In short: since 1 April 2026, Germany's four transmission operators allocate grid capacity to large consumers such as data centers by project maturity rather than first-come, first-served. Applications for 100 MW and above pay a €50,000 fee, and accepted offers require a €1,500 per MW security.

Germany at a glance Operators: 50Hertz, Amprion, TenneT, TransnetBW
Procedure: maturity-based allocation (Reifegradverfahren), since 1 April 2026
Scope: consumers and storage requiring 100 MW and above
Costs: €50,000 non-refundable application fee, €1,500 per MW security on acceptance
First cycle: applications closed 30 June 2026

FROM FIRST COME TO FIRST READY

Under the previous first-come, first-served principle, early-stage projects could block capacity for years. The new procedure runs in cycles: an application phase, a cluster study that scores project maturity (land, permits, technical concept), and an offer phase. Capacity goes to the highest-scoring projects. Unsuccessful projects can be carried into later cycles.

WHAT IT MEANS FOR DEVELOPERS

The fees are modest compared with the UK proposal, but the filter is demanding in another way: developers must advance land and permitting work before knowing whether they will get capacity. That shifts risk earlier in the project and favours developers with mature pipelines.

WHAT IT MEANS FOR LENDERS

A project's maturity score becomes a proxy for its financeability. Lenders should check which cycle a project is in, what score it achieved, and what happens if a permit is challenged after capacity is allocated. See how Germany compares with the UK, Ireland and France and the grid data center hub.

FREQUENTLY ASKED QUESTIONS

What is the Reifegradverfahren?

A maturity-based procedure introduced by Germany's four transmission operators on 1 April 2026 to allocate grid capacity to large consumers and storage, replacing first-come, first-served.

How much does it cost to apply for a data center grid connection in Germany?

A non-refundable €50,000 application fee, plus a €1,500 per MW security when accepting a connection offer, later credited against the construction cost contribution.

Which projects does it apply to?

Consumers and storage requiring 100 MW or more of transmission-level connection capacity, including data centers, electrolysers and large batteries.