Japan

Japan – Data Center Country Overview (APAC)

Japan represents one of the most mature and technologically advanced data center markets in APAC. Strong enterprise demand, high cloud adoption, and advanced digital infrastructure continue to support steady growth in hyperscale and colocation developments.

The country benefits from robust power infrastructure, reliable connectivity, and proximity to major enterprise and technology customers. Demand is further driven by AI workloads, content delivery, financial services, and disaster-resilient infrastructure planning.

While land availability and construction costs are relatively high, Japan remains a strategic location for mission-critical and latency-sensitive workloads. Secondary cities are increasingly attracting investment to support regional diversification.

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Data Center Projects Locations on Map



44+

No. of
Projects Tracked

1512+

Active Project Value in USD Billion

100+

Upcoming Projects Count

140+

Countries

2000+

No.of
Companies Tracked

5+

Years
from Tracking
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Project Name Location Full Builtout Project Status Power Capacity Action
STT Tokyo 1 & 2 Campus Inzai City, Chiba Prefecture, Greater Tokyo, Japan Target 2027 STT Tokyo 1 Operational (Launched Q2 2025); STT Tokyo 2 Under Construction 70 MW (Total IT Load)
PDG TY1 Campus | Next-Generation Digital Infrastructure & Colocation Hub Saitama City, Greater Tokyo Area, Japan Completion of Phase 2 planned post-2024 Core and Shell Construction Complete (Phase 1); Fit-out Ongoing 96 MW (
TK1 Tokyo Data Centre | High-Performance AI-Ready Compute & Connectivity Hub Minato Ward, Tokyo, Japan (Adjacent to Tokyo Tower) Projected to be completed shortly after Phase 1, given the fixed, single-facility scope. Under Construction 28 MW
Osaka North 1 Data Center | Next-Generation Colocation & Digital Infrastructure Campus Ibaraki City, Osaka Prefecture, Japan Expected 2032 (for the full 36 MW campus) Under Development/Construction 18 MW (IT Load - Phase 1)
Tsukuba Data Center Campus | Goodman AI-Ready Digital Infrastructure Hub Tsukuba, Ibaraki Prefecture, Greater Tokyo, Japan Phased, potentially early 2030s Announced/Pre-Construction (Construction Start Imminent) Up to 1 GW (Planned total site capacity)
Osaka-Kyoto Data Center Campus EdgeConneX Greater Osaka-Kyoto Area (Kansai Region), Japan Phased completion over multiple years Announced / Planning & Land Lease Secured 200+ MW (Total campus build-out)
Fuchu Data Center Campus DayOne Gaw Capital Fuchu Intelligent Park, Fuchu City, Greater Tokyo, Japan Phased, Post-2028 Groundbreaking (Phase One) 80 MW (Total IT Capacity)
Inzai Campus Building 3 (NRT14) | Secure Hyperscale Cloud & Interconnection Hub Inzai City, Chiba Prefecture (Greater Tokyo), Japan Q1 2026 Nearing Completion / Commissioning (Dec 2025) Up to 70 kW per rack (High Density)
Digital Realty NRT14 (Inzai Campus) Inzai City, Chiba Prefecture (Greater Tokyo), Japan Late 2026 Live / Operational 31 MW IT Load with 70kW/rack density
AirTrunk OSK2 Infrastructure in East Osaka East Osaka, Kansai Region, Japan 2027 Live / Operational (Initial Phase) 110 MW (High-Density ready)
KDDI Sakai Osaka: 57,000sqm AI-Ready Data Center with GB200 Sakai City, Osaka Prefecture, Japan February 23, 2026 (AI/Quantum Ready) Live / Fully Operational 120 MW
AirTrunk TOK1: $1.2B 300MW+ Hyperscale AI Data Center Tokyo Inzai, Tokyo Metropolitan Region 2028 Operational / Under Expansion 300 MW+ (Scalable Master Plan)
Microsoft Japan | $10B AI-Ready Sovereign Cloud Data Center Investment Tokyo 2029 Active Expansion / New Phase Announced (April 3, 2026) Scalable Gigawatt-class roadmap across 4 years.
NTT DATA Keihanna OSK11 Data Center - 30MW AI-Ready Facility Soraku-district, Kyoto Operational as of April 2026 Operational / Live 30 MW total IT load.
Equinix TY15 Tokyo: High-Density AI-Ready IBX Data Center 3-6-28 Konan, Minato-ku, Tokyo 108-0075, Japan 2025–2026 (Full 89,000+ sq ft colocation whitespace buildout) Operational / Active Capacity Phasing 11.7 MW Generator Utility Backing / ~10 MW Critical IT Load
Equinix OS3 Osaka: High-Density & Liquid-Cooled IBX Expansion Keihanshin OBP Building, 2-2-82 Shiromi, Chuo-ku, Osaka City, 540-0001, Japan 2024–2026 (Full 2,500 Cabinets / 80,000+ sq ft Expansion) Operational / Active Multi-Phase Capacity Expansion ~18 MW Gross Substation Utility Power Allocation
MC Digital Realty Osaka KIX Campus: 70MW Hyperscale & AI Hub Saito Aokita & Saito Yamabuki District, Minoh-shi / Ibaraki-shi, Osaka 562-0029, Japan Operational (Active Whitespace Expansion & AI Density Modernization) Operational (KIX10, KIX11, KIX12, KIX13) / Active High-Density & AI Density Upgrades 70+ MW Critical IT Power Capacity (28 MW KIX11 + 21 MW KIX13 + 13 MW KIX12 + 8 MW KIX10)
MC Digital Realty OSA3 Osaka Data Center: 20MW Hyperscale KIX Campus Hub 6-2-1 Saito Aokita, Minoh-shi, Osaka 562-0029, Japan Fully Operational Active Campus Fully Operational / Active Expansion 20 MW Critical IT Power Capacity Allocation
Colt DCS Osaka AI Cloud Campus: 130MW Hyperscale Data Center 2-chōme-3-3 Honjōhigashi, Kita Ward, Osaka, 531-0074, Japan Active Multi-Phase Development Operational & Active Phased Expansion 130 MW Secured Utility Power Allocation
AirTrunk TOK2 West Tokyo Data Center: 110MW Hyperscale & AI Hub West Tokyo, Tokyo Prefecture, Japan Active Multi-Phase Development (Targeting 110+ MW Total) Operational & Active Phased Expansion 110+ MW Secured Utility Power Allocation
IDC Frontier Osaka Edge Data Center: High-Density Edge Colocation Hub 20-1 Deguchichō, Suita, Osaka 564-0072, Japan Operational Active Facility Fully Operational Edge Hub ~5 MW to 10 MW Secured Utility Power Allocation
Digital Edge Tokyo Data Center Campus (TYO Metro Facilities) 3-chōme-1-1 Sekiguchi, Bunkyo City, Tokyo 112-0014, Japan Fully Operational Active Multi-Site Campus Fully Operational Multi-Site Metro Campus ~45.0+ MW Total Combined Utility Power Allocation
Goodman Tsukuba Campus Data Center Tsukuba Tech Central Ibaraki Greater Tokyo Japan Prefectural Road No. 213, 300-3256 Tsukuba, Ibaraki Prefecture, Greater Tokyo, Japan Q4 2034 (Full 1 GW Campus Across 10 Buildings) Under Construction 1,000 MW (1 GW) Gross Power
Goodman Tsukuba DC3 Data Center Tsukuba Tech Central Ibaraki Greater Tokyo Japan Prefectural Road No. 213, 300-3256 Tsukuba, Ibaraki Prefecture, Greater Tokyo, Japan Q4 2029 Under Development / Planned 100 MW Gross Utility Power
Goodman Tsukuba DC4 Data Center Tsukuba Tech Central Ibaraki Greater Tokyo Japan Prefectural Road No. 213, 300-3256 Tsukuba, Ibaraki Prefecture, Greater Tokyo, Japan Q2 2030 Under Development / Planned 100 MW Gross Utility Power Capacity
Goodman Tsukuba DC1 Data Center Tsukuba Tech Central Ibaraki Greater Tokyo Japan Prefectural Road No. 213, 300-3256 Tsukuba, Ibaraki Prefecture, Greater Tokyo, Japan Q1 2028 Under Construction 60 MW Gross Utility Power Capacity
TY005 Data Center Goodman Japan Tsukuba, Greater Tokyo, Japan Q4 2032 (Full 1,000 MW 10-Building Campus Buildout) Under Construction / Pre-Leased 1,000.0 MW Gross Utility Power Allocation / 800.0 MW Total IT Load Campus Capacity
SoftBank Hokkaido Campus Data Center Kashiwahara Tomakomai Japan AI Hub 49-85 Kashiwahara, Tomakomai, Hokkaido 059-1362, Japan Q4 2030 Under Construction Phase 375.0 MW Gross Power Allocation / 300.0 MW Total Critical IT Load (Initial Phase Delivery ~50 MW)
STACK Tokyo TKY01 AI Hyperscale Data Center Campus – 36 MW STACK INFRASTRUCTURE 1 Chome-2 Hara 270-1335 Inzai 2026 (36 MW / TKY01B) Phase 1 Operational / Phase 2 Under Construction 36 MW total site power allocation
STACK Tokyo TKY01B Hyperscale AI Data Center – 18 MW Capacity 1 Chome-2 Hara, Inzai, Chiba 270-1335, Japan Q4 2027 (TKY01B Go-Live, 36 MW Total Campus) Under Construction / Groundbroken 18 MW allocated critical power load
Osaka Japan 48MW KDDI TELEHOUSE Osaka Sakai 1 Takumicho AI Colocation Data Center 1 Takumicho, Sakai Ward, Osaka, 590-0908, Japan ~57,000 m² total gross floor area hosting high-density AI clusters (including NVIDIA GB200 NVL72 nodes) and secure colocation Operational / Strategic AI Facility 48 MW Power Infrastructure Allocation
SC Zeus ZEUS OSA 1 70MW Osaka Japan Hyperscale AI Data Center 1-chōme-7-18 Nankōkita, Suminoe Ward, Osaka, 559-0034, Japan 19,016 m² gross floor area supporting ultra-high-density rack power configurations up to 130 kW per rack Under Construction / Active Groundbreaking Project 100.0 MW Dedicated Utility Grid Substation Allocation
Cosmosquare Campus 96MW Osaka Japan CloudHQ Hyperscale AI Data Center 1-chōme-6-27 Nankōkita, Suminoe Ward, Osaka, 559-0034, Japan 1,345,489 sq. ft. (125,000 sq. m.) total gross floor area across 3 campus buildings (KIX1, KIX2, KIX3) Under Construction / Active Phased Development 130.0 MW Substation Utility Infrastructure Connection
Cosmosquare OS1 25MW Osaka Japan ESR Group Hyperscale Data Center 1 Chome-6 Nankokita, Suminoe Ward, Osaka, 559-0034, Japan Part of 3-building 130 MW hyperscale campus (OS1, OS2, OS3) Phase 1 Completed / Fit-Out & Operational Readiness Substation Allocation supporting full 130 MW campus capacity
Osaka Japan NTT SmartConnect 10MW Nipponbashi Edge Colocation Data Center 5-chōme-8-21 Nipponbashi, Naniwa Ward, Osaka, 556-0005, Japan 15-story multi-tenant structure supporting high-density server racks (~460 m² per server room section) Operational / Key Interconnection Hub 10.0 MW Dedicated Utility Grid Substation Connection
Osaka Japan Equinix 15MW OS6 IBX Edge Colocation Data Center 1-chōme-10 Kyūtarōmachi, Chūō Ward, Osaka, 541-0056, Japan 13-story multi-tenant data center and office complex hosting multiple colocation halls Under Construction / Active Development Dedicated high-voltage utility connection
Colt Tokyo Inzai 5 32MW Hyperscale Data Centre Chiba Japan 2 Chome-3-3 Otsuka, Inzai, Chiba 270-1352, Japan Integrated component of Colt's ~100MW+ Inzai hyperscale campus footprint Active Development / Construction Phase Dedicated Utility Transmission High-Voltage Grid Allocation
Colt Tokyo Yoshikawa 80MW Hyperscale Data Centre Saitama Japan Yoshikawa, Saitama Prefecture, 342-0000, Greater Tokyo, Japan Strategic Northern Greater Tokyo AI factory hub and cloud availability zone Active Development / Under Construction Substation High-Voltage Infrastructure Capacity Allocation
STT Tokyo 2 Hyperscale Data Center Inzai Chiba Japan 2-10 Kaguro-Minami 2 Chome, Inzai-shi, Chiba Prefecture 270-1369, Japan Strategic Inzai cluster cloud availability zone and accelerated AI compute hub Under Construction (Groundbreaking April 2024) Substation High-Voltage Dedicated IT Infrastructure Allocation
NTT DATA Tokyo TKY11 Hyperscale Data Center Shiroi Chiba Japan 1141-2 Fujitaiyama, Shiroi-shi, Chiba Prefecture 270-1426, Japan Inzai-Shiroi cluster availability zone and accelerated AI compute hub Under Construction (Groundbroken April 2025) Substation High-Voltage Dedicated IT Infrastructure Allocation
AirTrunk TOK2 Building 1 Ome Tokyo West 30MW Hyperscale Data Center Japan AirTrunk TOK2 Campus, Ome, Tokyo Prefecture, Japan Foundational building of AirTrunk’s Western Tokyo AI factory hub and cloud zone Active Development / Phase 1 Construction Substation High-Voltage Dedicated IT Infrastructure Allocation
AirTrunk TOK2 Building 2 Ome Tokyo West 40MW Hyperscale Data Center Japan AirTrunk TOK2 Campus, 198-0024 Ome, Tokyo Prefecture, Japan Second-phase building of AirTrunk’s Western Tokyo AI factory hub and cloud availability zone Active Development / Expansion Phase Substation High-Voltage Dedicated IT Infrastructure Allocation
AirTrunk TOK2 Building 3 Ome Tokyo West 30MW Hyperscale Data Center Japan 6-chome-1 6-a, Ome, Tokyo Prefecture, Japan Final phase building completing AirTrunk’s 110MW+ Western Tokyo AI factory hub Active Development / Expansion Phase Substation High-Voltage Dedicated IT Infrastructure Allocation
FLOW Central Tokyo Campus Shiohama Koto City Tokyo Japan 2-chōme-28 Shiohama, Koto City, Tokyo 135-0043, Japan Q4 2028 Under Construction 30.0 MW IT Power (37.5 MW Total Campus Utility Power)