Northern Data AG: Lefdal Mine Datacenter

Lefdal Mine Datacenter is an underground data center campus operated by Lefdal Mine Data Centers AS in Måløy, Norway. Taiga Cloud (Northern Data Group) documents that its Norway cloud location is hosted by Lefdal Mine Datacenter, describing the site as a repurposed mineral mine with high sustainability and energy-efficiency standards.

Lefdal Mine Data Centers publishes its own facility website with service pages (including colocation and connectivity), compliance certifications, and technical descriptions for power and cooling, including seawater-based cooling from the Nordfjord and “zero water usage” (WUE 0).

⚙️ Facility Highlights

Facility identity (operator-stated): Facility marketed as Lefdal Mine Data Centers / Lefdal Mine Datacenter (underground data center campus in a former mine).

Address (operator-stated): Gate 1 nr 101, 6700 Måløy, Norway.

Taiga Cloud hosted site (operator-stated by Taiga Cloud documentation): Taiga Cloud states that in Norway it is hosted by Lefdal Mine Datacenter, described as a repurposed, previously abandoned mineral mine.

Power infrastructure (operator-stated): Connected to the main grid at 132kV with a dual supply, with each supply described as expandable up to 200MW of capacity; two main 22kV distribution busses (A and B) are also described.

Cooling architecture (operator-stated): Seawater cooling using year-round seawater at 8°C from the Nordfjord, delivered via a redundant piping system from depth to heat exchangers; heated seawater can be returned to the fjord (no additives) or used in a waste-heat program.

Water usage (operator-stated): WUE (Water Usage Effectiveness) is 0 and there is no need for evaporative systems for cooling.

Colocation capability (operator-stated): Colocation offerings range from individual racks to purpose-built data halls.

🔐 Security & Compliance

Compliance certifications (operator-stated): Certified to ISO 14001:2015, ISO 9001:2015, ISO 45001:2023, and ISO 27001:2023.

Uptime / Tier statement (operator-stated): States it obtained Uptime Tier III design certification in the first phase of buildout.

Security standards references (operator-stated): Security page references design based on industry standards including ISO 14001/9001/27001, Uptime Tier III, and other frameworks; it also describes network segmentation (management/operations/customer networks separated).

Facility-specific physical security implementation details (guards, mantraps, CCTV layouts, access policies, etc.): Not publicly disclosed.

🌐 Connectivity & Carrier Access

Carrier-neutral positioning (operator-stated): Describes itself as a carrier-neutral data center with a network-dense environment and multiple network providers (names not listed on the page), plus diverse facility entry points.

Meet-me rooms (operator-stated): States it has two Meet Me Rooms (MMRs).

Carrier roster / on-net provider list (facility-specific): Not publicly disclosed.

Internet Exchange (IX): Not publicly disclosed.

💼 Who It Serves

Colocation customers (operator-stated): Organizations needing colocation capacity from single racks through purpose-built data halls.

Connectivity-driven deployments (operator-stated): Customers requiring carrier-neutral connectivity with diverse entry points and MMR-based interconnection options.

Taiga Cloud customers (operator-stated by Taiga Cloud documentation): Taiga Cloud users whose workloads are hosted in Norway at Lefdal Mine Datacenter.