National Grid had three ‘near-misses’ in the run-up to blackout that caused rush-hour chaos in Britain

Britain had three blackout ‘near-misses’ in the three months before last Friday’s power cut that caused chaos during rush hour.

National Grid is being investigated by the energy watchdog but the power system operator has faced criticism from the industry for failing to do enough to prevent blackouts.

The operator blamed last week’s ‘incredibly rare’ outage, which left a million homes without electricity, on an issue with the grid’s frequency following two generators going offline unexpectedly at about 5pm on Friday.

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Source: MailOnline