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Title: Reduced grid operating costs and renewable energy curtailment with electric vehicle charge management

Abstract

Widespread adoption of plug-in electric vehicles (PEVs) and renewable energy (RE) can help to jointly decarbonize the transportation and electricity sectors. Previous studies indicate strategies to manage PEV charging facilitate integration of RE into electricity grids, but the value of such strategies at scale is unclear because electricity markets and PEV charging have been inadequately represented together. This analysis focuses on the state of California in 2025, and improves on prior work by linking high-resolution mobility and grid dispatch models to quantify the value of managed charging under a 50% RE grid and PEV adoption scenarios up to California's 5 million vehicle target. Even after accounting for practical charging and grid constraints, 0.95 to 5 million “smart” charging PEVs avoid $120 to $690 million in California grid operating costs annually (up to 10% of total costs) and reduce RE curtailment up to 40% relative to unmanaged PEVs. Overnight time-of-use (TOU) charging provides similar cost savings but increases curtailment. Both of these managed strategies defer system infrastructure expansion at the 5 million PEV deployment. The results suggest residential smart charging complemented by TOU tariffs with added daytime periods are policies with most potential to advance California's dual PEV and RE goals.

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1577416
Alternate Identifier(s):
OSTI ID: 1760194
Grant/Contract Number:  
AC02-05CH11231; 32048
Resource Type:
Published Article
Journal Name:
Energy Policy
Additional Journal Information:
Journal Name: Energy Policy Journal Volume: 136 Journal Issue: C; Journal ID: ISSN 0301-4215
Publisher:
Elsevier
Country of Publication:
United Kingdom
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; Plug-in electric vehicles; mobility model; electricity grid; renewable energy; smart charging; time-of-use electricity rate

Citation Formats

Szinai, Julia K., Sheppard, Colin J. R., Abhyankar, Nikit, and Gopal, Anand R. Reduced grid operating costs and renewable energy curtailment with electric vehicle charge management. United Kingdom: N. p., 2020. Web. doi:10.1016/j.enpol.2019.111051.
Szinai, Julia K., Sheppard, Colin J. R., Abhyankar, Nikit, & Gopal, Anand R. Reduced grid operating costs and renewable energy curtailment with electric vehicle charge management. United Kingdom. https://doi.org/10.1016/j.enpol.2019.111051
Szinai, Julia K., Sheppard, Colin J. R., Abhyankar, Nikit, and Gopal, Anand R. Wed . "Reduced grid operating costs and renewable energy curtailment with electric vehicle charge management". United Kingdom. https://doi.org/10.1016/j.enpol.2019.111051.
@article{osti_1577416,
title = {Reduced grid operating costs and renewable energy curtailment with electric vehicle charge management},
author = {Szinai, Julia K. and Sheppard, Colin J. R. and Abhyankar, Nikit and Gopal, Anand R.},
abstractNote = {Widespread adoption of plug-in electric vehicles (PEVs) and renewable energy (RE) can help to jointly decarbonize the transportation and electricity sectors. Previous studies indicate strategies to manage PEV charging facilitate integration of RE into electricity grids, but the value of such strategies at scale is unclear because electricity markets and PEV charging have been inadequately represented together. This analysis focuses on the state of California in 2025, and improves on prior work by linking high-resolution mobility and grid dispatch models to quantify the value of managed charging under a 50% RE grid and PEV adoption scenarios up to California's 5 million vehicle target. Even after accounting for practical charging and grid constraints, 0.95 to 5 million “smart” charging PEVs avoid $120 to $690 million in California grid operating costs annually (up to 10% of total costs) and reduce RE curtailment up to 40% relative to unmanaged PEVs. Overnight time-of-use (TOU) charging provides similar cost savings but increases curtailment. Both of these managed strategies defer system infrastructure expansion at the 5 million PEV deployment. The results suggest residential smart charging complemented by TOU tariffs with added daytime periods are policies with most potential to advance California's dual PEV and RE goals.},
doi = {10.1016/j.enpol.2019.111051},
journal = {Energy Policy},
number = C,
volume = 136,
place = {United Kingdom},
year = {2020},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.enpol.2019.111051

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Cited by: 3 works
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