News <Fact check> "Fire of solar panels cannot be erased with water" is spread on wrong SNS

Fact check "error"

　Twitter posts that claim to be "unable to extinguish the fire with water" for the panel of the solar power system.However, according to the Fire and Disaster Management Agency of the Ministry of Internal Affairs and Communications, although it is necessary to pay attention to electric shock, it has been extinguished with water as well as other fires, which is incorrect.[Wataru Okubo/Digital Press Center]

　The tweet was posted by an anonymous account on October 2, 2021.Yuriko Koike, the Governor of the Tokyo Metropolitan Governor, quoted a tweet criticized by another account in a newspaper article in which the newly built houses would consider the obligation to install solar power generation equipment, and tweeted as follows.A large solar panel for non -residential use is also attached to burning while raising black smoke. This post has been retweeted 7650 as of 8:00 pm on the 14th, with about 10,000 likes.The profile of the account states, "[If you like, email me together!"In the reply to the post, there were noticeable voices of anxiety about "I knew it for the first time" and "how to extinguish the fire?"

Fire and Disaster Management Agency "fire extinguishing with normal water"

Tatsuro Tamaki from the headquarters helicopter at 2:50 pm on September 9, 2019, in Ichihara City, Chiba Prefecture, floating on the surface of Yamakura Dam, which can continue to extinguish the fire.

　Is it really possible to extinguish the fire with water?The Ministry of Internal Affairs and Communications Fire and Disaster Management Agency Fire and Emergency Division denied the post in the Mainichi Shimbun, saying, "We are extinguishing the fire in the same way as other fires. There is no fact that water cannot be used because it is a solar panel."Although the number of accurate cases is not counted, the fire extinguishing of the housing fire with solar panels is said to be "usually implemented at each fire department."

　What is different from other fires is that there is a risk of electric shock during fire extinguishing.Normally, if a fire occurs, the power company will stop the power, but in the case of solar power generation, even if the power transmission system is not working, there is a risk that power will continue in the "module" installed on the roof.is.There is a possibility that the fire will generate electricity, not to mention the day or at night, and the firefighters on site need to be alert to electric shock.In March 2014, the Fire and Disaster Management Agency summarized a report on "Surveying Measures for Solar Power System Fire and Fire Fire activities."According to the report, as a measure to prevent electric shock during fire extinguishing, wear high -insulated gloves and shoes. Water discharge uses spraying water, avoiding bar -shaped water as much as possible.Notes, such as the distance of meters or more (if possible, 10 meters or more )-.On the other hand, there is no description to prohibit the fire extinguishing in water discharge.