Washington Clean Energy Fund Grid Modernization Projects: Economic Analysis (Final Report)

Balducci, Patrick; Mongird, Kendall; Alam, Jan; Wu, Di; Fotedar, Vanshika; Viswanathan, Vilayanur V.; Crawford, Alasdair; Yuan, Yong J.; Labove, Garett; Richards, Shane A.; Shane, Xin; Wallace, Kelly

doi:10.2172/1772558

Cited by 2 publications

(7 citation statements)

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“…Updates to the dataset include the following analyses: modular PSH for Shell Energy North America across multiple locations [4•], four utility-scale batteries in the Pacific Northwest [5][6][7], and additional battery analyses conducted by various research teams within the California Independent System Operator (CAISO) area and the Independent System Operator -New England (ISONE) area [8][9][10][11][12].…”

Section: Value By Use Casementioning

confidence: 99%

“…In [6], the BESS demonstrated the capabilities to effectively operate in an islanded model for the customers in the downtown area of Glacier, Washington. This operation results in benefits accruing to Puget Sound Energy customers located in the islanded area, and were monetized in terms of VOLL.…”

Section: Customer Damage Functions and Value Of Lost Loadmentioning

confidence: 99%

“…The study evaluated 704 outages that occurred over 11 years. The Nantucket Island analysis was more comprehensive than [6] because the research team had developed a distribution system model for the island in GridLAB-D and OpenDSS. Furthermore, any outages listed as secondary/service, transformer, or fused branch in the description were eliminated because the BESS + CTG could not address them.…”

Section: Customer Damage Functions and Value Of Lost Loadmentioning

confidence: 99%

“…Individual CDFs often serve as the basis of monetizing outage mitigation. The Avista Utilities in Washington State deployed a 1 MW/3.2 MWh vanadium flow battery system that was developed by UniEnergy Technologies [6]. Avista's battery system was located on the campus of Schweitzer Engineering Laboratories (SEL), which is powered by two redundant feeders (regular feeder TUR117 and alternate feeder TUR116) from Avista's Turner substation located nearby.…”

Section: Customer Damage Functions and Value Of Lost Loadmentioning

confidence: 99%

“…The results matched the finding of SEL's power quality monitoring system. SEL indicated that each voltage sag event of sufficient magnitude and duration caused equipment to shut down for a minimum of 3 h at a cost of $150,000 per hour in lost productivity [6]. With an energy storage system on-site, a solution was devised to engage the fast real and reactive power control capability of its power electronic converters to mitigate the voltage sags and avoid interruptions.…”

Section: Customer Damage Functions and Value Of Lost Loadmentioning

confidence: 99%

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Understanding the Value of Energy Storage for Power System Reliability and Resilience Applications

Balducci

Mongird

Weimar

2021

Curr Sustainable Renewable Energy Rep

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Purpose of Review The need for energy storage in the electrical grid has grown in recent years in response to a reduced reliance on fossil fuel baseload power, added intermittent renewable investment, and expanded adoption of distributed energy resources. While the methods and models for valuing storage use cases have advanced significantly in recent years, the value of enhanced resilience remains an open research question. Recent Findings The findings of the recent research indicate that energy storage provides significant value to the grid, with median benefit values for specific use cases ranging from under $10/kW-year for voltage support to roughly $100/kW-year for capacity and frequency regulation services. While the value of lost load is used widely to estimate the benefits of mitigating short-duration outages, reaching as high as $719/kilowatt-year, there is no consensus when it comes to monetizing the value of improving grid resilience. Summary This paper presents a use case taxonomy for energy storage and uses the taxonomy to conduct a meta-analysis of an extensive set of energy storage valuation studies. It reviews several approaches for monetizing reliability and resiliency services and presents a proposed approach for valuing resiliency for energy storage investments.

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