RobotRisk Autonomous Systems Incident & Risk Register
RobotRisk / energy storage
Category

Energy Storage

213 companies tracked, 7 with documented incidents. Ranked by RobotRisk index; tick marks category median where nonzero.

Analyst brief

Seven of 213 energy-storage companies carry records, totaling 16 incidents with fire as the dominant type (8 of 16), followed by recall (4) and single entries for malfunction-related counts, fatality, and regulatory action. Severity is weighted toward level 3 (9 of 16) with one level-5 event. The concentration of fire incidents across grid-scale and battery manufacturers (LG Energy Solution, Fluence, Tesla Energy, Eos Energy, Samsung SDI, EnerSys) is consistent with the known thermal-runaway failure mode of large-format battery systems, and the pattern recurs across multiple independent operators rather than a single company.

Entries by year and severity

252019 S3: 22019 S4: 24192020 S3: 11202022 S2: 11222024 S2: 11242025 S3: 32025 S4: 12025 S5: 1525
S1S2S3S4S5

By incident type

By severity

Highest-index companies

Company risk ranking

CompanyRobotRisk index (0-100)Category percentileBandIncidents
LG Energy Solution
37.0
100% Elevated 5
Tesla Energy
25.0
100% Elevated 3
Fluence
20.2
99% Elevated 4
Eos Energy Enterprises
14.1
99% Low 1
Blue Solutions
10.8
98% Low 1
Samsung SDI
8.3
98% Low 1
EnerSys
7.0
97% Low 1
AESC
0.0
0% None documented 0
American Battery Solutions
0.0
0% None documented 0
Avantus
0.0
0% None documented 0
Bren-Tronics
0.0
0% None documented 0
BYD
0.0
0% None documented 0
Convergent Energy and Power
0.0
0% None documented 0
Custom Power
0.0
0% None documented 0
Electrovaya
0.0
0% None documented 0
Energy Vault
0.0
0% None documented 0
Epec Engineered Technologies
0.0
0% None documented 0
FlexGen Power Systems
0.0
0% None documented 0
Flux Power
0.0
0% None documented 0
Frontier Power USA
0.0
0% None documented 0
GE Vernova
0.0
0% None documented 0
Green Cubes Technology
0.0
0% None documented 0
Hithium
0.0
0% None documented 0
Innergex
0.0
0% None documented 0
Inventus Power
0.0
0% None documented 0
Jupiter Power
0.0
0% None documented 0
Key Capture Energy
0.0
0% None documented 0
Lithium Power Inc
0.0
0% None documented 0
Navitas Systems (East Penn)
0.0
0% None documented 0
NextEra Energy Resources
0.0
0% None documented 0
Nextpower
0.0
0% None documented 0
OneCharge
0.0
0% None documented 0
Panasonic
0.0
0% None documented 0
Plug Power
0.0
0% None documented 0
Rolls-Royce (mtu EnergyPack)
0.0
0% None documented 0
rPlus Energies
0.0
0% None documented 0
Scale Microgrids
0.0
0% None documented 0
Spearmint Energy
0.0
0% None documented 0
Stem Inc
0.0
0% None documented 0
Stryten Energy
0.0
0% None documented 0
Sungrow
0.0
0% None documented 0
TerraFlow Energy
0.0
0% None documented 0
Totex Manufacturing
0.0
0% None documented 0
ZincFive
0.0
0% None documented 0
Wärtsilä Energy Storage
0.0
0% None documented 0
Powin
0.0
0% Not yet assessed 0
NHOA Energy
0.0
0% None documented 0
Saft
0.0
0% None documented 0
Hitachi Energy
0.0
0% None documented 0
Siemens Energy
0.0
0% None documented 0
Gotion High-Tech
0.0
0% None documented 0
CALB
0.0
0% None documented 0
EVE Energy
0.0
0% None documented 0
SK On
0.0
0% None documented 0
Trina Storage
0.0
0% None documented 0
JinkoSolar
0.0
0% None documented 0
Canadian Solar (e-STORAGE)
0.0
0% None documented 0
Sunwoda
0.0
0% None documented 0
Pylontech
0.0
0% None documented 0
Kokam
0.0
0% None documented 0
Leclanché
0.0
0% None documented 0
sonnen
0.0
0% None documented 0
Tesvolt
0.0
0% None documented 0
Zenobe
0.0
0% None documented 0
Hanwha Qcells
0.0
0% None documented 0
Crown Battery
0.0
0% None documented 0
Hoppecke
0.0
0% None documented 0
Banner Batterien
0.0
0% None documented 0
Trojan Battery
0.0
0% None documented 0
Midac
0.0
0% None documented 0
FIAMM
0.0
0% None documented 0
Discover Battery
0.0
0% None documented 0
Fullriver Battery
0.0
0% None documented 0
Amara Raja
0.0
0% None documented 0
Exide Industries
0.0
0% None documented 0
Okaya Power
0.0
0% None documented 0
Luminous Power Technologies
0.0
0% None documented 0
Livguard
0.0
0% None documented 0
ESS Inc
0.0
0% None documented 0
Invinity Energy Systems
0.0
0% None documented 0
Redflow
0.0
0% None documented 0
VRB Energy
0.0
0% None documented 0
CellCube
0.0
0% None documented 0
Form Energy
0.0
0% None documented 0
Highview Power
0.0
0% None documented 0
Hydrostor
0.0
0% None documented 0
Ambri
0.0
0% None documented 0
Natron Energy
0.0
0% None documented 0
KORE Power
0.0
0% None documented 0
Microvast
0.0
0% None documented 0
Farasis Energy
0.0
0% None documented 0
Ballard Power Systems
0.0
0% None documented 0
Nuvera Fuel Cells
0.0
0% None documented 0
Doosan Fuel Cell
0.0
0% None documented 0
Ceres Power
0.0
0% None documented 0
Loop Energy
0.0
0% None documented 0
ElringKlinger
0.0
0% None documented 0
Symbio
0.0
0% None documented 0
PowerCell Sweden
0.0
0% None documented 0
Intelligent Energy
0.0
0% None documented 0
NGK Insulators
0.0
0% None documented 0
Sumitomo Electric
0.0
0% None documented 0
Log9 Materials
0.0
0% None documented 0
Energy Renaissance
0.0
0% None documented 0
1414 Degrees
0.0
0% None documented 0
e-Zinc
0.0
0% None documented 0
Peak Energy
0.0
0% None documented 0
Polarium
0.0
0% None documented 0
Nilar
0.0
0% None documented 0
Alfen
0.0
0% None documented 0
Powervault
0.0
0% None documented 0
Voltfang
0.0
0% None documented 0
Fenecon
0.0
0% None documented 0
Hyperstrong
0.0
0% None documented 0
Sineng Electric
0.0
0% None documented 0
US Battery Manufacturing
0.0
0% None documented 0
SimpliPhi Power
0.0
0% None documented 0
GenCell Energy
0.0
0% None documented 0
Our Next Energy
0.0
0% None documented 0
Malta Inc
0.0
0% None documented 0
Generac
0.0
0% None documented 0
Enphase Energy
0.0
0% None documented 0
Sol-Ark
0.0
0% None documented 0
Fortress Power
0.0
0% None documented 0
Accelera by Cummins
0.0
0% None documented 0
Eguana Technologies
0.0
0% None documented 0
Moment Energy
0.0
0% None documented 0
Powerstar
0.0
0% None documented 0
Anesco
0.0
0% None documented 0
Nidec ASI
0.0
0% None documented 0
Energy Dome
0.0
0% None documented 0
Verkor
0.0
0% None documented 0
Exide Technologies
0.0
0% None documented 0
Cellcentric
0.0
0% None documented 0
Freyr Battery
0.0
0% None documented 0
CATL
0.0
0% None documented 0
SVOLT Energy Technology
0.0
0% None documented 0
REPT BATTERO
0.0
0% None documented 0
Sinexcel
0.0
0% None documented 0
Growatt
0.0
0% None documented 0
Deye
0.0
0% None documented 0
Envision Energy
0.0
0% None documented 0
LS Energy Solutions
0.0
0% None documented 0
Hyosung Heavy Industries
0.0
0% None documented 0
GS Yuasa
0.0
0% None documented 0
Furukawa Battery
0.0
0% None documented 0
Toshiba
0.0
0% None documented 0
Exicom
0.0
0% None documented 0
SolarEdge
0.0
0% None documented 0
Rondo Energy
0.0
0% None documented 0
Antora Energy
0.0
0% None documented 0
Brenmiller Energy
0.0
0% None documented 0
Kraftblock
0.0
0% None documented 0
Stiesdal Storage Technologies
0.0
0% None documented 0
Hyme Energy
0.0
0% None documented 0
EnergyNest
0.0
0% None documented 0
SaltX Technology
0.0
0% None documented 0
Azelio
0.0
0% None documented 0
RayGen
0.0
0% Not yet assessed 0
Magaldi Green Thermal Energy Storage
0.0
0% Not yet assessed 0
Echogen Power Systems
0.0
0% Not yet assessed 0
CALMAC
0.0
0% Not yet assessed 0
Baltimore Aircoil Company
0.0
0% None documented 0
EVLO Energy Storage
0.0
0% None documented 0
S&C Electric Company
0.0
0% None documented 0
Ameresco
0.0
0% None documented 0
A123 Systems
0.0
0% None documented 0
Vertiv
0.0
0% None documented 0
Eaton
0.0
0% None documented 0
Socomec
0.0
0% None documented 0
Riello UPS
0.0
0% None documented 0
Kohler Uninterruptible Power
0.0
0% None documented 0
Piller Power Systems
0.0
0% None documented 0
Cyber Power Systems
0.0
0% None documented 0
Huawei Digital Power
0.0
0% None documented 0
Fuji Electric
0.0
0% None documented 0
Kehua Tech
0.0
0% None documented 0
GoodWe
0.0
0% None documented 0
Ginlong Solis
0.0
0% None documented 0
Sofar Solar
0.0
0% None documented 0
INVT
0.0
0% Not yet assessed 0
Hyundai Electric
0.0
0% None documented 0
WEG
0.0
0% None documented 0
Narada Power Source
0.0
0% None documented 0
Shuangdeng Group
0.0
0% None documented 0
Sacred Sun Power Source
0.0
0% None documented 0
Highpower International
0.0
0% None documented 0
BAK Battery
0.0
0% None documented 0
Camel Group
0.0
0% None documented 0
Leoch International Technology
0.0
0% None documented 0
Tianneng Battery Group
0.0
0% None documented 0
Chaowei Power Holdings
0.0
0% None documented 0
Coslight Technology International
0.0
0% None documented 0
CSB Energy Technology
0.0
0% None documented 0
NorthStar Battery Company
0.0
0% None documented 0
C&D Technologies
0.0
0% None documented 0
Varta AG
0.0
0% None documented 0
E3/DC
0.0
0% None documented 0
SENEC
0.0
0% None documented 0
RCT Power
0.0
0% None documented 0
Forsee Power
0.0
0% None documented 0
Pixii
0.0
0% None documented 0
FranklinWH
0.0
0% None documented 0
Electriq Power
0.0
0% None documented 0
Blue Planet Energy
0.0
0% None documented 0
BSLBATT
0.0
0% None documented 0
Gelion
0.0
0% None documented 0
Nichicon
0.0
0% None documented 0
Kyocera
0.0
0% None documented 0
Sharp Corporation
0.0
0% None documented 0
Alpha ESS
0.0
0% None documented 0
Redback Technologies
0.0
0% None documented 0
EcoFlow
0.0
0% None documented 0

Recent incidents

SevDateCompanyTypeLocationIncidentSource
S311/23
2025 · 04:30 ET
Eos Energy Enterprises fire Turtle Creek, PA, USAFire at Eos Energy's Turtle Creek, Pennsylvania manufacturing facility · 1 manufacturing facility, large emerge… WPXI
S311/2025Tesla Energy recall USATesla recalls Powerwall 2 AC battery systems over fire/burn risk · ~10,500 units U.S. Consumer Product Sa
S309/23
2025 · 18:57
Tesla Energy fire Boulder City, NV, USATesla Megapack battery fire burns for hours at Boulder City solar facility KTNV
S507/27
2025 · 17:00
LG Energy Solution fatality Holland, MI, USAWorker killed in accident at LG Energy Solution plant in Holland, Michigan MLive
S401/16
2025 · 15:00 PT
LG Energy Solution fire Moss Landing, CA, USAMoss Landing 300MW BESS fire (Vistra) destroys facility using LG Energy Solution cells · 300MW / tens of thousands of battery c… Utility Dive
S209/05
2024 · ~12:00 PT
Fluence fire Escondido, CA, USASDG&E Escondido, California BESS fire 'well managed' by Fluence-supported response · 1 site, minimal impact, no injuries re… Energy-Storage.News
S204/2022Fluence malfunction Chandler, AZ, USAOverheating event at AES 10MW Chandler, Arizona storage facility · 10MW facility, 1 event, no injuries Fluence Energy SEC filin
S302/06
2020
Samsung SDI regulatory ESS facility, South Jeolla Provinc…Samsung SDI batteries implicated in South Korea government ESS fire probe · part of a 27-fire national ESS inciden… The Korea Times
S310/2019LG Energy Solution fire South Korea ESS fires linked predominantly to LG Chem/LG Energy Solution battery cells · 17 of 27 national ESS fire incidents ETNews / Korea Times
S309/19
2019 · ~01:45 ET
EnerSys fire Richmond, KY, USAFire at EnerSys Richmond, Kentucky motive-power battery plant · 1 manufacturing facility, ~$46.1M insu… EnerSys SEC 8-K filing
S404/19
2019 · 20:00 MST
LG Energy Solution fire Surprise, AZ, USAAPS McMicken (Surprise, AZ) battery explosion injures four firefighters · 1 site, 4 firefighters injured IEEE Spectrum
S404/2019
~20:00
Fluence fire Surprise, AZ, USAAPS McMicken (Surprise, AZ) battery explosion injures four firefighters · 1 site, 4 firefighters injured Energy-Storage.News
S3Tesla Energy recall AustraliaTesla Powerwall 2 battery recall in Australia over overheating/fire risk 7NEWS
S3LG Energy Solution recall LG Energy Solution recalls home/ESS batteries after thermal events, one injury · US residential ESS recall, ~$350M cost EnergyTrend
S2Fluence malfunction Overheating event at 300MW Fluence-supplied storage facility · 300MW facility, 1 event, no injuries Fluence Energy SEC filin
S3Blue Solutions recall GermanyMercedes-Benz eCitaro Buses With Solid-State Batteries Recalled · multiple eCitaro buses InsideEVs
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