How clean is the grid behind Secure Data Center Honkan?

Secure Data Center Honkan runs on Japan's grid, which was 477 gCO₂/kWh and 33% clean in 2025 (Ember).

Where is Secure Data Center Honkan located?

Secure Data Center Honkan is in Mitaka, Tokyo, Japan.

Mapped (unverified)colocation

Secure Data Center Honkan

Mitaka, Tokyo, Japan

Secure Data Center Honkan is a mapped data center in Tokyo, Japan. It runs on Japan's grid, which was 67% fossil-fuelled at 477 gCO₂e/kWh in 2025 (Ember).

Reporting by Eric Keller · Updated Jun 17, 2026

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Real parent

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Operator

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Grid carbon

477 gCO₂/kWh

Clean electricity

33%

Region

Tokyo

Attribution & capacity confidence:mediumprimary source

Overview

source: link

SECOM Trust Systems Co.,Ltd. — colocation facility (1 networks present). Source: PeeringDB.

The grid behind this site

source: Ember · Eurostat

Grid carbon intensity

477 gCO₂/kWh

Clean electricity

33%

Fossil electricity

67%

National grid context, not this facility's own metering. Full country picture: Japan data centers.

In the news

source: Google News (local + English)

Japan's data centre market expands beyond Tokyo and Osaka
JLL· Sep 23, 2025
NTT Data acquires land in seven markets for 1GW of data center development
Data Center Dynamics· May 14, 2025
Mitsubishi-Digital Realty JV Adds 34MW Data Centre to Greater Tokyo Campus
Mingtiandi· Mar 6, 2024
NTT signs solar PPA with TEPCO in Japan
Data Center Dynamics· Mar 1, 2024
NTT plans to adopt immersion cooling after testing LiquidStack in Japan data center
Data Center Dynamics· Jun 14, 2022
ESR to build 20MW data centre in West Tokyo
iTnews Asia· Apr 6, 2022

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