Power-use profile analysis of non-domestic consumers for electricity tariff switching

Power-use profile analysis of non-domestic consumers for electricity tariff switching
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电价转换的非住宅用户用电概况分析

DOI:
10.1007/s12053-015-9404-9
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发表时间:
2015
期刊:
影响因子:
3.1
通讯作者:
Granell R
Granell R
中科院分区:
工程技术4区
文献类型:
--
作者:
Granell R

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对于家庭和非家庭消费者,已提出动态电价,作为降低其能源成本和促进需求方反应的一种方式。作为租户的企业很难采取能源效益措施,因此,电费转换是较容易的选择。因此,了解费率转换所带来的成本节约的局限性是重要的一步。这就提出了两个问题:账单能减少多少?所有消费者是否都能平等受益?使用来自7500多家英国企业的半小时电力读数数据集,我们进行了实证分析,以发现哪些类型的企业在静态和实时电价之间变化时成本可能更低或更高。我们确定了需求概况的差异,这表明是否转换关税类型的决定是一个微妙的决定,可能会对成本产生重大影响。该数据集被汇总为五个类别:娱乐,工业,零售,社交和其他。我们的分析方法可用于区分不同市场选项中中小型企业和行业的典型电力需求曲线之间的差异。我们对改用实时电价的分析表明,大多数中小型企业将减少年度电费,其收益不会超过10%。这些企业中的大多数将获得不到5%的收益。我们建议,在提高能源效率或采取其他措施进一步减少账单之前,这为可能节省的现金设定了一个现实的上限。
For both domestic and non-domestic consumers, dynamic electricity tariffs have been proposed as a way to reduce their energy costs and to facilitate demand-side response. It is difficult for businesses which are tenants to adopt energy efficiency measures; thus, tariff switching is the easier option. Therefore, understanding the limits of the cost saving offered by tariff switching is an important step. This raises two questions: by how much could bills be reduced, and would all consumers benefit equally? Using a dataset of half-hourly electricity readings from more than 7500 British businesses, we performed an empirical analysis to discover which types of businesses might have lower or higher costs when changing between static and real-time tariffs. We identified differences in demand profiles that demonstrate that the decision whether to switch tariff types is a subtle one which may have a significant cost impact. The dataset was aggregated into five categories: Entertainment, Industry, Retail, Social, and Other. Our analytical methods can be used to distinguish the differences between typical electricity demand profiles for small- to medium-sized businesses and sectors in different market options. Our analyses of switching to a real-time tariff suggest that most of those small- to medium-sized businesses that would reduce their annual electricity bill would gain by no more than 10 %. Most of these businesses would gain by less than 5 %. This, we suggest, sets a realistic upper limit of the likely cash savings before energy efficiency, or other measures must be taken to further reduce bills.
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