Skip to content
The London Compute Ring

Sites / Kao Data Harlow campus

Kao Data Harlow campus

Kao Data · operating · Harlow District Council

Buildings on this campus (mapped and counted individually): Kao Data KLON-01 (Harlow) , Kao Data KLON-02 (Harlow) , Kao Data KLON-03 (Harlow) , Kao Data KLON-04 (Harlow)

Kao Data campus on London Road, Harlow (M11 corridor). Operator: KLON-01/02 at 8.8 MW each (operational), KLON-03 17.6 MW under development, KLON-04 36 MW planned; about 71 MW ITE when complete. This campus pin aggregates individually mapped halls; it is flagged role "aggregate" and excluded from the map, the regional total, and the sites/compare tables to avoid double-counting; the individual halls carry the capacity. Mapped as operating from operator or third-party records; no council planning-application URL is linked.

Stated size

71 MW

biggest size stated for this site Operator

Source: Kao Data Harlow: about 71 MW ITE load across four buildings when complete

The largest megawatt figure on the public record for this one site (planning docs or operator materials). It may include stages that are not built yet. Not everyday electricity use; the source sits with the number. Stated size is not electricity use.

Site area

15 acres

active industrial Operator

What was here: Harlow industrial / former research campus setting

Water

Not disclosed

No annual water figure in materials reviewed

Equivalences

No operator on this map discloses expected load factor (the share of peak power used on average), so yearly electricity figures are shown as a range, not as a known total.

Claims on record

None recorded yet.

Disclosure checklist

Plain checklist, no aggregate score.

Right of reply

Right of reply: open; no response received. Email marco@prismaticlabs.ai. Subject is prefilled. Or see methodology.

Sources

No live planning application link recorded yet. We do not upgrade a site past “proposed” without one.

Map point: longitude 0.126, latitude 51.777. Last reviewed 2026-07-20.