Mapped (unverified)
Mainova WebHouse
Frankfurt am Main, Hessen, Germany
Source: OpenStreetMap
Mainova WebHouse is a mapped data center in Hessen, Germany. DataCentersExposed has documented a 42,093 sq ft footprint at this site. It runs on Germany's grid, which was 41% fossil-fuelled at 330 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 14, 2026
Real parent
—
Operator
—
Est. capacity
~5-20 MW
Footprint
42,093 sq ft
Grid carbon
330 gCO₂/kWh
Clean electricity
59%
DC power price
21.56¢/kWh
Region
Hessen
Overview
source: linkdata center
The grid behind this site
source: Ember · EurostatGrid carbon intensity
330 gCO₂/kWh
Clean electricity
59%
Fossil electricity
41%
Data-center power price
21.56¢/kWh
A large data center in Germany pays 21.56¢/kWh for electricity — a household pays 39.43¢, 45% more than the data center (Eurostat).
National grid context, not this facility's own metering. Full country picture: Germany data centers.
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