Our services

Supplier Qualification

Choosing the right transformer supplier directly affects reliability, performance and project risk. EWP provides an independent, structured supplier qualification service for utilities, EPC contractors and industrial clients.

What we do for you

  • Scout and pre-select qualified transformer suppliers
  • Carry out technical due diligence
  • Assess manufacturing capabilities and quality systems
  • Reduce risk in procurement and project execution

How the qualification works

Every audit follows the same path, from document review to follow-up.

  1. Supplier documentationCollection and review of the supplier's technical and quality documentation.
  2. Audit checklistA checklist tailored to the product range and to your project requirements.
  3. Audit executionOn-site assessment of engineering, production and testing.
  4. Audit follow-upFindings, corrective actions and the final qualification outcome.

What we assess

Our process is grounded in engineering expertise and field experience.

Market screening
Identification of potential suppliers by product range (MV, HV, special transformers), market reputation and project references.
Technical evaluation
Design capabilities, engineering competence, compliance with IEC and IEEE standards.
Production facilities
Core and winding manufacturing, assembly processes, quality control procedures.
Quality and reliability review
Quality management systems (ISO 9001 and others), test capabilities (routine, type and special tests), track record and failure history.
Risk assessment
Potential risks in design, manufacturing, supply chain and project execution.

What you gain

Our goal is that every selected supplier meets not only the technical requirements but also the highest standards of quality, reliability and manufacturing excellence.

  • Reliable, technically competent suppliers
  • Lower procurement risk and fewer costly failures
  • Better project outcomes and long-term asset performance
  • Time and internal resources saved on supplier evaluation