当前位置: X-MOL 学术Energy Policy › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Opportunities for installed combined heat and power (CHP) to increase grid flexibility in the U.S.
Energy Policy ( IF 9.3 ) Pub Date : 2021-08-09 , DOI: 10.1016/j.enpol.2021.112485
Hyeunguk Ahn 1 , William Miller 1 , Paul Sheaffer 1 , Vestal Tutterow 1 , Vi Rapp 1
Affiliation  

Increasing use of renewable energy requires sufficient grid flexibility to address uncertainty and variability in electricity generation. Previous studies suggest that combined heat and power (CHP) systems may support grid flexibility but they do not consider operating hours. In this paper, we used CHP operating data and determined annual and monthly availability of the installed CHP capacity from various sectors (e.g., utility, independent power producer, commercial, and industrial) in all seven U.S. independent system operators (ISOs) and regional transmission organizations (RTOs). Also, we estimated hourly CHP availability installed in five facility types (i.e., hospitals, universities, hotels, offices, and manufacturing) in the state of New York. The results show that regardless of ISO/RTO, sector, or season, more than 40% of the installed CHP capacity (0.7–8.7 GW) was not fully utilized in 2019; the results are similar for 2018. This available CHP capacity accounted for up to 9% of the ISO/RTO's peak electric demand, which may yield cost savings up to $16 billion by avoiding installation costs of new natural gas combustion or combined-cycle turbines. To exploit the available CHP capacity to enhance grid flexibility, we recommend different policy implications including flexible contract lengths between CHP owners and grid operators, improved market designs, and simplified interconnection standards.



中文翻译:

安装热电联产 (CHP) 以提高美国电网灵活性的机会

增加可再生能源的使用需要足够的电网灵活性来解决发电的不确定性和可变性。先前的研究表明,热电联产 (CHP) 系统可能支持电网灵活性,但并未考虑运行时间。在本文中,我们使用了 CHP 运行数据,并确定了美国所有七个独立系统运营商 (ISO) 和区域传输中各个部门(例如,公用事业、独立发电商、商业和工业)的 CHP 装机容量的年度和月度可用性组织 (RTO)。此外,我们估计了纽约州五种设施类型(即医院、大学、酒店、办公室和制造)中安装的每小时热电联产设备的可用性。结果表明,无论 ISO/RTO、扇区或季节如何,2019 年超过 40% 的热电联产装机容量(0.7-8.7 吉瓦)没有得到充分利用;2018 年的结果类似。这种可用的 CHP 容量占 ISO/RTO 峰值电力需求的 9%,通过避免新天然气燃烧或联合循环涡轮机的安装成本,这可能会节省高达 160 亿美元的成本。为了利用可用的 CHP 容量来提高电网灵活性,我们建议不同的政策含义,包括 CHP 所有者和电网运营商之间的灵活合同期限、改进的市场设计和简化的互连标准。通过避免新的天然气燃烧或联合循环涡轮机的安装成本,可以节省高达 160 亿美元的成本。为了利用可用的 CHP 容量来提高电网灵活性,我们建议不同的政策含义,包括 CHP 所有者和电网运营商之间的灵活合同期限、改进的市场设计和简化的互连标准。通过避免新的天然气燃烧或联合循环涡轮机的安装成本,可以节省高达 160 亿美元的成本。为了利用可用的 CHP 容量来提高电网灵活性,我们建议不同的政策含义,包括 CHP 所有者和电网运营商之间的灵活合同期限、改进的市场设计和简化的互连标准。

更新日期:2021-08-09
down
wechat
bug