Calls for tender

We announce current calls for tender through the supplier portal.

Service login 

Submitting a bid requires registration in the supplier portal. We recommend that you register in the service with immediate effect. Registration is free of charge and you will receive a username immediately in connection with registration. Any further questions related to the invitation for bids must be presented through the portal in accordance with the terms of the invitation for bids. Questions are also answered through the portal.


The bid shall be submitted by responding to the questions and requests for information presented in and by downloading the required appendices into the portal. If there are any problems when using the portal, please contact

Further instructions on using the service are available through the electronic portal link ‘Open the instructions for use’.

Contact us

Markku Järventausta Purchasing Manager 040 630 6100

See also

Contact details for Helen

Here you can find the contact details for various parts of Helen, as well as a map of Helen’s places of business, charging points and cultural sites.

Invoicing in the Helen Group

We only process e-invoices. We require the use of invoicing references on all invoices. Here you can find more information and Helen Group's e-invoicing addresses.

For the media

We serve the media in energy-related issues and offer the services of our experts for interviews.