Energy storage system in US Tesla charging station catches fire

In the early morning of January 21, 2026 local time, the battery energy storage system in the charging station of a commercial super center in St. Marsk, California, caught fire, and the nearby business district was closed.

According to the San Marcos Fire Department, they received an alarm at around 3 a.m. local time on the 21st and rushed to the scene of the accident. Subsequently, the city government of San Marcos issued an incident notification at 11:15 a.m. on the 21st, which showed that the fire started with the supporting battery energy storage system of Tesla electric vehicle charging station. Although firefighters controlled the fire within an hour, the incident area is still a high-risk warning area. As of the afternoon of the 22nd, the area involved is still in a state of complete blockade. Foreign media reports showed that the parking lot where the charging station is located was closed, and nearby supermarkets, home shopping malls, pet hospitals, hotels, coffee shops and other shops were closed.

Some media arrived at the scene and saw that a large area of green protective enclosure had been set up around the charging station to isolate the damaged equipment. A yellow warning belt of "no crossing" has also been set up outside the warning area, and a white temporary tent has been set up in the warning area. Witnesses at the scene also said that Tesla staff and a number of working vehicles Cybertruck entered the blockade area.

The fire department said that before the complete removal of the battery energy storage device, firefighters will continue to be stationed at the scene and continue to monitor the equipment to prevent re-ignition. This is also in accordance with the lithium-ion battery fire monitoring industry standard disposal process, due to the lithium-ion battery fire after the existence of heat storage phenomenon, may be put out in the initial fire several hours or even days after the re-ignition.

The accident profoundly reveals that the core pain point of energy storage safety has been extended from simple "fire fighting difficulty" to "high risk of re-ignition" and "secondary disaster". It was mentioned in the news that although the open flame was extinguished within one hour, the on-site blockade lasted for several days due to the heat storage and re-ignition characteristics of lithium batteries, which not only caused public panic, but also led to the closure of surrounding businesses and caused serious economic losses. This shows that under the trend that industrial and commercial energy storage is increasingly close to the urban core area, the traditional "passive fire fighting" means (I. e. fire fighting) can no longer meet the strict requirements of the market for public safety and commercial continuity; the value of energy storage fire fighting is no longer only to preserve equipment, but also to ensure the safety bottom line of site operation.

In view of the industry pain points, Shengsida from the "early precision blocking" and "rapid emergency disposal" two directions for technical iteration and service upgrade. In the early stage, from the suppression of open fire to the suppression of thermal runaway, the use of a strong continuous cooling capacity and anti-re-ignition performance of the new fire extinguishing medium, and strive to kill the accident in the embryonic stage. Once the accident occurs, the energy storage fire protection solution designed by us can quickly deal with the emergency, minimize the economic loss of customers and the impact on the surrounding environment, and escort the safe development of the new energy industry!