They compare TVs of the same size and give them a rating based on the amount of power used; or fail them if they exceed some maximum power usage. It's linked f

They compare TVs of the same size and give them a rating based on the amount of power used; or fail them if they exceed some maximum power usage. It's linked from the article in GP's post. https://commission.europa.eu/energy-climate-change-environment/standards-tools-and-labels/products-labelling-rules-and-requirements/energy-label-and-ecodesign/energy-efficient-products/electronic-displays-including-televisions_en https://commission.europa.eu/energy-climate-change-environme...