Cartis diligence evidence schedule
atNorth FIN04 Myllykoski Mega Data Center Campus
PRJ-0793 · Site · Kouvola, Kymenlaakso, Finland
Record last updated Oct 28, 2026
Scope and capacity
On August 28, 2026, YIT announced a contract to build FIN04A1, including mechanical, electrical and plumbing works, following a July agreement for another building at FIN04. These are construction contracts, not opening milestones. atNorth FIN04 Myllykoski Mega Data Center Campus, also known as atNorth FIN04, is a data center project in Kouvola, Kymenlaakso, FI associated with atNorth. 45-hectare greenfield campus; 430 MW published campus power capacity; first operations targeted for 2026. Renewable-energy mega campus designed for high-density workloads, liquid cooling and municipal heat reuse. 430 MW is the source-defined future IT or site design envelope.
Headline: 430 MW Planned / design
Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.
Claims and exhibit sources
Jump to a claim (13)
Location context · AtNorth FIN04 | Kouvola | Kymenlaakso | FI
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 61044 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Lifecycle status · Construction
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 61045 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Reported capacity · 430 MW
Planned / design or future potential · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 61046 · Recorded claim type: Design · Review: Approved · Claim date: Not stated
Headline treatment: Separate claim, not added to the headline
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Capacity basis · AtNorth publishes 430 MW of campus power capacity for FIN04; Cartis does not equate it with operating IT load.
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 61047 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Location context · AtNorth FIN04 | Kouvola | Kymenlaakso | FI
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 100996 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Lifecycle status · Construction
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 100997 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Reported capacity · 430 MW
Planned / design or future potential · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 100998 · Recorded claim type: Design · Review: Approved · Claim date: Not stated
Headline treatment: Selected headline
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Capacity basis · 430 MW is the source defined future IT or site design envelope.
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 100999 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth atNorth FIN04 profile
atNorth · Document date: Aug 27, 2026 · Primary
Source reference: SRC-3358 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
https://www.atnorth.com/nordic-data-centers/finland-data-centers/myllykoski-mega-site/
Project identity · AtNorth FIN04
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 101001 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth current Nordic data-center portfolio
atNorth · Document date: Aug 30, 2026 · Primary
Source reference: SRC-5594 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/
https://www.atnorth.com/nordic-data-centers/
Location context · Kouvola, Kymenlaakso, FI
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 101002 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth current Nordic data-center portfolio
atNorth · Document date: Aug 30, 2026 · Primary
Source reference: SRC-5594 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/
https://www.atnorth.com/nordic-data-centers/
Lifecycle status · Construction
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 101003 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth current Nordic data-center portfolio
atNorth · Document date: Aug 30, 2026 · Primary
Source reference: SRC-5594 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/
https://www.atnorth.com/nordic-data-centers/
Development detail · 45-Hectare greenfield campus; 430 MW published campus power capacity; first operations targeted for 2026.
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 101004 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth current Nordic data-center portfolio
atNorth · Document date: Aug 30, 2026 · Primary
Source reference: SRC-5594 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/
https://www.atnorth.com/nordic-data-centers/
Capacity basis · 430 MW is the source defined future IT or site design envelope.
Actual · atNorth FIN04 Myllykoski Mega Data Center Campus (Project)
Claim 101005 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- atNorth current Nordic data-center portfolio
atNorth · Document date: Aug 30, 2026 · Primary
Source reference: SRC-5594 · Fact sheet · Recorded authority: Official primary
Source URL
https://www.atnorth.com/nordic-data-centers/
https://www.atnorth.com/nordic-data-centers/
Counterparties and capital
atNorth · Developer · CMP-0965
KSS Energia · Utility provider · CMP-1615
This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.