Forsmark 1 — planned maintenance Jun 09, 2026 – Jun 09, 2026

Forsmark 1 (1100 MW nuclear power) is operating at reduced capacity. Capacity loss: 405 MW. Period: Jun 09, 2026 – Jun 09, 2026.

Forsmark 1

Forsmark 1 in Uppsala län, bidding zone SE3, has reported planned maintenance.

  • Type: planned maintenance
  • Source: nuclear power
  • Nominal capacity: 1100 MW
  • Available capacity: 695 MW
  • Capacity loss: 405 MW
  • Period: Jun 09, 2026 – Jun 09, 2026

Reason: Planned valve test.

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