national grid for residential users, is still being debated. This paper quantifies the proportion of demand that could be covered assuming that solar-battery adoption is decided based on the maximum profit, the maximum autarky with no extra cost or the maximum autarky with limited extra-cost. A simulation model is developed which performs a half-hourly analysis for one year, considering the solar radiation, the consumption pattern and characteristics of equipment. London is examined using a database gathering consumption from 5567 households. In particular, the techno-economic performance of the systems is studied according to different reward schemes (from a non-subsidized to a high compensation one). Results are discussed according to the optimisation strategy: maximising profit, for users seeking economic performance; and maximum autarky, for users willing independence from the grid. Complementarily, the correlation between characteristics of consumption profiles and autarky is analysed. Results show that installations are profitable for a reward of 0.03 pound/kWh, under profit maximisation, and can attain 90% autarky. The injection reward is still essential to make batteries profitable. (c) 2021 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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