Update your customer information
Has your contact information changed? You can easily update your information with an electronic form.
Manage your contracts in our Online Service
Log in and manage your contracts in our Online Service.
Need help? Contact us!
You can reach our customer service by email at asiakaspalvelu@nurmijarvensahko.fi or by phone at (09) 8780 7300. You can also contact us via the chat service or using the contact form.
We also serve you at our visiting office on weekdays from 8 am to 4 pm.
(on the eve of public holidays and in the summer between 1 June –15 August Mon-Fri 9 am to 3 pm)
(EPSI Rating, energy industry customer satisfaction survey, autumn 2025)
Instructions and tips
You can find our electronic forms and instructions for different situations
on the Instructions and forms page.
For a builder
In the For a builder section, we have compiled information on the process of connecting to the electricity network.
Cable display / mirroring
Make sure that there are no underground cables running along the excavation route of the site that could be damaged.
Small-scale electricity production
Small-scale production refers to small electricity production devices connected to the property’s electricity network, such as small solar panels with a nominal output of no more than 100 kVA.
Energy advice
Our energy advisor helps our customers in matters related to energy: electricity, heating and transport.
Frequently asked questions
Answers to the most frequently asked questions have been collected to our FAQ page.