Power and distribution transformers, which convert voltages in electricity transmission and distribution grids, are subject to EU ecodesign and energy labelling requirements. Using more energy efficient transformers should lead to energy savings of an estimated 16TWh per year after 2020. This is equivalent to 3.7 million tons less of CO2 being emitted each year, or half of Denmark’s total annual electricity consumption (32 TWh).
Ecodesign requirements apply to all manufacturers and suppliers of power transformers who sell their products in the EU. These requirements mainly cover minimum energy efficiency levels of transformers with a minimum power rating of 1kVA that are used in 50 Hz electricity networks or in industrial applications.