Who owns STNet data center?

STNet data center is owned and operated by STNet.

How clean is the grid behind STNet data center?

STNet data center runs on Japan's grid, which was 477 gCO₂/kWh and 33% clean in 2025 (Ember).

Where is STNet data center located?

STNet data center is in Ehime, Japan.

Mapped (unverified)

STNet data center, Ehime, Japan

Ehime, Japan

Source: OpenStreetMap

STNet data center in Ehime, Japan is a mapped facility, operated by STNet. It runs on Japan's grid, which was 67% fossil-fuelled at 477 gCO₂e/kWh in 2025 (Ember).

Reporting by Eric Keller · Updated Jun 14, 2026

Report a concern at this facility Watch this facility (email alerts)

Grid carbon

477 gCO₂/kWh

Clean electricity

33%

Region

Ehime

Attribution & capacity confidence:mediumprimary source

Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

STNet is a mapped data center in Japan operated by STNet. Available records identify it only as an STNet data center, with no disclosed capacity, footprint, or ultimate corporate parent. Further ownership and operational details are not detailed in the records reviewed.

Operator chain

Ultimate parent
STNet
Files as
STNet
This facility
STNet data center

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)