Browse the atlas
OverWatts AtlasCountriesOwnersInsightsWireChangesSources Live map
Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
Data Centre
Johannesburg
- Operator
- Multiple (colocation hub)
- Status
- operating
- IT load
- ~250 MW
Grid connection · within 50 km
- Nearest substation
- Lulamisa Substation
- Its voltage
- 400 kV
- Distance
- 26 km
- Strongest line nearby
- 400 kV
- Substations in range
- 6
Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.
Co-located infrastructure · within 25 km
- Lesotho – South Africa interconnection657 m · Interconnector · 230 MW
- Namibia – South Africa interconnection657 m · Interconnector · 350 MW
- Botswana – South Africa interconnection657 m · Interconnector · 615 MW
- Grade 1 classes5.3 km · Data Centre
- Computer labs and server room5.4 km · Data Centre
- Rosebank Exchange5.9 km · Data Centre
- Johannesburg South Cement Plant7.6 km · Cement Plant
- Scaw Metals Group Germiston steel plant14 km · Iron & Steel Plant
- Vogelstruisfontein Cement Plant17 km · Cement Plant
- Kelvin power station17 km · Power Plant · 600 MW · gas
- Kelvin power station17 km · Power Plant · 420 MW · coal
- Kelvin power station17 km · Power Plant · 180 MW · coal
On the interactive map
SOURCE: Industry market estimates (approx.)