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Reducing renewable power curtailment and CO2 emissions in China through district heating storage
Tianjin University, China.
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.ORCID iD: 0000-0003-1613-5762
Mälardalen University, Sweden.
2019 (English)In: Wiley Interdisciplinary Reviews: Energy and Environment, ISSN 2041-8396, E-ISSN 2041-840X, article id e361Article in journal (Refereed) Published
Abstract [en]

Emissions reductions are often achieved through the increased share of renewable energy sources (RES) and China is the leader in the growth of RES in the power sector. This growth has led to high levels of curtailment of RES power due to insufficient reinforcement of the electricity grid to support such growth and due to competition with other power sources. Although the problem of curtailment has been alleviated in recent years, large amounts of power are still discarded, and it is important to consider how to address this problem in the short term and how much CO2e emissions could be avoided as a result. The use of district heating systems to reduce the curtailment of renewable power has seen increasing interest in recent years. Based on a review of potential energy storage in district heating, the current paper assesses the capability to use the national storage potential of district heating systems in China to reduce curtailment and to determine what effects that may have on avoiding CO2e emissions. The distribution networks and the thermal inertia of buildings connected to district heating are considered as two major forms of storage that can be “charged” using power that would otherwise be curtailed. The results show that there may be sufficient storage available to absorb all renewable power that is currently curtailed in those provinces using district heating during the heating season, resulting in avoided emissions of up to 14 MtCO2e/annum. This article is categorized under: Energy and Climate > Economics and Policy Wind Power > Climate and Environment Energy Infrastructure > Climate and Environment Energy and Urban Design > Climate and Environment.

Place, publisher, year, edition, pages
John Wiley and Sons Ltd , 2019. article id e361
Keywords [en]
CO2 emission, district heating storage, renewable power curtailment, thermal inertia, Carbon dioxide, Electric energy storage, Heating equipment, Potential energy, Wind power, Avoided emissions, CO2 emissions, District heating system, Emissions reduction, Energy infrastructures, Renewable energy source, Renewable Power, District heating
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-39857DOI: 10.1002/wene.361Scopus ID: 2-s2.0-85070734905OAI: oai:DiVA.org:ri-39857DiVA, id: diva2:1347179
Note

 Funding details: China Scholarship Council, CSC; Funding details: Stiftelsen för Kunskaps- och Kompetensutveckling, KK; Funding text 1: Jay Hennessy would like to thank the financial support from RISE Research Institutes of Sweden and the Reesbe industrial post‐graduate school, which is financed by the Knowledge Foundation (KK‐stiftelsen), Sweden. W.Z. would like to thank the support from China Scholarship Council.

Available from: 2019-08-30 Created: 2019-08-30 Last updated: 2019-08-30Bibliographically approved

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