CyrusOne has topped out its latest data center in Frankfurt, Germany.

The company announced the topping out of FRA7 this week. CyrusOne said the moment was marked with a traditional Richtfest; a German event to celebrate the moment, where a wreath called der Richtkranz is used to decorate the roof of the building.

The 54MW facility will be CyrusOne's largest European data center. The €1 billion ($1.1bn) facility will offer up to 40MW of waste heat to the Frankfurt Westside campus heating network.

First announced in 2023, CyrusOne broke ground on FRA7 in July last year. The development is set to consist of two three-story buildings offering 81MW across nine data halls. The first phase is due live this year.

The KKR-owned company has six other facilities in Frankfurt in operation or development.

Frankfurt l offers 9.1 MW of capacity across 4,950 sqm (53,400 sq ft); Frankfurt II offers 17.6MW across 8,400 sqm (90,350 sq ft); both were acquired from Zenium in 2017. Frankfurt III offers 22MW across 11,500 sqm (123,800 sq ft), and Frankfurt IV offers 11MW across 5,400 sqm (58,050 sq ft).

In July 2023, the company confirmed that it would be developing a 72MW data center called FRA6 in the city, and last year completed the shell and core of the 54MW FRA5.

Frankfurt is a major location for data center operators, with Digital Realty, NTT, Iron Mountain, Green Mountain, Global Switch, Cogent, Colt, Vantage, EdgeConneX, Lumed, Kyndryl, and Equinix all having a presence in the city.