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Sellafield, Cumbria: nuclear construction workers strike on 15–21 June 2026

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Minor Energy (nuclear site construction)

Nearly 2,000 Unite members employed by multiple contractors at the Sellafield nuclear site in West Cumbria will strike from 15 to 21 June 2026. The walkout seeks a site‑specific allowance reflecting specialist and hazardous working conditions; Unite says employers have failed to engage in meaningful talks. Sellafield Ltd says site safety and security will be maintained; this is a further round of action in the allowance dispute.

This alert was originally created on 11 June 2026.

Effective Dates

Organizer

Affected Locations

  • Sellafield (Cumbria)

Sources

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