This 1996 study took account of several
scenarios. The most efficient scenario, where all magnetic ballasts would be withdrawn at some point from the market and the best available technology, i.e. electronic
ballasts, which already account for 20% of the market,
would, at some point, supply the entire market,
would mean savings of 250 terawatt hours, i.e. 250 billion kilowatt hours througho
...[+++]ut the EU.