SATLINE upgrades Vilnius hub with Tier III resilience

SATLINE has completed a Tier III-aligned infrastructure upgrade at its Vilnius hub, introducing full redundancy across power and cooling systems.

The overhaul moved the site from a Tier II setup to a design based on Tier III principles under the Uptime Institute's Tier Classification System.

The upgrade covered several parts of the facility's core infrastructure. SATLINE replaced a single generator with two redundant generators, doubled uninterruptible power supply capacity, and overhauled HVAC and cooling systems to add redundancy across thermal management.

The new design removes single points of failure in power and cooling and allows infrastructure components to be serviced without interrupting live operations. The changes were completed without customer-impacting downtime.

Core changes

The move to two generators is a major change in the site's resilience model. Under the previous arrangement, generator failure represented a single point of risk during a grid outage. The new configuration removes that weakness.

UPS capacity was also expanded to provide longer runtime and greater load handling during power events. In parallel, SATLINE modernised its cooling plant to create a redundant setup designed to maintain stable operating conditions if individual components require maintenance or fail.

Tier III designs are generally associated with concurrent maintainability, meaning planned maintenance can take place on key systems without shutting down IT services. SATLINE's revised architecture now follows that approach across the upgraded infrastructure.

Customer impact

For customers, the main benefit is the ability to keep services running while parts of the facility are serviced or upgraded. The upgrade reduces operational risk and improves availability and fault tolerance for clients that rely on the site for satellite communications and related connectivity services.

SATLINE positions itself as a European provider of data centre and satellite infrastructure services for SATCOM businesses. The latest work forms part of a broader investment programme aimed at meeting uptime requirements in those markets.

A key point in the announcement was that the work took place without disrupting customers. Infrastructure upgrades of this kind often involve changes to live power chains and cooling environments, increasing operational complexity where continuous service is required.

Simas Mockevicius, Senior Network Engineer at SATLINE, described the outcome in operational terms.

"Our Tier III-aligned upgrade has already delivered measurable gains in operational resilience. Building on a 10-year track record of 100% uptime across both network and power, we have further strengthened our infrastructure through fully redundant power generation, increased UPS capacity, and modernised cooling. The result is a system that not only sustains uninterrupted service, but is engineered to exceed the reliability benchmarks our customers depend on," said Mockevicius.

The company has more than a decade of experience serving satellite communications customers, and the revised infrastructure is intended to support higher service demands as requirements grow.

The Vilnius upgrade also forms part of a wider strategy to expand SATLINE's infrastructure base for satellite connectivity services.