EWE AG Slashes Java Licensing Costs by 60% with Oracle-to-Azul Migration — Azul Systems, Inc.

Event summary

EWE AG reduced Java licensing costs by 60% after migrating from Oracle to Azul Core.
The migration standardized over 100 applications and tens of thousands of endpoints across EWE’s infrastructure.
EWE completed the phased rollout in approximately eight to nine months, with even complex migrations taking around four hours.
Azul’s enterprise support model was cited for its responsiveness and technical competence.

The big picture

EWE AG’s migration from Oracle Java to Azul Core highlights the growing trend of enterprises seeking cost-effective, supported alternatives to proprietary Java licensing models. This shift is particularly relevant for critical infrastructure operators subject to stringent regulatory requirements, where stability and compliance are paramount. The move underscores broader industry dynamics favoring open-source solutions with enterprise support, driven by cost pressures and the need for operational standardization.

What we're watching

Migration Momentum: Whether other large enterprises will follow EWE’s lead in migrating from Oracle Java to Azul Core, driven by cost savings and operational benefits.
Regulatory Compliance: How critical infrastructure operators like EWE AG will navigate compliance with frameworks such as Germany’s BSI Act (BSIG) under new Java platforms.
Vendor Lock-In Risk: The pace at which enterprises can avoid vendor lock-in by adopting open-source-based solutions while maintaining enterprise-grade support.