Case Study: US Midwestern Energy and Utility Company achieves major database cost savings and rapid Oracle/SQL Server migrations with EnterpriseDB

Energy Utility's Oracle and SQL Server Migrations Revitalize Data Infrastructure with EDB Postgres and Virtualization

A Midwestern U.S. energy utility serving millions used a planned hardware refresh and virtualization initiative to reassess its RDBMS strategy. Facing high Oracle licensing costs and the need for a platform that would work across on‑premises, virtualized, and cloud environments, the IT team sought a lower‑cost, flexible alternative.

The company migrated Oracle and Microsoft SQL Server workloads to EDB Postgres, leveraging EDB’s migration toolkit and custom scripts to handle proprietary code; a pilot SQL Server migration for a 30–50GB app was completed in one day with no application changes. The switch to EDB Postgres enabled flexible subscriptions and deployment options and delivered significant license savings—up to about 80% versus Oracle and roughly 66% versus SQL Server—while minimizing retraining and supporting the new virtualized infrastructure.