The BESS Failure Incident Database[1] was initiated in 2021 as part of a wider suite of BESS safety research after the concentration of lithium ion BESS fires in South Korea and the Surprise, AZ, incident in the US. The database was created to inform energy storage industry stakeholders and Contact online >>
The BESS Failure Incident Database[1] was initiated in 2021 as part of a wider suite of BESS safety research after the concentration of lithium ion BESS fires in South Korea and the Surprise, AZ, incident in the US. The database was created to inform energy storage industry stakeholders and the public on BESS failures.
Tracking information about systems that have experienced an incident, including age, manufacturer, chemistry, and application, could inform R&D actions taken by the industry to improve storage safety. The focus of the database is on incidents that had a wider public health and safety impact, rather than on operational failures. Some helpful definitions follow:
It is instructive to compare the number of failure incidents over time against the deployment of BESS. The graph to the right looks at the failure rate per cumulative deployed capacity, up to 12/31/2023. The global installed capacity of utility-scale BESS has dramatically increased over the last five years. While failure incidents continue to occur, the overall rate of incidents has sharply decreased, as lessons learned from early failures have been incorporated into the latest designs and best practices.
The information in this database is gathered from media reports and other public documents, such as released root cause analyses (RCA) or corporate press releases. Source documents are identified by active searching of global English-language media, and passive collection of reports through keyword flagging on internet websites and RSS feeds. Crowdsourced information that can be verified through publicly available documentation is also incorporated.
All linked citations have been downloaded (or subsequently re-located on InternetArchive or WayBackMachine after removal), to preserve the available information from each incident.
Once an incident is identified, EPRI reaches out to involved parties for interviews whenever possible, and then links to formal reports released by any investigative entities once they are published. EPRI is also occasionally involved in RCAs or technical evaluations of incidents directly. For example, EPRI provided technical support for the investigation of the Carnegie Road, UK incident in 2020, and published a report on the findings.
This table tracks other energy storage failure incidents for scenarios that do not fit the criteria of the table above. This could include energy storage failures in settings like electric transportation, recycling, manufacturing, etc.
This is a list of energy storage power plants worldwide, other than pumped hydro storage. Many individual energy storage plants augment electrical grids by capturing excess electrical energy during periods of low demand and storing it in other forms until needed on an electrical grid. The energy is later converted back to its electrical form and returned to the grid as needed.
Most of the world''s grid energy storage by capacity is in the form of pumped-storage hydroelectricity, which is covered in List of pumped-storage hydroelectric power stations. This article list plants using all other forms of energy storage.
Another energy storage method is the consumption of surplus or low-cost energy (typically during night time) for conversion into resources such as hot water, cool water or ice, which is then used for heating or cooling at other times when electricity is in higher demand and at greater cost per kilowatt hour (kWh). Such thermal energy storage is often employed at end-user sites such as large buildings, and also as part of district heating, thus shifting energy consumption to other times for better balancing of supply and demand.
Table is by default sorted by operational storage capacity in MWh. Minimum capacity for inclusion is either 100 MWh or 100 MW, with a minimum of 1 hour of storage.
Rather than converting the hydrogen gas into electricity via an electrochemical cell, this system will use a hydrogen-capable gas turbine combined cycle power plant.[69]
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