alt Hacker NewsUp from about 6% in 2015-2020 according to the World Bank: https://data.worldbank.org/indicator/EG.ELC.LOSS.ZS?location...
But at 2.9% according to Eesti's electricity supplier: https://www.elering.ee/en/electricity-consumption-and-genera...
"In 2024, losses accounted for 2.9% of the total amount of electricity supplied to the transmission system." What does it all mean, who knows.
Elering reports only their part, the very high voltage transmission losses. Then there are the distribution losses on the local level are they're about 4%.
https://www.ceer.eu/wp-content/uploads/2025/02/3rd-CEER-Repo...