Green Mountain: FRA Mainz

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Mainzer Fernwärme Gmbh
Under Construction
New facility under construction
Operated by:

Green Mountain: FRA Mainz

Year Planned: 2026
PUE: 1.3
Utility Provider: KMW

Sites on this Campus:

Norwegian data center firm Green Mountain is developing a new campus outside of Frankfurt, Germany, forming a new joint venture with energy firm KMW. The two companies have formed a 50:50 joint venture to develop this data center site in Mainz. Three buildings are planned at the 25,000 sqm (269,100 sq ft) site, known as FRA1-Main, and to be located adjacent to KMW's power plants.

  • The first 6,000 sqm (64,600 sq ft) building broke ground in Autumn 2023 and topped out in February 2025.
  • The site will utilize river cooling from the adjacent Rhine River and target a PUE of 1.3. Up to 60MW of waste heat will be fed into the Mainz district heating system.

Map and Nearby Locations:

Mainzer Fernwärme Gmbh
Green Mountain AS Sites
Nearby Facilities

Sites within 15 miles of Green Mountain: FRA Mainz

Distance Site About
0.03 miles Green Mountain: FRA Mainz 2
Norwegian data center firm Green Mountain is developing a new campus outside of Frankfurt, Germany, forming a new joint venture with energy firm KMW.
0.06 miles Green Mountain: FRA Mainz 3
Norwegian data center firm Green Mountain is developing a new campus outside of Frankfurt, Germany, forming a new joint venture with energy firm KMW.
2.47 miles DCP: Mainz
Data Center Partners (DCP), a German investor in data centers, has secured land in Mainz to develop a new data center.
4.87 miles ITecon Mainz
5.10 miles Yondr: Frankfurt
In 2025, Yondr Group completed its data center project in Bischofsheim, near Frankfurt, Germany.
9.01 miles Carrier-Neutral Data Center Request Dataset
Vantage plans to build another data center called FRA41 in Frankfurt.
9.93 miles Digital Realty: Hattersheim FRA33
Digital Realty's FRA33 and FRA34 facilities are situated within Digital's new campus on Kastengrund (known as Digital Park Hattersheim).
10.00 miles Vantage FRA II
Vantage has completed the first data center on its Frankfurt II campus in 2022. The four-story facility offers 350,000 sq ft (33,000 sqm) of space.
10.01 miles VANTAGE: FRA II Bldg 2
Vantage's second data center on its Frankfurt II (FRA22) campus is a 130,000ft² facility situated on seven acres in Raunheim.
10.02 miles Digital Realty: FRA 34
Digital Realty's FRA33 and FRA34 facilities are situated within Digital's new campus on Kastengrund (known as Digital Park Hattersheim).
10.09 miles Hyperscale Data Center Request Dataset
10.13 miles NTT Frankfurt 3
e-shelter Frankfurt 3 Campus is located in the business park "Blauer See" in Rüsselsheim.
11.16 miles NTT Frankfurt 4
12.49 miles NTT: Nierstein
NTT is planning a large data center campus in Nierstein, approximately 50km south of Frankfurt.
12.84 miles Keppel Kelsterbach
The data centre has a total lettable area of approximately 540,869 sqft, and fully leased on a triple-net basis until the end of 2025.
13.15 miles STACK FRAL1
In 2022, STACK acquired the 17-acre site from Coca-Cola Europacific Partners Deutschland GmbH (CCEP DE), who operated a bottling and distribution plant at the location for more than 50 years.
13.84 miles CloudHQ: FRA04
The facility will be located at CloudHQ's Höchst Campus (FRA03) in Frankfurt, Germany.
13.91 miles CloudHQ: Hochst Campus FRA03
CloudHQ's second Frankfurt-area campus is strategically located west of the Frankfurt metro, on the Höchst campus.
13.93 miles CloudHQ: FRA05
The facility will be located at CloudHQ's Höchst Campus (FRA03) in Frankfurt, Germany.
13.98 miles Carrier-Neutral Data Center Request Dataset
Vantage plans to build a multi-building data center campus called FRA51 in Frankfurt.
14.02 miles Carrier-Neutral Data Center Request Dataset
This planned facility is part of Vantage's FRA-51 campus in Frankfurt.
14.04 miles Carrier-Neutral Data Center Request Dataset
This planned facility is part of Vantage's FRA-51 campus in Frankfurt.
14.05 miles Carrier-Neutral Data Center Request Dataset
This planned facility is part of Vantage's FRA-51 campus in Frankfurt.
14.08 miles Carrier-Neutral Data Center Request Dataset
This planned facility is part of Vantage's FRA-51 campus in Frankfurt.
15.57 miles China Mobile Frankfurt
15.61 miles Goodman: FRA I Bldg2
This facility will be part of Goodman's Frankfurt I Campus in Germany.
15.64 miles Goodman: Frankfurt I
The Goodman FRA I Data Centre is a powered shell facility situated in Mörfelden-Walldorf, Germany.
15.84 miles CyrusOne Frankfurt FRA7
Construction is currently underway for the FRA7 data center campus, with first phase expected to be operational by Q2 2026.
16.02 miles maincubes: FRA03
maincubes is building its third data center in Frankfurt. The 27,000 sqm (290,600 sq ft) FRA03 will offer 7,500 sqm of white space across three floors and 6 data halls.
16.06 miles FKQ I Data Center
16.11 miles maincubes: FRA02
Maincubes opened its second Frankfurt data center in 2024. The FRA02 facility offers 4,700 sqm of IT white space.
16.13 miles Data Castle: Frankfurt 1
Data Castle has started construction on its first data center in the town of Schwalbach am Taunus, just outside of Frankfurt.
16.17 miles Equinix Frankfurt FR8
Located in the Lärchenstrasse Campus, FR8 data center provides secure, resilient colocation services covered by 100% renewable energy.
16.22 miles Aruba: Germany DE1
The data center is equipped with autonomous power generators with underground fuel tanks able to provide energy to the entire data center even at full capacity.
16.24 miles Equinix Frankfurt FR4 FR6
16.27 miles nLighten Frankfurt
16.62 miles CyrusOne Frankfurt FRA3
16.67 miles Aroundtown: Frankfurt
German real estate company Aroundtown aims to repurpose the "tricubes" building at Wilhelm-Fay-Straße 30-34, a four-story office complex built in 2003 that previously housed IBM.
16.68 miles Cyrusone FRA6
FRA6 will offer a total IT capacity of 72MW over four floors, with each level delivering 18MW.
16.72 miles CyrusOne Frankfurt IV
16.78 miles CyrusOne Frankfurt II
The facility was previously known as Zenium Frankfurt Two.
16.78 miles CyrusOne Frankfurt I
16.81 miles Digital Realty FRA29
16.86 miles Digital Realty FRA31
16.86 miles Digital Realty FRA32
16.86 miles Digital Frankfurt Sossenheim
Located within an established data centre hub to the north west of Frankfurt, Digital Frankfurt – Wilhelm Fay Strasse provides a campus of 3 buildings, totaling 180,000 sqft. of net technical space. Each building provides 6 data suites of 10,000 sqft (Net space), together with 60,000 sq. ft. of ancillary space including dedicated offices, de-box rooms, test rooms and dedicated plant areas.
16.88 miles Colt Frankfurt Three
16.92 miles Colt Frankfurt West
Colt's new data center in Sossenheim is under construction and will be delivered in Q4 2021
17.46 miles Global Switch: Frankfurt South
Global Switch's Frankfurt campus – comprising two data centers – Frankfurt North (launched in 2019) and Frankfurt South, is located close to the financial district, city center, and Frankfurt International Airport, which is just 15 minutes away by car.
17.46 miles Global Switch: Frankfurt North
Global Switch's Frankfurt campus – comprising two data centers – Frankfurt North (launched in 2019) and Frankfurt South, is located close to the financial district, city center, and Frankfurt International Airport, which is just 15 minutes away by car.
17.48 miles Digital Lyoner Strasse 28
17.48 miles Rackspace Frankfurt FRA1
Rackspace maintains a small data center in Frankfurt
17.52 miles NTT Frankfurt 1 Campus
The almost 54,000 sqm campus, which is owned by e-shelter, offers space for five free-standing buildings
17.52 miles Hyperscale Data Center Request Dataset
17.72 miles NorthC: Frankfurt III
The NorthC Frankfurt 3 data center is a strategic colocation facility situated in the heart of Frankfurt's digital district.
17.93 miles Telehouse: FRA Bldg-M
This facility is part of Telehouse Germany's Frankfurt campus.
17.93 miles Telehouse: FRA Bldg-D
This facility is part of Telehouse Germany's Frankfurt campus.
17.94 miles Telehouse: FRA Bldg-C
This facility is part of Telehouse Germany's Frankfurt campus.
17.94 miles Telehouse: FRA Bldg-N
This facility is part of Telehouse Germany's Frankfurt campus.
17.94 miles Verizon Frankfurt
17.97 miles Telehouse: FRA Bldg-B
This facility is part of Telehouse Germany's Frankfurt campus.
18.00 miles Telehouse: Frankfurt Campus
A major 2026 expansion is planned for the Telehouse campus, bringing the total number of facilities to six.
18.15 miles Equinix FR16
18.15 miles NewTelco Frankfurt (Rebstöckerstrasse)
18.15 miles Equinix Frankfurt FR5
18.15 miles ITENOS Frankfurt
18.16 miles Hyperscale Data Center Request Dataset
18.62 miles Equinix Frankfurt FR7
18.63 miles INAP FRA Gutleutstraße 310
18.92 miles euNetworks Frankfurt
19.06 miles Mainova: Langen
Stadtwerke Langen and Mainova WebHouse GmbH & Co. KG, a wholly owned subsidiary of Mainova AG, plan to build an innovative data center in Langen's Neurott business center.
19.38 miles IBM Frankfurt
19.88 miles Goodman: FRA02-B
This facility is part of Goodman Group's Frankfurt II campus in Frankfurt.
19.90 miles Goodman: FRA II Campus
The former printing plant of the German newspaper Frankfurter Rundschau is being transformed into a state-of-the-art powered shell data centre campus situated just south of Frankfurt.

Green Mountain: FRA Mainz Data Center Photos (See all)

Rendering of Green Mountain FRA Mainz campus
Source: Green Mountain
Rendering of Green Mountain FRA Mainz campus
Source: Green Mountain
Rendering of Green Mountain FRA Mainz campus
Source: Green Mountain

Operating Company

Operated by:

Green Mountain AS design build and operate high security, robust wholesale colocation data centres.

The companyhas two data centres in Norway with plans to develop in other regions. The data centres operate on 100% low cost renewable power and use of free cooling creating unique power efficiency. Both data centres, DC1-Stavanger and DC2-Telemark have achieved Uptime Institute Tier III certification as the only Nordic colocation provider. In addition both data centres have the ISO 9001 and ISO 14001 certifications in place.

The data centre near Stavanger (DC1-Stavanger) is built deep inside a mountain in a former high security NATO ammunition store.

The data centre in Telemark (DC2-Telemark) is in the ‘cradle of hydro power’ in Norway with multiple local hydro power plants.

Smedvig is the majority owner of Green Mountain.

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