Note 23 Purchase costs and costs of subcontracted work

Compared with 2022, the purchasing costs and subcontracted work rose by €265 million to €1,027 million. The costs of transmission capacity rose by €162 million as a result of the higher tariffs charged to us by TenneT. The costs of network losses were €78 million higher due to the high energy prices paid for procuring electricity and gas. The costs of hiring contractors and consumption of materials were €17 million higher due to price increases and a larger amount of work that we carried out.