Exa Infrastructure Announces ‘Exa Meridian’: A Landmark 6,552km Transatlantic Subsea Cable Connecting the US and UK

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Exa Infrastructure Announces ‘Exa Meridian’: A Landmark 6,552km Transatlantic Subsea Cable Connecting the US and UK

Date: September 16, 2026
Author: Saf Malik, Senior Content and Insights Manager


Executive Overview

In a landmark development for global digital infrastructure, Exa Infrastructure has officially unveiled plans for Exa Meridian, a state-of-the-art 6,552-kilometer subsea fiber-optic cable system. Stretching from the shores of New Jersey in the United States to Brean in the United Kingdom, the project marks a significant milestone in telecommunications history: it will be the first transatlantic cable entirely built and operated by a single independent infrastructure provider in a decade.

Scheduled to be ready for service (RFS) in the fourth quarter of 2029, Exa Meridian will become the ninth transatlantic cable system in Exa’s expanding portfolio. Engineered to meet the explosive, AI-driven bandwidth demands of the late 2020s and beyond, the system will feature 24 fibre pairs capable of delivering more than 500 Terabits per second (Tbps) of scalable capacity.

Unlike traditional consortium cables or systems built exclusively by individual tech giants, Exa Meridian is positioned as a carrier-neutral wholesale solution. It is designed to cater directly to the evolving needs of hyperscalers, neoclouds, financial institutions, government agencies, and major research organizations. By securing a Contract in Force with subsea specialist Xtera and locking in anchor customer commitments early, Exa Infrastructure is signaling a bold, highly disciplined approach to bridging the North American and European digital economies.


Detailed Chronology and Project Mechanics

The genesis of Exa Meridian reflects a meticulous multi-year strategic build-out by Exa Infrastructure. Over the past two years, the company has systematically strengthened its transatlantic footprint by integrating major routes—such as Dunant, Havfrue, and Amitié—into its comprehensive network. However, while those additions involved scaling capacity on pre-existing or shared systems, Exa Meridian represents an entirely new paradigm: a wholly-owned, purpose-built asset engineered from the ground up to handle next-generation data traffic.

Project Timeline and Milestones

  • Strategic Planning & Market Assessment (2024–2025): Exa leadership closely monitored shifting procurement trends among major bandwidth buyers, identifying a critical industry-wide pivot away from fractional wavelength purchases toward whole fibre pairs and full systems.
  • Supplier Selection & Contract Finalization (Mid-2026): Exa reached a critical milestone by executing a Contract in Force with subsea engineering specialist Xtera, establishing Xtera as the primary supplier for the ambitious build.
  • Target Readiness (Q4 2029): With construction and terrestrial route planning now fully underway, the system is slated for commercial operation by the final quarter of 2029, giving the industry a much-needed injection of high-capacity infrastructure ahead of the next decade’s projected data bottlenecks.

Technical Architecture and Terrestrial Integration

Spanning 6,552 kilometers beneath the Atlantic Ocean, Exa Meridian is not merely a point-to-point underwater pipe; it is designed as an integrated component of a broader, highly resilient network architecture.

The system will feature 24 advanced fibre pairs, unlocking a massive ceiling of over 500 Tbps of scalable capacity. Upon landing at the new cable landing station in Brean, UK, the system will not terminate in isolation. Instead, it will connect seamlessly through diverse, high-capacity terrestrial routes directly into Slough—one of Europe’s primary data center hubs—and into Exa’s extensive pan-European backbone.

This deep terrestrial integration provides customers with a sophisticated mesh of diverse routing options between North America and Europe. Rather than relying on a single vulnerability-prone conduit, enterprises utilizing Exa Meridian will benefit from enhanced redundancy, lower latency, and seamless transitions from deep-sea transit to terrestrial networks.


Supporting Context & Metrics: The Shift in Transatlantic Demand

To fully understand the strategic significance of Exa Meridian, one must examine the profound structural shifts currently transforming the global telecommunications and data center markets.

The AI Boom and Bandwidth Explosion

The exponential rise of generative artificial intelligence (AI), large-scale machine learning models, distributed multi-cloud architectures, and massive data center clustering has fundamentally rewritten the rules of international bandwidth consumption. Training and deploying advanced AI models require continuous, high-speed data transfers between massive server farms located in North America and Europe.

Consequently, traditional purchasing models have become obsolete. Historically, telecommunications operators and enterprises bought individual wavelengths to move data across oceans. Today, the world’s largest technology companies—hyperscalers and neoclouds—are planning in terms of full spectrum and entire fibre pairs.

Exa Infrastructure unveils Exa Meridian, the first single-operator transatlantic cable in a decade

The Competitive Landscape: Wholesale vs. Proprietary Builds

Exa Meridian occupies a unique and compelling niche within the current subsea investment cycle. The transatlantic route is currently witnessing a wave of infrastructure investments, prominently featuring proprietary builds funded directly by tech titans. For instance, Amazon Web Services (AWS) has advanced its Fastnet system, while Microsoft has pursued dedicated Ireland-Wales connectivity links. These projects reflect a strategy where AI labs and cloud giants fund and control their own closed-loop infrastructure from end to end.

In stark contrast, Exa Meridian represents a carrier-neutral wholesale model. Exa is building the infrastructure independently, allowing hyperscalers, neoclouds, and enterprise clients to plug in as anchor tenants and wholesale buyers without the massive capital expenditure and long-term operational overhead of owning a private subsea cable. This model offers flexibility, risk-sharing, and rapid access to capacity for organizations that require tier-one transatlantic connectivity without becoming subsea cable operators themselves.


Official Statements and Industry Perspective

The announcement of Exa Meridian has drawn significant commentary from industry leaders, highlighting the foresight required to execute a project of this magnitude in the current economic and technological climate.

Jim Fagan, Chief Executive Officer of Exa Infrastructure, emphasized that the project is a direct answer to real-time market signals and changing customer procurement habits:

"Demand across the Atlantic is changing at an unprecedented pace. The largest capacity buyers are no longer looking at individual wavelengths; they are planning in full spectrum and fibre pairs. To ensure this capacity is ready to support the digital economy toward the end of the decade, commitments and capital must be secured today."

Fagan further framed Exa Meridian as a testament to the company’s strict investment discipline. By accurately anticipating where the telecommunications market is heading, securing capital early, and leveraging decades of collective delivery experience, Exa is positioning itself to capture the next wave of international data growth.

Industry analysts have similarly praised the move. By partnering with Xtera—a proven leader in subsea optical technology—Exa has mitigated execution risk while ensuring that the 24-fibre-pair system utilizes cutting-edge amplification and transmission technologies capable of supporting future upgrades without requiring subsequent undersea interventions.


Future Outlook: Paving the Way for 2030 and Beyond

As the digital economy races toward 2030, the pressure on global communication backbones will only intensify. The deployment of Exa Meridian serves as an essential pressure valve for the North America-Europe corridor, ensuring that the underlying plumbing of the internet keeps pace with relentless data creation.

For Exa Infrastructure, Exa Meridian anchors its long-term strategy of network densification and ownership. Coupled with recent European terrestrial expansions—such as the newly announced Barcelona-Bilbao corridor—Exa is building an end-to-end digital superhighway that links key financial, cloud, and AI hubs on both sides of the Atlantic.

As construction progresses toward the targeted Q4 2029 readiness date, the telecommunications industry will be watching closely. Exa Meridian not only redefines what an independent operator can achieve in an era dominated by tech behemoths, but it also establishes a new benchmark for resilience, scale, and carrier-neutral accessibility in transatlantic connectivity.

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