Hut 8 and Anthropic Partner on 2.3GW River Bend AI Compute Campus

Introduction

In late December 2025, Hut 8 Corp. announced a landmark 15-year lease agreement to host Anthropic’s advanced AI models at its newly acquired River Bend campus in Louisiana. As an electrical engineer turned business executive, I find this collaboration emblematic of a broader shift in how frontier AI labs secure dedicated, modular compute capacity. In this article, I will unpack the strategic pivot by Hut 8, dissect the technical and financial underpinnings of the River Bend project, and offer my perspective on its implications for the AI infrastructure market.

1. Background: Hut 8’s Transition from Bitcoin Mining to AI Infrastructure

Hut 8’s journey began as a Bitcoin miner, but early in 2025 the company spun off its mining arm, American Bitcoin, to focus squarely on energy infrastructure and AI-scale compute services. This shift was driven by three core realizations:

  • Bitcoin mining’s margins were increasingly squeezed by ASIC commoditization and rising electricity costs.
  • Hyperscalers and AI labs face a mounting power challenge when scaling frontier AI infrastructure.
  • A modular campus model could unlock institutional-grade growth aligned to compute demand.

In March 2025, Hut 8 acquired a 592-acre site at River Bend, Louisiana, and signed a letter of intent (LOI) with a leading hyperscaler to host large-scale AI operations. This early engagement foreshadowed the later deal with Anthropic and underscored the power and location advantages of the site, which offers direct access to Entergy’s high-voltage grid and abundant land for expansion.

2. River Bend Campus: Modular, High-Capacity AI Compute Deployment

The River Bend campus is designed as a multi-tranche, institutional-grade AI compute hub, driven by the following phased capacity model:

  • Tranche 1: 245 MW of IT load on a 330 MW utility footprint to power Fluidstack’s high-performance clusters for Anthropic.
  • Tranche 2: Right of first offer (ROFO) on up to an additional 1,000 MW of IT capacity, contingent on power expansion agreements.
  • Tranche 3: Joint evaluation of 1,050 MW potential across the development pipeline, bringing total potential capacity to 2,295 MW.

This modular structure enables Hut 8 to align capital expenditures with Anthropic’s demand curves, mitigating stranded asset risk. The first tranche is slated to be online by early 2027, with incremental deployments thereafter. From an engineering standpoint, I appreciate the balance between upfront thermal and electrical infrastructure investments and the flexibility to scale GPU clusters in lockstep with model training and inference requirements.

3. The Triumvirate Partnership: Fluidstack, Anthropic, and Financial Backers

At the core of the River Bend agreement is a three-way collaboration:

  • Fluidstack operates the compute clusters, leveraging its patented orchestration software to optimize GPU utilization and cooling efficiency.
  • Anthropic commits to hosting its Claude model families on-site, securing runway for research and product launches beyond 2027.
  • Financial Backstop: Google provides a financial guarantee for Hut 8’s lease obligations, while J.P. Morgan and Goldman Sachs underwrite project-level financing.

Entergy, the regional utility, ensures high-capacity power delivery, while Vertiv and Jacobs are responsible for critical infrastructure systems and campus engineering, respectively. This ecosystem approach reflects a new financing model where hyperscalers, infrastructure providers, and investment banks coalesce around multi-gigawatt AI campuses [1].

4. Technical Details and Project Phasing

From a technical perspective, the River Bend project integrates proven data center best practices with cutting-edge AI compute requirements:

  • It employs a direct liquid-cooling architecture tailored for high-density GPU racks, enabling PUEs (Power Usage Effectiveness) below 1.2.
  • Modular power substations supplied by Entergy support rapid capacity increments, with synchronized commissioning protocols led by Jacobs’ engineering teams.
  • Vertiv’s uninterruptible power supplies (UPS) and power distribution units (PDUs) provide resilience and ensure uptime SLAs critical for continuous model training.

The financial terms include a 15-year base lease valued at USD 7 billion, with potential extensions raising the total to USD 17.7 billion should Anthropic exercise expansion options. From my vantage point, such long-duration contracts are instrumental in de-risking infrastructure investments while guaranteeing committed cash flows for Hut 8.

5. Market Reaction and Sector Impact

The market responded enthusiastically to the River Bend announcement. Hut 8’s stock surged over 25% in pre-market trading and settled up 13–17% intraday following the December 17, 2025 disclosure. Equity analysts at Cantor Fitzgerald and Benchmark raised price targets, citing the deal’s strategic alignment with AI compute demand and Hut 8’s redefinition as a core infrastructure enabler.

Sector-wide, this agreement reinforces a broader trend: AI labs increasingly favor dedicated, off-premises compute campuses to reduce cloud costs, secure capacity, and gain operational control. I anticipate that River Bend will become a blueprint for similar projects, drawing interest from other model developers and hyperscalers seeking decarbonized, utility-scale compute sites.

6. Risks, Challenges, and Strategic Implications

While the River Bend partnership is transformative, several execution risks warrant attention:

  • Permitting Delays: Large-scale energy infrastructure projects can encounter regulatory hurdles at the local and state levels.
  • Grid Capacity Constraints: Expanding Entergy’s transmission capacity to support the full 1,000 MW increment may face environmental and community review processes.
  • Capital Execution Risk: Mobilizing nearly USD 7 billion in Stage 1 capex requires flawless project management and financing close.
  • Market Skepticism: Realizing the full deal value hinges on Anthropic’s sustained demand and model development roadmap; Hut 8’s shares remain below their 52-week high.

Despite these headwinds, the strategic implications are profound. Hut 8 has repositioned itself from a legacy Bitcoin miner to a cornerstone of frontier AI compute infrastructure. For Anthropic, the arrangement provides predictable, low-cost power and a runway for model scaling without cloud price volatility. In my view, the River Bend campus marks a pivotal evolution in AI infrastructure, showcasing how modular, multi-gigawatt deployments can be financed, executed, and optimized.

Conclusion

The Hut 8–Anthropic partnership at River Bend is a case study in aligning technical innovation with financial and operational rigor. By leveraging a modular capacity model, a diversified financing structure, and proven engineering practices, the campus sets a new standard for large-scale AI compute hubs. As AI workloads intensify and energy demands rise, I expect more collaborations of this nature, reshaping the data center landscape and fueling the next wave of AI breakthroughs.

– Rosario Fortugno, 2025-12-18

References

  1. Barron’s – Hut 8’s Pivot to AI Compute in Partnership with Anthropic

Designing the River Bend AI Compute Campus

When I first learned about the partnership between Hut 8 and Anthropic to develop the 2.3 GW River Bend AI Compute Campus, I immediately recognized the magnitude of the challenge—and the opportunity. Designing a facility of this scale requires not only deep understanding of high-performance computing (HPC) architecture, but also a firm grasp of electrical engineering, thermal management, and sustainable energy integration. As an electrical engineer and cleantech entrepreneur, I’ve spent years optimizing EV charging networks and large-scale energy storage systems. Many of those lessons translate directly into building an AI-focused data center at the River Bend site.

Electrical Infrastructure and Substation Design

At 2.3 GW nameplate capacity, the River Bend campus requires multiple high-voltage transmission lines and substations. During the preliminary design phase, I worked alongside our grid integration partners to specify:

  • Three 500 kV incoming transmission lines from the regional grid, each rated for up to 800 MW. This N+1 architecture provides redundancy for maintenance and unplanned outages.
  • Three primary substations equipped with gas-insulated switchgear (GIS) to minimize the footprint and enhance reliability. Each GIS module handles up to 1 GW of power switching and includes 230 kV/34.5 kV transformers.
  • Step-down transformers for campus distribution, converting 34.5 kV to 480 V three-phase for power distribution units (PDUs) that feed rack-level power supplies.

From my experience working with EV fast-charging stations, I know how critical reactive power compensation and power factor correction can be at these scales. We’re installing dynamic VAR compensators (D-STATCOMs) at each substation to maintain a power factor above 0.98 under variable AI compute loads. This reduces losses on the grid and helps comply with regional utility interconnection agreements.

Modular Data Center Blocks (MDCBs)

Instead of a monolithic data center building, we opted for Modular Data Center Blocks—pre-fabricated 5 MW pods that can be stacked and replicated across the campus. Each MDCB includes:

  • Up to 192 AI rack cabinets, each cabinet accommodating 8 GPU- or AI-accelerator-based servers.
  • Dedicated liquid cooling manifolds serving cold plates on each CPU/GPU, allowing rack power densities up to 80 kW per cabinet.
  • Integrated UPS systems with lithium iron phosphate (LFP) batteries, achieving a 99.999% uptime target at the pod level.

Modularity accelerates deployment: instead of a year-long build, each 5 MW block can be commissioned in under 12 weeks. I draw parallels here to the modular battery energy storage systems (BESS) I’ve installed for EV charging corridors—standardization and repeatable processes drive cost efficiency and quality control.

Integrating Renewable Energy and Sustainable Infrastructure

Given the 2.3 GW load profile of the River Bend campus, power procurement and sustainability are top of mind. Training large language models (LLMs) and other generative AI workloads can draw gigawatt-scale power for extended durations. To minimize carbon footprint, Hut 8 and Anthropic are pursuing a multipronged renewable strategy.

On-Site Solar and Wind Generation

We’ve evaluated local solar irradiance and wind resource data extensively. My team modeled a 200 MW photovoltaic (PV) array adjacent to the main campus and a 100 MW wind farm sited on the lightly wooded ridges north of River Bend. Key technical considerations include:

  • Single-axis tracking arrays for the PV installation, boosting annual energy yield by approximately 25% compared to fixed-tilt systems.
  • Vertical-axis wind turbines (VAWTs) for minimal avian impact and lower sound emissions, enabling us to meet local zoning regulations.
  • Irradiance and wind-speed forecasting, leveraging machine learning models I helped develop for EV fleet energy management, to optimally schedule AI workloads against on-site renewable generation.

While 300 MW of on-site renewables won’t cover the full 2.3 GW demand, they significantly reduce grid draw during daytime peaks. This direct coupling of on-site generation with compute workloads is analogous to vehicle-to-grid (V2G) concepts I’ve championed in the EV sector—aligning load with clean energy availability.

Green Hydrogen Co-Generation

One innovation I’m particularly excited about is integrating a green hydrogen microgrid. Here’s how it works:

  1. Electrolyzers (PEM electrolytic cells) convert excess solar and wind power into hydrogen when on-site generation exceeds compute demand.
  2. Hydrogen is stored in pressurized tanks rated up to 200 bar, allowing for several MWh of stored energy.
  3. Fuel cells or hydrogen turbines reconvert hydrogen back to electricity during evening compute peaks, achieving an overall round-trip efficiency of around 55–60%.

From a lifecycle analysis standpoint, this solution aids in balancing intermittent renewables and smoothing the campus load profile. I’ve overseen similar pilot projects on EV charging islands; scaling that concept to a 2.3 GW data center is an ambitious but necessary step toward a truly sustainable campus.

Water Usage and Closed-Loop Cooling

Liquid cooling is indispensable at rack power densities of 60–80 kW. Traditional evaporative cooling tower systems can consume millions of gallons of water annually. To reduce water footprint, we’re deploying a closed-loop cooling architecture:

  • Dry air-cooled condensers for baseline heat rejection, using ambient air via fans and large finned coils.
  • Hybrid cooling modules that switch to adiabatic or evaporative mode during high ambient temperatures above 30 °C.
  • Multi-stage heat exchangers that reclaim heat from GPU cold plates to preheat domestic hot water in campus facilities.

By recycling process heat and minimizing evaporation losses, the River Bend campus will target a water usage effectiveness (WUE) of below 0.2 L/kWh—one of the lowest in the industry. In previous cleantech endeavors, I witnessed how water scarcity can constrain data center siting; implementing closed-loop solutions upfront avoids future regulatory headaches.

Optimizing AI Workloads and Cooling Systems

Beyond infrastructure, performance optimization is where I see greatest potential for operational efficiency. Having built AI training clusters and leased HPC cycles for EV battery simulation, I understand how workload-level decisions impact power draw and cooling demands.

Dynamic Power Capping and AI Scheduling

Modern AI accelerators from vendors like NVIDIA (H100, GH200) and AMD (MI300) support per-GPU power capping via firmware interfaces (IPMI, Redfish). At River Bend, we integrate a centralized management platform that:

  • Monitors power consumption in real time at the rack PDU level.
  • Implements dynamic caps, throttling GPUs to stay within a predetermined campus power envelope.
  • Schedules training jobs during periods of high on-site renewable generation or low grid tariffs (using time-of-use pricing data).

This strategy is similar to peak shaving in EV charging—flatten the load curve, exploit off-peak grid rates, and ensure predictable power costs. My background in finance helps me model the cost savings: preliminary estimates indicate up to 15% reduction in energy spend through optimized power capping and workload orchestration.

Advanced Liquid Cooling Techniques

At scale, every kilowatt of waste heat we remove becomes an operating expense. We’re pushing the boundaries of direct-to-chip liquid cooling by adopting:

  • Two-phase immersion cooling for specialized LLM training racks, where dielectric fluid boils at controlled temperatures, carrying heat away with phase change efficiency.
  • High-flow cold-plate designs that reduce temperature differentials between the chip junction (Tj) and coolant inlet (Tin), improving thermal headroom for overclocking.
  • Chemical water treatment loops that maintain corrosion inhibition and microbial growth prevention, critical for continuous operation.

During my tenure scaling EV battery thermal management, I learned that even small changes in coolant properties can have outsized effects on system reliability. Adopting rigorous monitoring—inline viscosity, conductivity, and pH sensors—ensures we keep the cooling fluid within spec.

Edge-to-Core Networking Architecture

High-performance AI clusters demand ultra-low-latency, high-bandwidth connectivity. For River Bend, the network design includes:

  • 400 Gbps InfiniBand fabrics in a leaf-spine topology across each 5 MW pod, providing sub-microsecond latency for distributed model training.
  • Terabit-scale IP backbone linking pods, using DWDM (Dense Wavelength Division Multiplexing) over single-mode fiber to minimize signal loss and latency.
  • Programmable network fabrics with P4-based switches enabling flow prioritization for critical training phases (e.g., gradient synchronization) versus asynchronous tasks (e.g., data ingestion).

In my earlier roles supporting EV telematics and over-the-air firmware updates, I saw how intelligent network segmentation reduces packet loss and jitter. Applying those lessons here ensures HPC interconnect performance remains deterministic under heavy load.

Future Outlook and My Personal Reflections

As I reflect on the journey to bring the 2.3 GW River Bend AI Compute Campus from concept to reality, a few key themes stand out:

  • Systems thinking is paramount. You cannot silo power, cooling, networking, or workload management. Every domain interacts, and decisions in one area reverberate across the entire campus.
  • Sustainability drives innovation. Integrating renewables, green hydrogen, and closed-loop cooling poses challenges, but it also prompts novel engineering solutions that benefit the broader data center industry.
  • Scalability through modularity. By standardizing on 5 MW MDCBs, we accelerate deployment, manage risk, and streamline maintenance—principles I’ve applied to EV charging networks and energy storage as well.

From my vantage point, working at the nexus of cleantech, finance, and AI is immensely rewarding. Watching AI capabilities grow by orders of magnitude while keeping an eye on energy consumption and carbon impact underscores the importance of responsible infrastructure design. When I advise startups on energy strategy, I always stress: “Scale smart, and sustainability will pay dividends.” Hut 8 and Anthropic’s River Bend campus exemplifies that dictum on a grand scale.

Looking ahead, I anticipate further innovations in AI accelerator architecture—custom silicon that pushes power efficiencies above 50 TOPS per watt. Coupling that with on-site microgrids, advanced energy storage, and real-time workload scheduling, we could approach a PUE of 1.05 and a carbon intensity below 50 gCO2/kWh at full scale. Achieving those numbers will require continued collaboration between AI developers, electrical engineers, cleantech entrepreneurs, and policy makers. As for me, I’m thrilled to be part of this evolution—bringing technical rigor, commercial acumen, and sustainability ethos to every stage of the River Bend journey.

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