Hyperscaler Capex Tracker Q2 2026
Microsoft, Google, Meta, Amazon, and Oracle combined capex reached $98B in Q2 2026, on track for $400B+ annual.
Reasoning Engine
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Three structural takeaways. (1) Pricing reflects scarcity, not levelized cost: $90–110/MWh is well above merchant power baseload, but the premium prices in capacity certainty, carbon attributes, and 24/7 firm supply that wind/solar+battery cannot match at scale. (2) Restart and uprate economics are favorable: re-permitting existing reactors (TMI, Palisades, Duane Arnold) delivers ~$1.5–3B per GW in upfront capex with 60–80 year operating life vs $8–12B/GW for new builds. (3) SMR offtakes (Kairos, X-energy, NuScale) are still 2028–2032 first-power and remain technology-risk plays — useful for optionality but not the near-term bridge. Hyperscalers gain: predictable cost, carbon credit pipeline, and political tailwind. Utilities gain: bankable demand that funds reactor restarts and SMR commercialization. Risks: regulatory delays to restart/uprate, fuel supply (HALEU bottleneck for SMRs), and political reversals on nuclear in some jurisdictions. Net: nuclear PPAs are the most strategic infrastructure trade hyperscalers are making in 2025–2026.
Deep Analysis
The AI infra cycle has crossed from a chip-supply problem to a power-supply problem. The strategic playbook is shifting from buying GPUs to securing electricity, packaging capacity, and custom-silicon optionality.
1 · Power is the binding constraint
U.S. data-center power demand is projected to triple by 2028. Grid interconnect queues exceed six years in key markets. Hyperscalers are responding with nuclear PPAs, behind-the-meter gas turbines, and geographic dispersion to markets with surplus capacity.
2 · Nvidia's moat is eroding slowly
Nvidia retains ~85% share but custom silicon and AMD now account for ~15% of inference. CUDA's software lock-in remains the strongest moat; PyTorch+Triton+ROCm parity efforts are progressing but trail by 2–3 years.
3 · Packaging and memory are sold out
HBM3e and TSMC CoWoS are the binding constraints on actual unit shipments. Pre-paid multi-year contracts are the new procurement norm; spot supply effectively does not exist for hyperscale buyers.
4 · Networking is the next battleground
InfiniBand/NVLink dominate scale-up; Ultra Ethernet Consortium aims for parity on scale-out by 2027. AMD/Broadcom/Cisco/Meta backing makes UEC a credible challenger; outcome determines $30B+ of annual networking spend.
Hyperscaler quarterly capex ($B, top 5)
6-quarter trajectory
Data-center accelerator revenue share (2026E)
benchmark composite (0–100)
AI infra spend by stack layer
share of measured value (%)
Contradictions detected
Claim
Hyperscaler capex grew 60% YoY (SemiAnalysis).
Counter
Physical data-center capacity additions grew only 30–40% in same period; gap reflects pre-payments and inventory build (EIA).
Claim
CUDA moat remains durable (Nvidia narrative).
Counter
PyTorch 3.0 + Triton + ROCm parity now makes AMD MI350 viable for ~70% of training workloads (SemiAnalysis).
Key Points
Power has overtaken chips as the binding constraint on data-center buildouts.
Custom silicon hits 15% of inference share; first credible challenge to Nvidia dominance.
Nuclear PPAs are emerging as the new strategic asset class for hyperscalers.
Capex disclosures imply 60% YoY growth; grid data caps physical buildout at 30–40%.
Hyperscaler 2026 capex
$400B+
60% YoYMicrosoft+Google+Meta+Amazon+Oracle
Nvidia accelerator share
85%
−4pp YoYdata-center revenue
U.S. data center power share
5.6%
1.6pp YoYof total grid load
PJM interconnect queue
6+ years
vs ~2 years pre-AINorthern Virginia data center alley
Microsoft, Google, Meta, Amazon, and Oracle combined capex reached $98B in Q2 2026, on track for $400B+ annual.
U.S. data center electricity demand projected to reach 9% of total grid load by 2028, up from 4% in 2024. PJM interconnect queue at 6+ years.
Nvidia retains ~85% data-center accelerator revenue share; Blackwell Ultra ramps Q3 2026, Rubin in H2 2027.
Microsoft signed a 20-year PPA for the full output of Three Mile Island Unit 1, restarting by 2028 to power AI data centers.
Custom silicon now accounts for ~15% of inference workloads at hyperscalers; cost advantages of 2–4× on optimized workloads.
UEC 1.0 specification ratified; aims to match InfiniBand performance for AI scale-out by 2027. AMD, Broadcom, Cisco, Meta backing.
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