Everyone Is Stocking Up on Water. Almost Nobody Is Stocking Up on Power.

Read a household emergency checklist closely and you notice something odd about its shape. The food and water sections are specific, measured in days and litres. Then the list reaches the part about electricity and goes small very quickly. A torch with spare batteries. A radio. A charged power bank. Those are good things to own, and they are also the entire plan for a house that runs on a steady outlet from the moment it wakes up.

That gap is worth closing, because the part of a property that fails first in an outage is rarely the pantry.

The campaign that put this back in the news

On October 22 2026 the UK Cabinet Office launched a public campaign called Be Ready, the first stage of a three year effort to help households feel more prepared for events like severe weather. The ask is modest and specific: be ready to cope with three days of disruption. The official checklist names food that needs no refrigeration or cooking, bottled water at three litres per person per day, a torch and spare batteries, a wind up or battery radio, a charged power bank, cash, documents, medication details, a first aid kit, and supplies for babies and pets. It also tells people not to do it all at once, but to pick up missing items during regular shopping trips to spread the cost. The Defence Secretary, Wes Streeting, told ITV News the next day that the point was to leave people alert rather than alarmed, and rejected the suggestion that the campaign was scaremongering.

That is sober advice, and the logic travels. Wherever you live, a few days of supplies bought gradually is cheap insurance. What interests us is the other half of the list, the half that quietly assumes the lights come back on quickly.

The clock you are actually racing

FoodSafety.gov, run by the US Department of Health and Human Services, puts numbers on it. A refrigerator keeps food cold for about four hours if the door stays closed. A full freezer holds its temperature for about 48 hours, or about 24 hours if it is half full, as long as nobody opens it. Those three figures are the most useful planning numbers in this whole subject, because they tell you where an outage stops being an inconvenience and starts costing money.

Now think about everything else on that same circuit. The internet connection that carries work calls and school. The WiFi that every phone, thermostat and doorbell leans on. Security cameras, the alarm panel, the garage door, smart locks, the sump pump in a wet basement, heating controls in February, and in some homes a medical device that cannot simply wait. When the power drops, most of those stop within the same second, often at the exact moment you most want to see what is happening outside.

Start with the network, because everything else talks through it

The most valuable piece of backup power in most buildings is also one of the cheapest. A correctly sized uninterruptible power supply on the modem, the router and the main network switch keeps the connection, the WiFi and every connected device reachable through short outages, and buys you time to think during long ones. It also smooths the power coming back in, which is when equipment tends to die.

The real gain is consolidation. When cameras and wireless access points draw their power over the network cable itself, using Power over Ethernet, one battery in the network closet can carry a whole system. The alternative is a dozen small batteries scattered around the building, each with its own expiry date and nobody tracking any of them. We design most of our installations the first way for that reason.

One detail catches people out. Your internet provider's equipment down the street can lose power too, so a building can have a healthy battery and still no connection. A cellular backup line that takes over automatically closes that gap, and for a business it is usually the difference between a quiet hour and a closed afternoon.

Keep the cameras recording and the doors behaving

Cameras that record only to the cloud stop recording when the internet stops. Cameras that record locally to a recorder on battery backup keep capturing footage whether or not the outside world can watch, then upload once the connection returns. If security is a reason you installed cameras at all, local recording on protected power is not really optional.

Doors deserve a deliberate decision rather than a default. Most residential smart locks run on their own batteries and keep working through an outage, which is fine as long as somebody changes those batteries before they die. Commercial access control is a different matter. Every electrified door has to be designed to either release or stay locked when power fails, and the right answer depends on life safety codes and on what the door protects. That belongs on paper during design, not discovered during the first storm. Alarm panels carry backup batteries too, and those age quietly over several years, so they belong on a maintenance schedule rather than among the things you assume are fine.

Whole building backup, done properly

For longer outages, a standby generator or a home battery system with a proper transfer switch keeps the place running on its own. Where it gets genuinely interesting is integration. When backup power is tied into the control system, the building can tell you the grid failed, shed lower priority loads by itself, keep heat and the essentials running, and show you the fuel or battery level on your phone from anywhere.

Safety is not negotiable here, and the Consumer Product Safety Commission is blunt about it. Portable generators belong outside only, at least 20 feet away from the house, and well away from windows, doors and vents. Never run one inside a home or a garage, even with the doors and windows open. Install battery operated carbon monoxide alarms, or alarms with battery backup, outside sleeping areas and on every floor, and test them monthly. Connecting any generator to a building's wiring is work for a licensed electrician with a proper transfer switch, which is also the only arrangement that behaves correctly when the grid comes back.

For a business, an outage is a revenue event

A dark house is an inconvenience. A dark business is lost sales, idle staff and sometimes unlocked doors. Point of sale systems, card terminals, phones that run over the internet, door access, the server closet and every cloud application the team uses all stop at once.

The grid is also working harder than it used to. In its Winter Reliability Assessment published in November 2025, the North American Electric Reliability Corporation found that every area had adequate resources for a normal winter peak, but warned that more extreme winter conditions extending over a wide area could still produce electricity supply shortfalls. It described prolonged, wide area cold snaps as capable of driving sharp increases in demand, and noted that winter demand was rising at the fastest rate in recent years, with the forecast up 20.2 GW, or 2.5 percent, over the previous winter.

The fundamentals for a business are not exotic. Protected power on the core network and phone system. Automatic failover to a second internet connection. Servers and storage that shut down gracefully instead of crashing. Offsite backups somebody has actually tested. A short written plan naming who does what when the lights go out. Most of it can be in place well before the first real storm of the season.

A sensible way to start

Walk through your home or building and ask one question in every room: what stops working if the power goes out right now, and which would I miss first? Then handle the basics gradually, over ordinary shopping trips. After that, protect the network, because it carries everything else. Then make sure the cameras keep recording and the doors behave the way you intend. Whole building backup comes last, once you know exactly what it has to carry.

If you would like a clear picture of what your property would lose in an outage and what it would take to keep it running, we are glad to walk through it with you. Reach us through our contact page or call (781) 506-6008.

Sources

GOV.UK: Households Encouraged to Take Small Simple Steps to Stay Prepared in an Emergency
UK Government: The Be Ready Checklist
ITV News: What Items Are on the Be Ready Checklist
FoodSafety.gov: Three Ways to Keep Food Safe When You Lose Power
Consumer Product Safety Commission: What to Know About Portable Generators
North American Electric Reliability Corporation: Winter Reliability Assessment