Power availability in Tokyo: time-to-power 48 months, as of 2026-10-02. Source: DC Hub.
Data Center Market Deep-Dive · 348 words · generated 2026-10-01 from live DC Hub data · DCPI live as of 2026-10-02
Average asking rate: $280 /kW/mo (not stated (average asking rent)), Q1 2026. Vacancy 4.0%.
Asking base rent per kW of critical IT capacity. Electricity is normally billed separately (metered pass-through), plus cross-connects and one-time fees. Signed deals, term and size change the number. Source: CBRE Global Data Center Trends 2026 (Q1 2026): average asking rent $280/kW/mo (link)
Tokyo's data center market is severely constrained, with tracked facilities delivering 557 MW across a fragmented operator base where no single player controls more than 3.4% of capacity. Equinix operates the largest footprint at 19 MW, followed by its subsidiary Equinix, Inc. at 12 MW and NTT DOCOMO BUSINESS (Data Centers) at 9 MW, with "Unknown" operators also claiming 9 MW—indicating either opacity in the market or assets in transition. The excess-power score of 19/100 coupled with a constraint score of 61/100 reflects a market where available capacity is severely limited and expansion headroom is minimal.
The DCPI verdict of AVOID is unambiguous for acquisition-stage investors. With constraint scoring at 61/100—well above the 50-point threshold where power becomes a deal-breaker—any acquisition targeting greenfield expansion or significant load growth faces structural headwinds. The excess-power reading of only 19/100 means that even available capacity is tightly allocated and expensive to access. Buyers should not assume they can layer new workloads into existing facilities; instead, any transaction must be evaluated against immediate, contractual power availability and the cost premium of securing additional supply from the grid.
Recent M&A signals reveal high-profile interest but no completed acquisitions: Nvidia, Mubadala, NTT, and SoftBank all appear in the tracked pipeline with question marks and future-dated stamps, suggesting deal structuring or regulatory review is ongoing. Meanwhile, offshore consolidators are active—Keppel DC REIT's $1.19 billion acquisition of two hyperscale colocation facilities demonstrates foreign appetite for Tokyo assets despite power constraints, signaling that premium-grade, already-operational capacity commands valuations that reflect scarcity. NTT's persistent presence across both operator rankings and deal flow underscores its role as a market anchor, though its own M&A moves remain unresolved. The fragmentation evident in the facility, five-operator breakdown suggests acquisition opportunities may exist among smaller, non-tracked operators, but only for buyers with willingness to absorb legacy infrastructure liabilities.
Tokyo's data center market will remain a buyer's market only for operators seeking to consolidate existing assets rather than deploy new capacity; greenfield entrants should redirect capital to less constrained geographies unless securing a pre-allocated power agreement from a utility or industrial partner.
Tokyo: 557 MW — live, cited, and queryable by API or MCP.
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JSON: /api/v1/markets/tokyo/deep-dive · DCPI: /dcpi · Operators: /operators · Updated nightly
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