评估家庭动态电力零售价的经济可行性条件

IF 13 Q1 ENERGY & FUELS Advances in Applied Energy Pub Date : 2024-04-16 DOI:10.1016/j.adapen.2024.100174
Judith Stute , Sabine Pelka , Matthias Kühnbach , Marian Klobasa
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引用次数: 0

摘要

能源转型的成功有赖于有效利用电力系统的灵活性。动态电价是一项备受讨论且前景广阔的创新措施,用于激励居民使用灵活性。然而,只有当家庭获得显著收益时,才能充分发挥其潜力。本文专门讨论了这一主题。考虑到家庭的异质性、家庭能源管理系统和智能电表的成本、较高电价和价差的影响以及不同类型消费者之间的差异,我们研究了家庭灵活性的杠杆作用以及使用动态电价的经济效益。为了全面探讨这一主题,我们使用了 EVaTar 建筑模型,这是一个包含嵌入式优化的模拟框架,旨在模拟家庭能源管理系统影响下或响应动态电价时的家庭用电模式。研究的主要发现是,只要电价和价差达到较高水平,家庭就能通过使用家庭能源管理系统和动态电价显著节约成本并提高灵活性利用率。在比较低电价和高电价情景下的价格水平时,如果平均电价上涨 15.2 欧元/千瓦时(比 2019 年的平均电价高出 67%),价差上涨 8.9 欧元/千瓦时(高出 494%),则实现成本节约的家庭比例将从 3.9% 增加到 62.5%。同时拥有电动汽车和热泵的家庭成本效益最高。家庭能源管理系统和计量点的运行需要足够高的价格激励或足够低的成本,才能使家庭通过电动汽车和热泵降低不断上涨的电费,并确保住宅能源系统的灵活性。
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Assessing the conditions for economic viability of dynamic electricity retail tariffs for households

The success of the energy transition relies on effectively utilizing flexibility in the power system. Dynamic tariffs are a highly discussed and promising innovation for incentivizing the use of residential flexibility. However, their full potential can only be realized if households achieve significant benefits. This paper specifically addresses this topic. We examine the leverage of household flexibility and the financial benefits of using dynamic tariffs, considering household heterogeneity, the costs of home energy management systems and smart meters, the impact of higher electricity prices and price spreads and the differences between types of prosumers. To comprehensively address this topic, we use the EVaTar-building model, a simulation framework that includes embedded optimization designed to simulate household electricity consumption patterns under the influence of a home energy management system or in response to dynamic tariffs. The study's main finding is that households can achieve significant cost savings and increase flexibility utilization by using a home energy management system and dynamic electricity tariffs, provided that electricity prices and price spreads reach higher levels. When comparing price levels in a low and high electricity price scenario, with an increase of the average electricity price by 15.2 €ct/kWh (67 % higher than the average for the year 2019) and an increase of the price spread by 8.9 €ct/kWh (494 % higher), the percentage of households achieving cost savings increases from 3.9 % to 62.5 %. Households with both an electric vehicle and a heat pump observed the highest cost benefits. Sufficiently high price incentives or sufficiently low costs for home energy management systems and metering point operation are required to enable households to mitigate rising electricity costs and ensure residential flexibility for the energy system through electric vehicles and heat pumps.

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来源期刊
Advances in Applied Energy
Advances in Applied Energy Energy-General Energy
CiteScore
23.90
自引率
0.00%
发文量
36
审稿时长
21 days
期刊最新文献
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