FACT CHECK Headlines exaggerate danger of hydrogen boilers13 Aug 2021 14:22
A front-page article in the Telegraph, and reports in several other papers including the Sun, Mirror and MailOnline, as well as specialist publication Recharge, claim that hydrogen boilers pose a greater risk than conventional gas boilers and could cause four times as many explosions and injuries.
All the articles claim that hydrogen boilers could cause 39 explosions and 65 injuries or fatalities each year, compared to the nine explosions and 17 injuries or fatalities estimated to be caused by the natural gas boilers currently in use.
However, these estimates are used to compare the explosive potential of the two gases, not to predict what would happen in the real world, where many conditions would be different.
The reported figures come from a safety assessment conducted by engineering consultant Arup as part of the Department for Business, Energy and Industrial Strategy’s (BEIS) Hy4Heat initiative, which aims “to establish if it is technically possible, safe and convenient to replace natural gas (methane) with hydrogen in residential and commercial buildings and gas appliances”.
A BEIS spokesperson told Full Fact: “Elements of this report have been cherry-picked when in fact, it concludes hydrogen can be made as safe as natural gas."
The report in context
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