Invoices and payment
On this page, you will find answers to the most frequently asked questions related to water and waste invoices.
As of 1 September 2025, HSY’s payment transactions will be handled by Ropo Suomi Oy. If you have any questions about the payment, due date, reference number or collection of an invoice, you can contact Ropo’s customer service directly. If your issue concerns the total amount of an invoice or factors affecting it, such as agreements, changes to them or the content of services, please contact HSY’s customer service.