Fortum Silesia S.A., Bytom Business ID 271990231 VAT number PL 6480001289 E-invoices e-Invoice operator BAWCFI22 e-Invoice address PL64800012899585C PDF invoices Fortum.PL9585C [at] bscs.basware.com Paper invoices Purchase invoices (9585C) ul. Antoniego Slonimskiego 1A, 50-304 Wrocław Poland