On this page, you will find links to the instructions and forms found on our website. Customer service Update customer information Contact form Online Service Instructions for reading electricity invoices Energy advice For a mover Synergi service Invoicing guidelines Nurmijärven Sähkö’s invoicing addresses Electricity sales Cancelling a sales contract Electricity distribution Electricity distribution forms For a builder Cable display / mirroring Preparing for power outages District heating District heating connection application Registers and descriptions Terms and conditions Frequently asked questions