Powering AI ▍Topic hub
AI data centers are reshaping the global energy map — from GPU power draw to the long bets on nuclear and fusion, to the solar-plus-storage answer you can build today. The fight to power AI, in one place.
What Is LCOE? Why the Levelized Cost of Energy Is the Fairest Yardstick for Comparing Power Sources
LCOE (Levelized Cost of Energy) divides a power plant's lifetime costs by its lifetime electricity output, producing a single dollar-per-MWh figure that lets solar, wind, gas and nuclear be compared on equal terms. Lazard's 2025 U.S. data put utility-scale solar as low as $38/MWh, while IRENA reports a roughly 90% global cost decline since 2010 — though LCOE excludes reliability and its figures vary by methodology.
Why Solar-Plus-Storage Is the Most Practical Power Fix for AI Data Centers Right Now
Utility-scale solar has become one of the cheapest new power sources, with costs down roughly 90% since 2010, while 2024 deployment volume outpaced every other generation technology. Paired with record-low battery prices, solar-plus-storage is already powering an AI data center in Arizona — though it still falls short of full 24-hour dispatchable baseload.
Can Fusion Power AI? From NIF's Ignition to Tech Giants' Power-Purchase Bets
Fusion has crossed a real scientific threshold — the National Ignition Facility reached ignition in December 2022 and a record 4.13 target gain in April 2025 — but no fusion device has ever delivered net electricity to a grid. That gap hasn't stopped capital: the Fusion Industry Association counts $9.77 billion invested across 53 companies, while Microsoft and Google have each signed power-purchase agreements with fusion startups targeting 2028 and the early 2030s.
Why Are Tech Giants Racing to Buy Nuclear Power? Can SMRs Solve AI Data Centers' Electricity Crisis?
Facing a projected jump in global data center electricity demand from about 415 TWh in 2024 to about 945 TWh in 2030, Microsoft, Google, Amazon, and Meta have all signed nuclear power deals — but most rely on small modular reactors (SMRs) that won't deliver meaningful capacity until 2030 or later, and NuScale's 2023 project cancellation shows the economics are still unproven.
AI's Power Crisis: How One Data Center Draws as Much Electricity as a City
Top AI accelerators now draw up to 1,200W each, AI server racks reach roughly 120kW versus 5–10kW for traditional racks, and xAI's Colossus cluster reportedly draws about 250MW. Power supply has become a primary constraint on where new data centers can be built.
The AI Power Ladder: From a 1,200-Watt GPU to a Gigawatt Data Center
A single Blackwell B200 GPU draws up to 1,200 watts, and packing 72 of them into an NVIDIA GB200 NVL72 rack pushes power density to roughly 120 kW — more than ten times a traditional rack's 5–10 kW. xAI's Colossus cluster already pulls an estimated 250 MW across about 100,000 H100 GPUs, while industry PUE averages 1.54 against Google's 1.09. Cloud operators now list electricity supply as a primary constraint on where new data centers can be built.
Why AI Data Centers Devour Power: Reading the AI Infrastructure Energy Ledger in Gigawatts
AI data centers now draw power at the gigawatt (GW) scale — power-plant-level demand — because clusters of thousands of high-wattage GPUs, plus cooling and power-delivery losses, push total draw far past traditional megawatt-class facilities. OpenAI's Ohio data-center project illustrates the scale, planned around 10 GW of new power supply to support 4.25 IT-GW of computing capacity. Facing this bottleneck, operators are turning to self-built power plants, natural gas, and nuclear power including small modular reactors, while advanced process nodes, dedicated inference chips, and liquid cooling aim to extract more compute from every watt available.
Taiwan's Energy Management Act Amendment Clears Third Reading, Mandating Backup Power or Storage for New Large Power Users
Taiwan's Legislative Yuan passed a 15-article amendment to the Energy Management Act on August 21, 2026, requiring newly built or expanded large power users above a set capacity threshold to install either self-generation or storage equipment. The Ministry of Economic Affairs says the applicable capacity threshold still awaits subordinate regulations, while noncompliance can draw fines of NT$150,000 to NT$750,000.
NVIDIA and OpenAI Expand AI Mega Data Center Push to 10 GW Power Scale
OpenAI, SB Energy, and NVIDIA are building an 8 IT-GW AI campus in Ohio, backed by NVIDIA's $1.5 billion SB Energy investment and a prior $100 billion commitment to OpenAI, while SB Energy and SoftBank plan at least 10 GW of new power generation and $4.2 billion in grid infrastructure to support it.
Hu Cheng-chieh Files Tender Offer for Up to 72.82% of Delisted Shinfox Energy at NT$0.05 a Share
Hu Cheng-chieh is tendering for 50.98%–72.82% of delisted Shinfox Energy at NT$0.05 per share starting August 18, after subsidiary Fuwei Energy's cost overruns on Taipower's offshore wind Phase 2 project produced a FY2025 net loss of NT$15.865 billion and a Q1 2026 net-worth reversal that triggered delisting on June 23.
NVIDIA in Talks to Invest $3 Billion in SB Energy to Build OpenAI's Ohio Data Center
NVIDIA is negotiating a direct investment of up to $3 billion in SoftBank's SB Energy, split into two $1.5 billion tranches, to help build an Ohio data center for OpenAI, while the three parties also discuss up to $100 billion in credit support for the project.
NVIDIA, Google and Microsoft Advance 800 VDC Power Architecture Through OCP as AI Infrastructure Investment Is Projected to Reach $9 Trillion by 2040
According to NVIDIA's blog, NVIDIA, Google and Microsoft have jointly developed an 800 VDC power architecture through the Open Compute Project, publishing a white paper in March 2026 and a formal LVDC Solid-State Transformer specification (v0.3) in July 2026. NVIDIA says more than 80 companies are already building products to the spec, with its MGX-compatible 800 VDC power rack due in the second half of 2026 and a row power center supporting up to 2 megawatts per row expected in 2027.
NVIDIA Reportedly Plans Up to $3 Billion Investment in Lancium, Power Backer of Stargate's First Campus
According to CNA and Inside.com.tw, NVIDIA may invest up to $3B in Lancium, the power firm behind Stargate's first Abilene site, valued near $10B.
Walsin Lihwa: AI-Driven Grid Demand Keeps Q3 Cable and Stainless Steel Business Flat
According to Money UDN and CNA, Walsin Lihwa (華新麗華) General Manager Wang Hsi-chin said AI-driven demand for power grids will keep Q3 cable sales level with Q2, while stainless steel stays flat as nickel costs remain high, and CBAM-related import protections will not show benefits until Q4.
Taipower's New Kaohsiung Transmission Line Goes Live Aug 1, Doubling Power Capacity Near TSMC's Kaohsiung Fab
According to Liberty Times and CNA (Central News Agency), Taipower (台電) completed the Kaohsiung–Xiongji Lines 3 and 4 on August 1, 2026, raising power capacity near TSMC's (台積電) Kaohsiung fab from about 400MW to over 1,000MW. The 9.6km line, crossing Sanmin, Gushan, and Zuoying districts, was finished in 15 months versus an original 42-month plan.
S&P 500 Slips Despite Energy Rally as US-Iran Tensions Lift Oil Prices
According to CNA, the S&P 500 fell 0.14% to 7,498.96 on July 22, 2026, as energy stocks rose on higher oil prices amid US-Iran tensions.
Taiwan's MOEA Rejects Gelsinger's Energy-Crisis Warning, Cites Grid and Chip-Chain Track Record
According to CNA and TechNews, Taiwan's Ministry of Economic Affairs (MOEA) rejected former Intel (英特爾) CEO Pat Gelsinger's warning that a Chinese energy cutoff would hit the global economy harder than the Great Depression, citing an unbroken chip supply chain, a 2025 reserve margin above 6% with 342 green-light days, and above-standard oil and gas stockpiles.
Powertech and Broadcom to Form $400 Million Singapore Joint Venture for Panel-Level Packaging
According to money.udn.com and MoneyDJ, Powertech Technology's board approved a US$400 million joint venture with Broadcom in Singapore, announced July 16, 2026, to build fan-out panel-level packaging (FOPLP) capacity. Powertech says the deal targets CSP AI chip orders while core IP stays in Taiwan, pending regulatory approval.
Powertech Technology and Broadcom to Form $400 Million Singapore Joint Venture for Advanced Packaging Substrates
According to a Central News Agency (CNA) report, Powertech Technology (力成)'s board approved a $400 million (roughly NT$12.89 billion) investment to form a Singapore joint venture with Broadcom for panel-level advanced packaging substrate manufacturing, focused on additive finer-geometry redistribution layer technology, pending approval from Taiwan's Investment Commission.