Content from Markku Report Comparing the Sustainability and Energy Consumption of Glass, Porcelain, and Composite High Voltage Grid Insulators Contributors Amith Karanth Application Engineer, PPC Insulators Tim Van Remmen Engineering Manager, LAPP Insulators Christoph Purucker Global Head of Technical Product Design, LAPP Insulators Eduardo Hilsdorf Sales Director LATAM, PPC Santana Patrick T. Maloney Chief Engineer, PPC Insulators Thomas Zembsch Sales Director, LAPP Insulators Ian Grant Planning Coordinator, Tennessee Valley Authority