区域地质物理资源变化的影响对单电源和多电源技术投资组合价值的影响
Anna X Li1, Edgar Virgüez2, Jacqueline A Dowling2
1Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States.
Environmental science & technology
|July 15, 2024
概括
能储能为可再生电网提供了最低的系统成本. 长期储存可以在经济上有效地满足风能和太阳能发电系统的短期和长期需求.
科学领域:
- 能源系统分析 能源系统分析
- 整合可再生能源的整合
- 储能技术 储能技术是一种储能技术.
背景情况:
- 电网越来越依赖于可变的风能和太阳能.
- 有效的储能对于电网稳定性和成本效益至关重要.
- 不同的存储技术具有不同的成本和性能特征.
研究的目的:
- 为100%的风能和太阳能电力系统评估各种储能技术的价值.
- 为了比较不同存储类型单独和组合的成本竞争力.
- 分析整个连续的美国和各种区域电网的存储需求.
主要方法:
- 用一种风格化的宏观规模能源模型来设计成本最低的电力系统.
- 模拟了连续的美国和四个不同的负载平衡区域.
- 评估了多种存储技术,包括,离子和假设的长时间存储选项.
主要成果:
- 以当前成本计算,当能储能单独部署时,它为美国连续地区带来了最低的系统成本.
- 假设的长期存储以低的能源容量成本和高成本的离子变得具有成本竞争力.
- 在所有地区,长期存储系统满足了短期和长期需求,抵消了增加短期存储的好处.
结论:
- 长期储能可能为可再生电网的短期和长期需求提供服务.
- 储存的成本效益取决于能源容量成本和特定的电网要求.
- 优化储能部署是实现最低成本,高可再生电力系统的关键.
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