Paper invoices will become chargeable at the beginning of 2027

From 1st of January 2027, a fee of EUR 2,50 (incl. VAT 25,5%) will be added to invoices sent on paper. The fee is not charged for electronic invoices (e-invoice, direct payment, corporate e-invoice or email invoice).

How to switch to free electronic invoicing:

Personal customers

  • E-invoice: You can make an e-invoice authorization in your own online bank by selecting Haminan kaupunki – Haminan Vesi as the invoice provider.
  • Direct payment: You can arrange a direct payment at your own bank.
  • Email invoice: You can switch to email invoices by informing your address to our customer service.

Corporate customers

  • You can inform your e-invoice information to our customer service.

Haminan Vesi customer service
weekdays 9 – 11 am and 1 – 3 pm
tel. +358 5 749 2510
email: vesilaskutus@hamina.fi