Fortum Power and Heat Oy, eNext Business ID 0109160-2 VAT number FI01091602 E-invoices e-Invoice operator BAWCFI22 e-Invoice address 003701091602900S PDF invoices Fortum.FI900S [at] bscs.basware.com Paper invoices Purchase invoices (900S) PL 753 00026 BASWARE Finland