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2026-10-07 13:58 UTC
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Nebius Mäntsälä data center · Finland · Nebius
Nebius's AI cloud data-center site in Mäntsälä, Finland. The operator reported completion of expansion up to 75 MW earlier in 2026 without specifying the power basis. A new adjacent 70 MW building is announced, with its substation scheduled for autumn 2027. This site is distinct from Verne's Gneissitie development and Nebius's Lappeenranta project.
Capacity statements: 6 · Sources: 12
75 MW (exact) · unspecified · Total site capacity after announced expansion · 2024-10-08
75 MW (exact) · unspecified · Existing Mäntsälä site after completed expansion · 2026-03-31
70 MW (exact) · unspecified · New adjacent second data-center building · 2026-10-02
70 MW (exact) · grid · Substation serving new adjacent building · 2026-10-02
75 MW (approx) · it · Current campus IT-power estimate · 2026-10-05
145 MW (approx) · it · Projected campus IT power in Q4 2027 · 2026-10-05