Mapped (unverified)colocation
NTT Johannesburg 1 Data Center (JOH1)
Centurion, Gauteng, South Africa
Source: Primary source
NTT Johannesburg 1 Data Center (JOH1) is a mapped data center in Gauteng, South Africa. It runs on South Africa's grid, which was 82% fossil-fuelled at 699 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 17, 2026
Real parent
—
Operator
—
Grid carbon
699 gCO₂/kWh
Clean electricity
18%
Region
Gauteng
Overview
source: linkNTT DATA's Global Data Centers division — colocation facility (3 networks present). Source: PeeringDB.
The grid behind this site
source: Ember · EurostatGrid carbon intensity
699 gCO₂/kWh
Clean electricity
18%
Fossil electricity
82%
National grid context, not this facility's own metering. Full country picture: South Africa data centers.
In the news
source: Google News (local + English)- Why the clouds of secrecy over water and electricity impacts of SA data centre growth?Daily Maverick· Feb 11, 2026
- South Africa's xneelo starts construction on second data center in JohannesburgData Center Dynamics· Feb 3, 2026
- CompCom greenlights Africa Data Centres acquisitionITWeb· Jan 23, 2026
- Top ICT tenders: Transport dept targets infrastructure refreshITWeb· Nov 24, 2025
- DUNCAN McLEOD: Joburg emerges as Africa’s data centre hubFinancial Mail· Aug 28, 2025
- Digital Parks Africa partners with Touchnet and Zadara to bring Sovereign AI to South African businessesMyBroadband· Jul 17, 2025
See something wrong or missing on this page? Suggest a correction.