Leaked government documents claim to show the exact time homes would lose power during a blackout.
Brits have been warned to prepare for blackouts during this winter, as the energy crisis deepens.
Shortages in gas have worsened in recent months following Vladimir Putin's invasion of Ukraine back in February, and large scale blackouts across the country could be introduced if electricity generators do not have enough gas to meet demand.
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The Electricity Supply Emergency Code (ESEC) gives the prime minister a range of powers to implement blackouts to conserve the country's electricity.
And now documents said to have been leaked by The Sun, appear to show the exact times homes could be affected if the worst does come to the worst.
In the pretty bleak outlook, blackouts would occur in blocks, so that whole areas aren't affected at the same time.
According to the plan, blackouts could happen every day of the week, in eight separate three-hour slots.
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The first would start at 00:30 and run until 3:30am, with the final slot running between 9:30pm to 12.30am.
The documents state that there would be 18 levels of severity when it comes to how many homes and areas will be affected at any one time.
The first could see blackouts taking place between three and four times a week, while the most extreme will see a 'total shutdown'.
During this time, however, certain buildings and utilities such as hospitals, oil refineries, water and sewerage installations and major airports would be protected.
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Despite the stark warning, however, the Energy Networks Association (ENA) recently said it's first important to understand that before any planned cuts are carried out, the National Grid ESO takes a number of steps to prevent it from happening.
These include encouraging additional energy generation through the supply market, requesting heavy industrial users to limit demand during peak times and encouraging domestic users to reduce their usage through incentives.
According to the ENA: "If an emergency power cut is implemented, customers in certain parts of the country would typically be without power for around three hours per day during the emergency.
"Distribution network operators, which run the local power networks, would be legally instructed by National Grid ESO, which controls the flow of energy around the country, to disconnect power supplies using established procedures.
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"These procedures are set out by the government in a document known as the Electricity Supply Emergency Code, sometimes referred to as ESEC.
"The procedures ensure that power is shared fairly across all customers during a national energy emergency."
LADbible has contacted the National Grid for a comment.
Dominic Smithers