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