After 42 minutes "in the stone ages" on Monday, Guernsey's power supplies were restored to the island.
But what exactly happened?
Guernsey Electricity imports a mix of nuclear and hydro-electric power from France, as it is generally cheaper than using on-island generators and also helps the island to meet emissions targets.
That power is routed from France to Jersey, and then Jersey to Guernsey.
However, at 16:52 there was a suspected fault with cable GJ1 - the one that links Jersey to Guernsey - causing an island-wide power cut.
The 42-minute delay in power was the amount of time it took for Guernsey's generators to be switched on and start generating enough power to slowly feed it to different parts of the island.
For now, Guernsey is generating its own diesel-powered energy.
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Power cut: What's happening now?
Chris Quevatre
BBC News Online
After 42 minutes "in the stone ages" on Monday, Guernsey's power supplies were restored to the island.
But what exactly happened?
Guernsey Electricity imports a mix of nuclear and hydro-electric power from France, as it is generally cheaper than using on-island generators and also helps the island to meet emissions targets.
That power is routed from France to Jersey, and then Jersey to Guernsey.
However, at 16:52 there was a suspected fault with cable GJ1 - the one that links Jersey to Guernsey - causing an island-wide power cut.
The 42-minute delay in power was the amount of time it took for Guernsey's generators to be switched on and start generating enough power to slowly feed it to different parts of the island.
For now, Guernsey is generating its own diesel-powered energy.