Data centers in Yokohama: 5 facilities, colocation pricing

Coloprice tracks 5 data centers in Yokohama, Japan: 5 operational, 0 under construction and 0 announced, run by 4 operators.

By number of facilities tracked: Internet Initiative Japan (IIJ) (2), NTT Communications (NTT DOCOMO BUSINESS) — Nexcenter (1), Digital Edge (1), CTC (ITOCHU Techno-Solutions) (1).

Facilities that publish capacity add up to 19 MW (1 of 5 sites disclose a figure); the largest published site is Digital Edge TYO4/5/6 with 18.5 MW.

No published wholesale $/kW benchmark exists for Yokohama, Kanagawa, Japan yet, so we show nothing rather than an estimate. What is verifiable: the catalog tracks 5 facilities here. Run at least three quotes in parallel — where no benchmark is published, individual offers vary far more.

Commercial electricity in Yokohama, Kanagawa, Japan is $0.185 per kWh, and power is the largest single input into a colocation rate. On top of that sit land and grid-connection availability, interconnection density, and how much capacity competes for the same tenants — 5 facilities in our catalog, 0 of them announced or under construction.

On power alone, South Korea ($0.118/kWh), United States ($0.117/kWh) run below Yokohama, Kanagawa, Japan. Whether that becomes a cheaper contract depends on how much interconnection the workload needs — the comparison table shows what latency the move would cost.