The Insulator
Education Initiative (IEI)
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    Expert Contributor

  • Name: Markku Ruokanen
  • Title: Group Quality and R&D Director , ITG
  • Qualifications:
    MSc Material Science
    BSc Science
  • Connect on LinkedIn
  • Markku is a Quality and R&D Director for ITG. He has extensive experience in production management and has led multiple research programs in the Energy Transmission and Distribution space. Markku speaks regularly at events such as CigrĂ© and INMR World Conference, and has authored many reports on insulator performance that are highly regarded in the industry.

Content from Markku

Hydrophobicity testing of an RTV-coated ceramic post insulator for a HDVC reactor - shows water droplets on an insulator surface
Report
RTV-coated ceramic post insulators for HVDC reactors: what the qualification data shows
CIGRE logo for Paris Session 2026 article
Report
The insulator professional’s guide to CIGRE Paris 2026, with trends and must-see talks
Report
Field Aging Behavior of Long Rods Analyzed According to Cigré TB 306
man looking at transmission tower as he evaluates sustainability of insulator
Report
Comparing the Sustainability and Energy Consumption of Glass, Porcelain, and Composite High Voltage Grid Insulators