Economic evaluation of distribution system smart grid investments

Onen, Ahmet; Cheng, Danling; Broadwater, Robert P.; Scirbona, Charlie; Cocks, George; Hamilton, Stephanie; Wang, Xiaoyu; Roark, Jeffrey

doi:10.1080/15325008.2014.975873

Economic evaluation of distribution system smart grid investments

Journal Article · Tue Dec 30 23:00:00 EST 2014 · Electric Power Components and Systems

DOI:https://doi.org/10.1080/15325008.2014.975873· OSTI ID:1183249

Onen, Ahmet ^[1]; Cheng, Danling ^[2]; Broadwater, Robert P. ^[3]; Scirbona, Charlie ^[4]; Cocks, George ^[4]; Hamilton, Stephanie ^[5]; Wang, Xiaoyu ^[5]; Roark, Jeffrey ^[4]

Abdullah Gul Univ., Kayseri (Turkey)
Electrical Distribution Design, Inc., Blacksburg, VA (United States)
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Orange and Rockland Utilities, Inc., Spring Valley, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)

This paper investigates economic benefits of smart grid automation investments. A system consisting of 7 substations and 14 feeders is used in the evaluation. Here benefits that can be quantified in terms of dollar savings are considered, termed “hard dollar” benefits. Smart Grid investment evaluations to be considered include investments in improved efficiency, more cost effective use of existing system capacity with automated switches, and coordinated control of capacitor banks and voltage regulators. These Smart Grid evaluations are sequentially ordered, resulting in a series of incremental hard dollar benefits. Hard dollar benefits come from improved efficiency, delaying large capital equipment investments, shortened storm restoration times, and reduced customer energy use. Analyses used in the evaluation involve hourly power flow analysis over multiple years and Monte Carlo simulations of switching operations during storms using a reconfiguration for restoration algorithm. The economic analysis uses the time varying value of the Locational Marginal Price. Algorithms used include reconfiguration for restoration involving either manual or automated switches and coordinated control involving two modes of control. Field validations of phase balancing and capacitor design results are presented. The evaluation shows that investments in automation can improve performance while at the same time lowering costs.

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

OSTI ID:: 1183249

Report Number(s):: BNL--107335-2015-JA; YN0100000

Journal Information:: Electric Power Components and Systems, Journal Name: Electric Power Components and Systems Journal Issue: 2 Vol. 43; ISSN 1532-5008

Publisher:: Taylor & FrancisCopyright Statement

Country of Publication:: United States

Language:: English

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Performance Evaluation for Sustainability of Strong Smart Grid by Using Stochastic AHP and Fuzzy TOPSIS Methods Zhao, Huiru; Li, Nana Sustainability, Vol. 8, Issue 2 https://doi.org/10.3390/su8020129	journal	January 2016

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