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Electricity usage in Guernsey drops 10% following lockdown

With all but essential staff working from home and the majority of children out of school, Guernsey Electricity have reported a dramatic reduction in electric use. Credit: PA Images

Guernsey’s electricity usage has fallen 10% since the island has been in lockdown.

With all but essential staff working from home and the majority of children out of school, Guernsey Electricity have reported a dramatic reduction in electric use.

The island will now largely run from low carbon renewable energy imports. The power station is likely to only be needed for testing.

The island saw a reduction of 100 megawatt hours on the day lockdown was announced, with the first day of lockdown seeing even less energy being used.

  • How much power is 100 megawatt hours?
5m
Five million minutes of microwave power.
830,000
Hours of TV (or enough energy to watch ITV Channel News1.6 million times).
4m
Enough power to make four million cups of tea.
This graph shows forecast electricity demand (blue) and actual demand (organge) Credit: Guernsey electricity

We have collected data for many years so can estimate the likely demand with a reasonable level of accuracy. This time it is different, as last Monday saw normal levels of electricity supplied and Tuesday showed marked differences with the majority of people working from home but a consistent supply over the day.

On Wednesday, we noticed a much greater reduction as the closures and remote working were enforced. This same reduction was also seen on Thursday and Friday.

– Jon Sexton, Guernsey Electricity’s Head of Generation

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