Become a small-scale producer – make use of your own energy!
Generate electricity yourself and sell the surplus to the grid.
Remember to report your production equipment before connecting – this is required for safety and approval.
What is small-scale electricity production?
Small-scale production means that the customer generates electricity themselves – for example, using solar panels – for their own home or property. Any surplus can be sold back to the grid, but the production equipment must be approved by us before it is taken into use.
Benefits of small-scale electricity production – why become a microproducer?
Save on electricity bills
Produce your own electricity and buy less.
Earn from surplus
Sell excess electricity back to the grid.
Produce clean energy
Generate renewable energy and make a difference.
Increase self-sufficiency
Reduce dependence on price spikes.
Increase property value
An energy-efficient home appeals to buyers.
Utilize subsidies and tax benefits
Small-scale production often qualifies for household deductions or government support.
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Report your production equipment electronically – this is mandatory.
It is a legal requirement to report and have your production equipment approved by us. Without approval, the equipment must not be connected to the grid.
The fastest and easiest way to report is through our electronic service portal.
Who is responsible for the notification?
- The electrical contractor handles the technical installation and can assist with the required information.
- The customer is responsible for ensuring that the notification has been submitted and approval received before using the equipment.
Do not connect the production equipment before approval has been granted.
How is the notification made?
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Gather the necessary information:
Technical details of the equipment, connection location, and contractor information. -
Submit the notification electronically:
Complete the form and attach the required documents. -
Make an electricity purchase agreement for the production site:If you produce electricity, for example with solar panels, and your production exceeds your own consumption, you can sell the surplus electricity to the electricity grid.
To do this, you must sign an electricity purchase agreement with the electricity supplier of your choice.
The electricity supplier will buy the surplus electricity from you at the agreed price. -
Wait for approval
You will receive the decision and any additional questions by email.
Start now – ensure correct and safe connection!
The notification can be easily submitted through our online service. Only approved systems may be connected to the electricity grid.
Why is the notification important?
Safety
Approved equipment protects you and others.
Grid compatibility
Avoids disruptions and hazardous situations.
Selling electricity back to the grid
Only possible with an approved system
Examples of small-scale electricity production:
- Solar panel systems
- Wind generators
- Micro hydro power
- Hybrid systems (e.g. solar + battery storage)
The equipment must not be connected to the grid without approval
Unauthorized equipment can result in a connection ban, inability to sell electricity, or even dangerous situations.
Submit your notification in time – safety and smoothness are ensured with one single form.
Frequently asked questions
Acquire production equipment (e.g. solar panels) and submit a notification to Herrfors Nät-Verkko. The notification can be made by the customer or the electrical contractor.
Yes. Small-scale production requires a production contract and bidirectional metering.
Many sites already have a bidirectional meter. If not, Herrfors Nät-Verkko installs one.
Sign a separate contract with an electricity retailer of your choice. Herrfors Nät-Verkko delivers the metering data to the retailer.
How large a plant can be connected to the grid?
The maximum size depends on the main fuse size. The electrical contractor assesses the need, and Herrfors Nät-Verkko ensures connection conditions.
Small installations can be connected within a few weeks, while larger ones may take several months.
Did the instructions raise more questions?
If we didn’t manage to answer your questions, you are welcome to contact our customer service. We’re happy to help you by phone or email.
