maincubes mainHub Berlin (Nauen)
AnnouncedNauen, Brandenburg
maincubes mainHub Berlin (Nauen) is a data center in Nauen, Germany, operated by maincubes, announced, not yet built.
Planned data centre campus near Berlin in Nauen, with zoning plan approved and grid connection agreement signed ahead of development.
- Operator
- maincubes
- City
- Nauen, Germany
- Power, MW
- —
- Cooling
- Air
Coloprice Score
2 out of 100
limited data · #122 of 122 in Germany
- Resilience0/35
- Compliance0/20
- Transparency2/20
- Scale0/15
- Maturity0/10
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</a>Two hundred megawatts in the first phase alone — that is the scale maincubes is planning for mainHub Berlin, a campus of up to six data centres in Nauen, west of Berlin, with expansion potential beyond 400 MW. The project cleared a decisive milestone when its zoning plan became legally binding on 2 July 2025, and a grid connection agreement signed with utility E.DIS guarantees power from 2027, delivered through a dedicated 110 kV substation being built on-site. The first facility, designated BER02, is at an advanced planning stage and complements the operator's existing BER01 building in the capital. The concept leans on regional wind and solar generation and on waste-heat integration with local heating networks serving nearby residential and commercial areas. maincubes frames the campus as a digital hub for Eastern and Central European markets, built for compute-intensive AI and cloud workloads that outgrow inner-Berlin power availability.
- ▮Planned campus of up to six data centres in Nauen, west of Berlin
- ▮First phase (BER02) up to 200 MW; over 400 MW expansion potential
- ▮Zoning plan legally binding since July 2025; E.DIS grid deal secures power from 2027
- ▮Dedicated 110 kV substation under application on-site
- ▮Waste-heat supply to local heating networks and regional renewables
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Data release:
Source — Verified against operator sources · data pending on-site verification