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Houston-based Riverway Group, LLC, and Offshore Data Center, LLC, announced on October 14, 2026, that they will design and build offshore platforms combining natural-gas power generation with modular data centers. The collaboration is a development objective—not a completed facility, final investment decision, construction start or customer contract.
What Riverway and Offshore Data Center announced
The companies want to place computing equipment beside offshore gas that is stranded, uneconomic to develop through conventional projects or being reinjected beyond what is needed for reservoir-pressure maintenance. Their premise is to consume that gas at the source rather than build a pipeline to shore, generate electricity on land and transmit power to a coastal data center.
Riverway Group says it will contribute automated welding and advanced fabrication. Offshore Data Center says it brings relationships with engineering and equipment partners, including HORTON DO BRASIL TECNOLOGIA OFFSHORE LTDA., whose patented and proprietary semi-submersible hull designs are part of the concept.
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Neither company has identified a Gulf Coast site, investment amount, construction schedule, permitting status, financing, operating customer or contracted equipment supplier. No operating Riverway platform has been announced.
#1 Best Overall
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How the offshore data-center concept would work
- Locate an underused gas supply. The platform would be positioned near offshore gas that cannot justify conventional gathering and transportation economics.
- Generate electricity on the platform. Gas-generation equipment would supply power directly to the computing facility, avoiding a long subsea or onshore pipeline connection and a separate transmission line.
- Install modular liquid-cooled computing. The proposed systems would use liquid-cooled GPUs and CPUs for artificial-intelligence training, inference and other workloads.
- Reject heat through a closed loop. Offshore Data Center describes closed-loop deep-ocean water cooling as a way to reduce the mechanical cooling load. The companies state that cooling can represent as much as 40% of a data center’s energy use; that is a company-reported design claim, not an independently measured result from this project.
- Scale the modules to the workload. The design range includes smaller, faster-to-deploy edge and inference configurations as well as concepts of up to 1 gigawatt for large-scale AI training. Those are proposed capacities, not deployed output.
Platform, hull and fabrication claims
The partners describe a semi-submersible hull that can carry data-center modules, power systems and other industrial equipment. They say the hull may be up to 50% lighter than traditional designs while improving stability and making construction in the United States cost-competitive with shipyards in South Korea, China and Singapore. These are statements from the companies; the announcement provides no independent weight, stability, cost or operating test.
Offshore Data Center also says the hull could support ammonia or methanol production units and conventional production facilities. That expands the platform concept beyond computing, but no specific production project, process design or customer has been disclosed.
Rank #2
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Riverway Industrial Consultants presents itself as an engineering, procurement, management and construction-services firm serving energy and infrastructure markets. The available corporate description does not establish that Riverway Industrial Consultants and Riverway Group, LLC, are the same legal entity, so the two should not be treated as interchangeable.
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How this proposal compares with other floating-data-center concepts
| Concept | Energy and logistics | Computing scale | Cooling and marine design | Assurance or project status | Location and commitment evidence |
|---|---|---|---|---|---|
| Riverway Group and Offshore Data Center | Stranded or undervalued offshore gas converted to platform power; intended to avoid a pipeline and transmission line | Up to 1 GW for large-scale AI training, plus smaller edge and inference configurations; proposed range | Liquid-cooled GPUs and CPUs with closed-loop deep-ocean water cooling; semi-submersible hull associated with HORTON DO BRASIL TECNOLOGIA OFFSHORE LTDA. | No classification approval or independent performance result stated | U.S. Gulf Coast target; site, financing, customer and construction date not stated in the October 14, 2026 announcement |
| Capital Clean Energy Carriers, Samsung Heavy Industries and Lloyd’s Register | Onboard power generation; standardized shipbuilding approach | Not stated in the June 3, 2026 joint-development announcement | Seawater cooling; technical assurance from Lloyd’s Register | Joint-development project, not an operating facility | Deployment site, financing and customer not stated |
| Seatrium floating data-center concept | Energy source and gas logistics not stated | 30 MW concept using six independent 5 MW “Data-in-a-Box” modules; Seatrium is advancing a 100 MW concept | Marine arrangement and cooling flow reviewed as part of the design assessment | Bureau Veritas granted Approval in Principle on July 27, 2026. That is an early technical assessment, not proof of commercial deployment. | Deployment site, financing and operating customer not stated |
Are floating AI data centers operating today?
Floating data centers are an emerging industrial category, not an established fleet of commercial AI facilities. The Riverway announcement describes design and build work still to be developed. The other 2026 examples also remain development concepts or assessed designs. Approval in Principle can indicate that a preliminary arrangement, cooling flow, stability, marine systems and safety review has been performed; it does not demonstrate that a platform has been financed, built, connected to a network or run customer workloads.
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What has to be solved before a Gulf Coast platform can operate
A workable project would need decisions that the announcement leaves open:
- Site and marine permissions: a specific field, lease position, mooring plan, navigation controls and environmental approvals.
- Gas and power reliability: production rates, gas treatment, backup generation and maintenance procedures sufficient for continuous computing loads.
- Hull and classification: detailed structural, stability, fire, electrical and marine-systems reviews, followed by the approvals required for the selected jurisdiction and vessel configuration.
- Cooling and equipment integration: validated heat-exchanger, liquid-cooling and deep-ocean intake or closed-loop designs that protect computing hardware from marine fouling, corrosion and temperature changes.
- Connectivity and operations: redundant links to customers, secure remote management, crew access, replacement-parts logistics and safe maintenance at sea.
- Commercial commitment: financing, equipment orders and an identified workload or customer to justify the proposed capacity.
What readers should take from the announcement
Riverway and Offshore Data Center are proposing a U.S.-built, semi-submersible platform that turns difficult-to-market offshore gas into electricity for colocated liquid-cooled computing. The potential advantages are shorter energy logistics and lower cooling demand, while the principal uncertainties are practical: no site, funding, permits, customer, construction date or operating data has been disclosed. Until those items and the companies’ hull, cooling and cost claims are independently demonstrated, the project should be viewed as an early-stage Gulf Coast design-and-build collaboration rather than a functioning floating AI data center.
Quick Recap
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