# Wayne Research Full Markdown Corpus Public pages may be crawled, indexed, quoted, summarized, used as AI input, and used for AI training. Attribution to Wayne Research and the original article URL is preferred. ## Site Links - Homepage: https://wayneresearch.com/ - Research index: https://wayneresearch.com/research - AI use permissions: https://wayneresearch.com/ai-use --- # The Anatomy of AI Power in 2026 URL: https://wayneresearch.com/research/anatomy-of-ai-power Author: Luca Matteo Lüthje Published: 2026-05-20 Description: The rapid scaling of AI has shifted the bottleneck of compute from data throughput to energy delivery. While a traditional data center consumes 10 to 50 Megawatts, the first AI clusters are crossing 1 Gigawatt. Constructing a 1-Gigawatt AI data center requires an estimated USD 35 billion in upfront CapEx, with a lot of it going towards energy delivery. We map the journey of electricity from the utility grid to the GPU core, highlighting the vital transitions, hardware innovations, and the industry players developing the future of high-density power supply. ## 1. The Macro Level (Facility) **Path:** Grid → Substation → Switchgear → UPS To train Large Language Models, data centers act as a single, unified supercomputer. When a training sequence initiates, the facility experiences a massive, synchronized demand for power. The journey begins at the utility grid, carrying raw, unconditioned power at extreme voltages (110kV+). An on-site Substation steps this down to a medium voltage (typically 11kV to 35kV). The most critical facility-level component is the Uninterruptible Power Supply (UPS). If the grid fluctuates or fails, diesel or gas generators take several seconds to boot. The UPS utilizes massive battery arrays to bridge this gap, ensuring the AI clusters never lose power. | Substation | --> | UPS & Genset | --> | Room PDU | | > 110 kV AC | | 11-35 kV AC | | 480 V AC | | 415 V AC | +------------------+ +------------------+ +------------------+ +------------------+ | v +------------------+ +------------------+ +------------------+ | AI GPU Core | <-- | VRM / PoL | <-- | Power Shelf | | 0.7 V / 2,083 A | | 48 V -> 0.7 V | | 48 V DC | +------------------+ +------------------+ +------------------+`} title="[ EXHIBIT 1 ] END-TO-END POWER DELIVERY ARCHITECTURE" description="Voltage steps down by 157,000× from utility to silicon; each conversion is a margin for loss, latency, and capital cost." /> **Key Players:** Companies like Schneider Electric, Eaton, and ABB dominate this infrastructure. Semiconductor companies (e.g., Infineon, Wolfspeed) provide the Silicon Carbide (SiC) switches inside the UPS, with some modern UPS products advertising up to ~99% efficiency. ## 2. The Distribution Level **Path:** UPS → Floor PDUs → Busways → Rack Once power is conditioned by the UPS, it is distributed across the data center floor. It travels through large transformers inside floor-level Power Distribution Units (PDUs), which step the voltage down to 415V or 240V AC. This power is transported down the aisles of server racks via overhead or underfloor copper bars known as Busways. Because AI racks consume significantly more power than traditional web-hosting racks (up to 120kW per rack compared to a traditional 10kW), these busways must carry immense current. Traditional mechanical circuit breakers are being replaced by Solid-State Circuit Breakers (SSCBs) that can cut power in microseconds to prevent catastrophic arc flashes. AI datacenter operators are willing to significantly increase their spending for these components, because a single power malfunction in their facility can be incredibly expensive. ## 3. The Rack Level (48V Pivot) **Path:** Rack PDUs → Power Shelves This stage represents the most significant architectural pivot in modern AI infrastructure. For decades, traditional servers operated on a 12-Volt DC backplane. However, the sheer power density of AI GPUs renders 12V economically and physically highly impractical due to transmission limits. To facilitate this, racks now feature Power Shelves—centralized banks of power supply units (PSUs). These shelves take the incoming AC power and convert it into highly stable 48V DC. Inside these PSUs, Gallium Nitride (GaN) and Superjunction MOSFETs switch at incredibly high frequencies, allowing power supplies to remain compact while delivering Titanium-grade efficiency. NVIDIA’s NVL72 architecture has emerged as the de-facto reference for 120 kW liquid-cooled racks at hyperscale, (NVIDIA, “GB200 NVL72 Platform Datasheet,” 2024.) anchoring the industry’s transition to the 48 V DC backplane. > **THE POWER FORMULA: P = V × I:** If an AI rack requires 100,000 Watts at 12 Volts, it must push 8,333 Amps of current. This causes extreme heat and copper losses (I²R). By increasing the rack voltage to 48V DC, the current drops to 2,083 Amps. This reduces power losses by a factor of 16. ## 4. The Board/Chip Level **Path:** 48V DC → VRMs → AI Silicon Core The final stage is one of the the most demanding power engineering environment in the world. The 48V DC power arrives at the motherboard and must be immediately stepped down to the exact voltage the silicon logic requires (usually between 0.6V and 0.8V). This transition is handled by Point-of-Load (PoL) converters and Voltage Regulator Modules (VRMs). A single flagship AI GPU (like NVIDIA’s Blackwell) can consume over 1,200 Watts. (NVIDIA, “Blackwell B200 Architecture Whitepaper,” 2024; per-GPU TDP of up to 1,200 W in HGX configurations.) At 0.7 Volts, a single chip demands nearly 1,700 Amps of current. Traditional Lateral Power Delivery (LPD) clusters VRMs around the silicon. To combat transient resistance, next-generation architectures are replacing this with Vertical Power Delivery (VPD), placing the VRMs directly underneath the GPU rather than next to it. Semiconductor companies supply the specialized smart power stages and digital controllers that orchestrate this rapid-fire energy delivery. > **THE TRANSIENT CHALLENGE:** AI workloads are highly “bursty”. A GPU may demand its full 1,700 Amps in a matter of microseconds. If the VRMs cannot respond instantly, the voltage drops, and the GPU crashes. ## Conclusion The AI buildout is inextricably linked to power infrastructure. As model sizes scale, the physical limit of computation is bound by our ability to efficiently convert 110,000 Volts from the grid into 0.7 Volts at the silicon core. The companies that master this conversion across the entire macro-to-micro value chain will be essential during the next era of high-performance computing. # Using Gold as a Sustainable Geopolitical Hedge URL: https://wayneresearch.com/research/using-gold-as-a-sustainable-hedge Author: Moritz Maibaum Published: 2025-03-15 Description: As US trade tensions rise, portfolio protection is key. We'll learn how gold can act as an effective hedge, and how it can be sustainable. ## Gold in Turbulent Times Stocks typically depend on economic growth, corporate profits, and investor sentiment. They perform best when the economic outlook is positive, with robust consumption and rising earnings expectations. Gold, conversely, is traditionally viewed as a safe-haven asset, benefiting from economic uncertainty and geopolitical instability. During periods of global trade tensions, such as U.S. trade wars with China and the European Union, gold prices tend to rise sharply. This is because investors seek to hedge against risks like currency fluctuations, stock market volatility, and declining economic sentiment. During Trump's first term, gold already showed upward momentum in response to trade tensions. In the opening months of Trump's second term, gold increased by more than 10 per cent and surpassed $3,000 per ounce, a historic high, driven by fears of prolonged trade conflicts. Many analysts are revising their predictions upward, anticipating further controversial Trump policies. ([New York Times, "Why the Price of Gold Keeps Breaking Records," 2025.](https://www.nytimes.com/2025/02/21/business/gold-price-trump.html)) A significant growth factor at the moment is central bank purchasing, ([Business Insider, "Gold hits $3,000 for the first time on a safe-haven dash from Trump's trade war," 2025.](https://markets.businessinsider.com/news/commodities/gold-price-today-trump-trade-war-tariffs-safe-haven-markets-2025-3)) particularly from China, Poland, India, and Turkey, as many countries seek to reduce their reliance on the U.S. dollar. ## Ethical Gold Gold mining often results in environmental degradation. Deforestation and habitat destruction are common in mining areas. Toxic chemicals like mercury and cyanide are frequently used in extraction processes, leading to water and soil contamination. Especially smaller mining operations have faced labour concerns in the past, including child labour allegations. Tracing the origin of gold is difficult, as it is often mixed with gold from other sources later on. One example of a solution addressing these concerns is the HANetf Royal Mint Responsibly Sourced Physical Gold ETC (RMAU). An ETC is an exchange-traded commodity, a type of security that tracks the price of a commodity, in this case, gold. The Royal Mint sources ([The Royal Mint, "RMAU ETC Brochure," 2024.](https://www.royalmint.com/globalassets/_ecommerce/invest/optimisation/pdfs/inv549803-new-etc-brochure_p4_digital-1.pdf)) gold exclusively from suppliers certified by the London Bullion Market Association (LBMA) Good Delivery accredited refiners. It also conducts both internal and third-party audits to verify compliance with these standards. In the past, gold bars from conflict-affected regions have been removed from the ETC's holdings. As a stand-out feature, the ETC incorporates an increasing amount of recycled gold bars. This currently amounts to 55% of the total gold held by the ETC, drastically reducing the environmental footprint. ## Drawbacks and Risks In a rising interest rate environment, gold may lose its appeal as an investment. Importantly, ETCs work differently from ETFs, as they are debt instruments backed by the issuer. If the issuer defaults, investors may lose their investment. For physically backed ETCs, gold bars are held in a vault, and investors have a claim on the gold. Some ETCs offer delivery. ETCs charge a management fee, similarly to ETFs. The Royal Mint ETC charges 0.25% pa. There may be a tracking difference between the ETC and the underlying gold price. On the other hand, purchasing gold oneself would entail storage and insurance costs. ## Conclusion Gold is largely resilient to economic downturns and can be an ethical investment with the right oversight. ETCs are a convenient way to invest in gold, but they come with risks. Gold qualifies for geopolitical hedging.