Grade 1 classes is a data center in Johannesburg, ZA. The facility is currently operational. It sits in the Johannesburg data-center market, which DC Hub's Data Center Power Index currently rates AVOID, with an estimated 19.7-month time-to-power. Operators should weigh interconnection risk here — the market screens constrained on grid headroom and time-to-power.
Data Center Power Index verdict for Johannesburg — the market this facility sits in.
Full DCPI breakdown →DC Hub analyst read on Johannesburg — the market this facility sits in (full deep-dive →).
Johannesburg's data center market remains undersized and fragmented, with 107 tracked facilities delivering 171 MW across a dispersed operator base. Teraco leads with 11 MW, followed by an unnamed operator cluster at 14 MW and Vantage Data Centers at 4 MW, while the majority of capacity 14 MW remains attributed to unknown operators—a sign of market immaturity. The dominance of unidentified players underscores weak transparency and suggests significant stranded or legacy capacity without clear commercial stewardship. Power constraints are the binding issue: the market's excess-power DCPI score of 42/100 coupled with a constraint rating of 55/100 reflects a fundamentally constrained supply environment where electricity availability, not demand, dictates expansion capacity. For acquisition-focused investors, the DCPI verdict is unambiguous: AVOID. A constraint score of 55/100 places…
Published DC Hub data for this location.
DC Hub tracks 46 operating generating units totalling 579 MW within about 50 km of Johannesburg, ZA. Generation mix shapes both carbon profile and interconnection options for a site at this location.
Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants.
Comparable facilities in Johannesburg tracked by DC Hub — compare power, operators, and grid context across the market.
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