For many families in the area Hinkley means jobs. Our reporter Robert Murphy has met a family which has had two generations work in the power plant - and may have a third in years to come.
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Hundreds are expected to attend the service wearing pink, Maisie Duncan's favourite colour.
A bright chilly start but a fine afternoon with sunny spells for most. Mild winds will help temperatures approaching double figures.
A chilly start with some cloud but that will break up allowing sunny spells to dominate the afternoon. Temperatures are on the rise too.