Time-of-day Electricity and Seasonal Electricity

Our contracts valid until further notice available for customers with electric heating are Time-of-Day Electricity and Seasonal Electricity. 


Time-of-Day Electricity is suitable for customers who have electric heating and the metering method is based on day/night time division. The daytime electricity unit charge shall be effective on weekdays 7am-10pm. The night-time electricity unit charge shall be effective 10pm-7am.

Seasonal Electricity is meant for customers with electric heating and the metering method is based on a time division between winter weekdays and other times. The price for winter day electricity is effective between 1st of November and 31st of March, Monday to Saturday 7am to 10pm. The price for other times is effective on other times.

The contract, which is valid until further notice, may be terminated with two weeks’ notice. In both cases, we will give you plenty of notice about any changes to your electricity price.

See price lists and terms of contract


  • Contract: valid until further notice
  • Origin: complies with the Nordic production mix
  • Price: follows the electricity price trend
  • Who for: especially for homes with electric heating, also often for sites heated with geothermal heat.


The origin of Time-of-Day and Seasonal Electricity is based on the production mix of electricity produced in Finland, deducted by electricity produced with energy sources with a certified guarantee of origin.

Specific carbon dioxide emissions of Time-of-Day and Seasonal Electricity are 232 g/kWh and the amount of spent nuclear fuel is 1,49 mg/kWh. See also the origin and specific emissions of all sold electricity.

Energiamuoto %
Fossil sources 41
Nuclear power 52
Renewable sources 8

See also

Electricity products and prices

As Helen's customer, you will get electricity affordably everywhere in Finland. We already have more than 500 000 happy customers. From a broad selection, you will find the right alternative to match your needs and values.

Fixed price electricity

Fixed price electricity is favourably priced electricity produced with renewable energy sources.

Safe and easy General Electricity

General Electricity is mainly meant for apartments and for homes and holiday homes with no electric heating.

Renewable Wind Power

Wind Power is a favourably priced and carefree contract where all supplied electricity is free of carbon dioxide.

Environmental electricity

Environmental electricity is a combination of solar, wind and hydro power.

Exchange Electricity for market price

The price of Exchange Electricity is determined directly on the basis of the market price of electricity, and the contract is valid until further notice.

Market Price Electricity

The price of Market Price Electricity is determined on the basis of the market price of the up-to-date market price electricity.

Environmental Penny supports renewable energy production

You can have an impact on increasing the use of renewable production methods when you sign up for Environmental Penny with your electricity contract.

Service Agreement for Household - electricity contract and household insurance in an economical package