Map
Sign in
← Explore registry

Finland / Site

Polarnode Kuopio Mustakorpi data center

Polarnode Kuopio · Mustakorpi data center

Planned

Planned Mustakorpi campus in southern Kuopio, between Hiltulanlahti and Pellesmäki. Polarnode reports approximately 50 MW for the first phase and potentially 250 MW across later phases, without identifying IT load. The city approved a planning reservation in December 2025; an investment decision and construction start have not been established.

Last researched 2026-10-07Last verified Not independently verifiedPublished revision 1
No approved site photo yet. Photos and their source dates are published after evidence review.

Site profile

Operator
Polarnode Oy (developer and prospective operator)
Ownership
Unknown / not established
Business model / scale
Unknown / Unknown
Region / metro
Pohjois-Savo / Unknown
City / locality
Kuopio
Address
Unknown
Location
Mustakorpi, between Hiltulanlahti and Pellesmäki; municipal reservation identifies portions of five properties. No sourced facility point or street address established.
Precision: area
Parent
Not assigned

Capacity evidence

Statements retain their dates, definitions and development scope. Do not add these rows together.

Claim / measurementScope and statusAs ofEvidence and accounting
≈50 MW
Unspecified power
First phase of Mustakorpi campus
Planned · incremental
2025-12-10Reported claim ↗

Excluded from capacity totals. As of announcement publication. Described as planned design capacity; IT versus facility power is unspecified. Included within potential campus total.

≈250 MW
Unspecified power
Potential ultimate Mustakorpi campus across phases
Planned · cumulative
2025-12-03Reported claim ↗

Excluded from capacity totals. As of announcement publication. Upper-end expansion potential conditional on the electrical grid; enum lacks an upper-bound qualifier. Not established as IT load or secured power.

250 MW
Grid connection
Maximum available grid capacity advertised for Kuopio project
Planned · unclear
2026-10-07Reported claim ↗

Excluded from capacity totals. As of retrieval of search-indexed undated project page, not a publication or utility commitment date. Exact reflects displayed numeral; maximum capacity is an upper bound. Likely overlaps campus potential and must not be added to other claims.

Development timeline

  1. 2025-12-03 · announcement

    Mustakorpi project preparation announced

    Planning reservation was being prepared ahead of a future investment decision.

    Supporting source ↗
  2. 2025-12-10 · actual decision

    Planning reservation approved

    Municipal board unanimously approved reservation for Polarnode Oy on behalf of the proposed Polarnode Kuopio Oy.

    Supporting source ↗
  3. 2026 spring · planned

    Zoning preparation target

    Announcement scheduled preparation for spring 2026; completion or actual start not established here.

    Supporting source ↗
  4. 2027 · planned

    Construction-ready target

    Target readiness for construction, not an operational opening date.

    Supporting source ↗
  5. 2028 · planned

    Advertised time to power

    Undated search-indexed project page lists 2028; connection delivery is unconfirmed.

    Supporting source ↗

Disclosed specifications

Project land area

Approximately 32 hectares

Reservation area; may change during zoning. Not building floor area.

Source ↗

Reserved property portions

Nurkkala 297-411-3-94; Korvensyrjä 297-411-3-89; Heinjoki 297-411-32-2; Vehmaskorpi 297-411-3-131; Kuusikko 297-411-3-33

Planning reservation covers portions of these city-owned properties, not necessarily entire parcels.

Source ↗

Landowner

City of Kuopio

Land ownership evidence does not establish ownership of a future facility.

Source ↗

Project company relationship

Polarnode Kuopio Oy

Municipal decision names the proposed entity on whose behalf Polarnode Oy receives the reservation; final corporate ownership not established.

Source ↗

Infrastructure availability advertised

Connectivity, water and sewerage access, waste-heat utilisation available to site

Index-only operator claims. Municipal record identifies electricity supply and district-heating development as matters to investigate; installed or commissioned infrastructure is not demonstrated.

Source ↗

Public business contact

info@polarnode.fi

General company contact, not a facility address.

Source ↗

Sources and references

Source attribution does not imply independent verification or permission to reuse images.

Polarnode prepares new data center project in Kuopio ↗

Published 2025-12-03 · Retrieved 2026-10-07

Developer identifies a planned Mustakorpi campus in Kuopio on city-owned land between Hiltulanlahti and Pellesmäki, with approximately 50 MW initially and potential expansion to 250 MW; future investment decision.

Kaupunkirakennelautakunta Pöytäkirja 10.12.2025/Pykälä 236 ↗

Published 2025-12-10 · Retrieved 2026-10-07

Unanimous approval of a planning reservation for Polarnode Oy on behalf of the proposed Polarnode Kuopio Oy; identifies five city-owned properties and notes electricity and district-heating arrangements require investigation.

Tietoa Pohjois-Savosta ↗

Published Date unavailable · Retrieved 2026-10-07

Regional council lists Kuopio among Pohjois-Savo municipalities; displayed content check date is 2025-09-07.

Kuopio — Polarnode project page ↗

Published Date unavailable · Retrieved 2026-10-07

Search-indexed operator page lists Kuopio, Finland, 32 hectares, permitting ongoing, maximum available grid capacity 250 MW and time to power 2028. Direct page opening repeatedly returned an internal error; details are index-only evidence.

Profile field evidence

Name: Polarnode prepares new data center project in Kuopio; Polarnode Plans Major Data Centre Project in Kuopio’s Mustakorpi Area

Aliases: Polarnode prepares new data center project in Kuopio; Alueellinen suhdannekatsaus — INFRA Savo-Karjala

Kind: Polarnode prepares new data center project in Kuopio; Polarnode Plans Major Data Centre Project in Kuopio’s Mustakorpi Area

Country: Polarnode Plans Major Data Centre Project in Kuopio’s Mustakorpi Area; Kuopio — Polarnode project page

Region: Tietoa Pohjois-Savosta

City: Polarnode prepares new data center project in Kuopio; Kaupunkirakennelautakunta Pöytäkirja 10.12.2025/Pykälä 236

Operator: Polarnode prepares new data center project in Kuopio; Kaupunkirakennelautakunta Pöytäkirja 10.12.2025/Pykälä 236

Statuses: Polarnode Plans Major Data Centre Project in Kuopio’s Mustakorpi Area; Alueellinen suhdannekatsaus — INFRA Savo-Karjala

Location: Polarnode prepares new data center project in Kuopio; Kaupunkirakennelautakunta Pöytäkirja 10.12.2025/Pykälä 236; Etelä-Kuopioon kaavaillaan mittavaa datakeskusta – keskus tulisi vanhan viitostien kupeeseen

Summary: Polarnode prepares new data center project in Kuopio; Polarnode Plans Major Data Centre Project in Kuopio’s Mustakorpi Area; Kaupunkirakennelautakunta Pöytäkirja 10.12.2025/Pykälä 236; Alueellinen suhdannekatsaus — INFRA Savo-Karjala

Stable identifier: 646b95ef-ab5f-423c-80b0-65f9eaf6b86d