globalchange  > 气候变化与战略
DOI: 10.1016/j.enpol.2020.111461
论文题名:
Net solar generation potential from urban rooftops in Los Angeles
作者: Porse E.; Fournier E.; Cheng D.; Hirashiki C.; Gustafson H.; Federico F.; Pincetl S.
刊名: Energy Policy
ISSN: 03014215
出版年: 2020
卷: 142
语种: 英语
中文关键词: Demand ; Duck curve ; Electric grid ; Los Angeles ; Photovoltaic ; Renewable energy
英文关键词: Electric power generation ; Investments ; Solar cell arrays ; Solar energy ; Solar power generation ; Capacity constraints ; Electricity demands ; Electricity generation ; Net generations ; Renewable energy planning ; Risk-community ; Solar generation ; Solar potential ; Electric power transmission networks ; alternative energy ; electricity generation ; investment ; solar power ; spatial data ; urban area ; California ; Los Angeles [California] ; United States
英文摘要: Rooftops provide accessible locations for solar energy installations. While rooftop solar arrays can offset in-building electricity needs, they may also stress electric grid operations. Here we present an analysis of net electricity generation potential from distributed rooftop solar in Los Angeles. We integrate spatial and temporal data for property-level electricity demands, rooftop solar generation potential, and grid capacity constraints to estimate the potential for solar to meet on-site demands and supply net exports to the electric grid. In the study area with 1.2 million parcels, rooftop solar could meet 7200 Gigawatt Hours (GWh) of on-site building demands (~29% of demand). Overall potential net generation is negative, meaning buildings use more electricity than they can produce. Yet, cumulative net export potential from solar to grid circuits is 16,400 GWh. Current policies that regulate solar array interconnection to the grid result in unutilized solar power output of 1700 MW. Lower-income and at-risk communities in LA have greater potential for exporting net solar generation to the grid. This potential should be recognized through investments and policy innovations. The method demonstrates the need for considering time-dependent calculations of net solar potential and offers a template for distributed renewable energy planning in cities. © 2020 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/167420
Appears in Collections:气候变化与战略

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作者单位: Office of Water Programs, California State University, Sacramento, 6000 J Street, Sacramento, CA 95819-6025, United States; Institute of the Environment and Sustainability, University of California, Los Angeles, 619 Charles E. Young Dr. East, La Kretz Hall, Suite 300, Los Angeles, CA 90095-1496, United States

Recommended Citation:
Porse E.,Fournier E.,Cheng D.,et al. Net solar generation potential from urban rooftops in Los Angeles[J]. Energy Policy,2020-01-01,142
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