A British disaster prepper took to social media to share a thought experiment ranking the utilities they believed were most vulnerable to wide-scale outages.
In Reddit's r/UKPreppers forum, the original poster sparked a discussion about how a power outage could disrupt daily life, from fuel deliveries and food shopping to water services.
Here's what to know
In the Reddit thread, OP wrote that, "I tried to rank the utilities in order of how vulnerable they seem to be to wide-scale disruption. This is my own wildly uneducated guess at a ranking from most to least vulnerable … I'd be interested to see what others think."
Domestic gas was rated least vulnerable to widespread disruption in the ranking, in OP's view, because "domestic gas is difficult to reconnect so would be prioritized to keep going." Water and sewage ranked next least vulnerable, which the OP appreciated because of their "dire importance to health."
In the middle of the pack were internet networks and the food supply. The poster wrote that electricity was the second most vulnerable utility because there are "loads of ways this can go wrong - undersea cables, technical faults, accidents, substation attacks, AI hacking, weather, reliance on gas," among others.
At the top of their list, OP said they believed road fuel was the most vulnerable, but "potentially not catastrophic though, and a government reserve tanker fleet exists."
Commenters quickly added their thoughts and opinions on the ranking. One of the top comments read, "Now do the list with the view of what makes you most vulnerable. Me: 1. Water 2. Gas 3. Electricity 4. Internet. 5. Food. 6. Road fuel."
Another commenter pointed toward a more established resource on the topic, explaining, "The national risk register should give a better idea of the likelihood of each of these," before providing a link to the resource.
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One commenter wrote that they believed OP omitted a crucial resource in their ranking, writing, "I'd also consider the medication supply here too. Many of my medications have already had supply issues over the last 5 years. It's pretty precarious!"
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Pairing solar with a suitably configured battery system can help manage electricity costs and provide backup during outages, addressing the household power dependency central to the discussion.
Where can I learn more?
Planning for utility disruptions means knowing what supplies you have and which household systems need electricity.
• Another UK prepper stocked 50 liters of water alongside solar backup and two go bags.
• UK households were urged to keep three days of supplies for outages and other emergencies.
• One UK parent said a power cut alert provided the push to start preparing.
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