The application, which has to be submitted digitally, is subject to the following rule: Those who had cost increases of more than 70 percent in 2022 compared to the previous year are to be relieved by the programme. The subsidy amounts to 80 per cent of the additional costs above this value. "If you look at it in concrete terms, for a single-family house with 90 square metres in Köpenick, if you buy 4,600 kilogrammes of coal, that's a one-time subsidy of 846.40 euros," explained State Secretary for Economic Affairs Michael Biel (SPD). For oil in a house of the same size, a subsidy of 319.20 euros is to be expected. "So it's not a small thing, but a real relief contribution," as Biel said. However, there is a "de minimis limit" of 100 euros - amounts below that are not taken into account.