Lusail district cooling records — verified update
On 29 June 2026, Qatari Diar announced that Lusail City’s district cooling system received two Guinness World Records recognitions. This page summarises the verified figures without copying the corporate release.
Key facts
Date
29 June 2026
Network length framing
About 123.5 km
Storage tank height framing
About 46.041 m
What was announced
The first recognition frames Lusail’s integrated district cooling network as the largest of its kind, at about 123.5 kilometres.
The second recognition frames the chilled-water tank at the North District Cooling Plant as the tallest thermal energy water storage tank of its type, about 46.041 metres high and 32 metres in diameter.
Project context
Lusail is Qatari Diar’s flagship master-planned city in Qatar. Marafeq Qatar is described as a wholly owned subsidiary involved in delivering utility systems. Efficiency improvement framing of up to about 14% was also stated in the announcement materials.
Questions this guide answers
Does this relate to Egypt projects?
No. It is a Qatar / Lusail infrastructure milestone linked here for portfolio context.
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