In short
Our comparison includes 3 contracts from Helen: 1 spot-price contract and 2 fixed-price contracts. The seller’s cheapest contract by home type: Apartment (2,000 kWh): Pörssisähkö, about 221 € a year, rank 23/76; Detached house, no electric heating (6,000 kWh): Pörssisähkö, about 549 € a year, rank 20/75; Detached house, direct electric heating (18,000 kWh): Pörssisähkö, about 1,618 € a year, rank 15/71. The cheapest in the whole comparison for an apartment is Nordic Green Energy Pörssisähkö ei kuukausimaksua, 181 € a year. Prices were checked on 11 Nov 2026 on the seller’s own website.
Contracts
Pörssisähkö Spot price
Margin 0.49 c/kWh, monthly fee 4.96 €
Price checked 11 Nov 2026 on the seller’s website
Määräaikainen Perussähkö 24 kk Fixed price · 24 mo
10.38 c/kWh, monthly fee 5.99 €
Price checked 11 Nov 2026 on the seller’s website
Määräaikainen Perussähkö 12 kk Fixed price · 12 mo
11.38 c/kWh, monthly fee 5.99 €
Price checked 11 Nov 2026 on the seller’s website
Annual price by home type
| Contract | Apartment 2,000 kWh | Terraced house 5,000 kWh | Detached house 6,000 kWh | Heat pump 10,000 kWh | Electric heating 18,000 kWh |
|---|---|---|---|---|---|
| Pörssisähkö | 221 € rank 23/76 | 467 € rank 22/76 | 549 € rank 20/75 | 912 € rank 18/73 | 1,618 € rank 15/71 |
| Määräaikainen Perussähkö 24 kk | 279 € rank 54/76 | 591 € rank 52/76 | 695 € rank 51/75 | 1,110 € rank 50/73 | 1,940 € rank 45/71 |
| Määräaikainen Perussähkö 12 kk | 299 € rank 70/76 | 641 € rank 68/76 | 755 € rank 67/75 | 1,210 € rank 64/73 | 2,120 € rank 59/71 |
| Cheapest in comparison | 181 € Nordic Green Energy | 432 € Herrfors | 511 € Herrfors | 863 € Herrfors | 1,549 € Herrfors |
Frequently asked questions
Is Helen the cheapest in the comparison?
In an apartment (2,000 kWh) the seller’s cheapest contract, Pörssisähkö, ranks 23/76 at about 221 € a year, while the cheapest in the comparison costs 181 €. With direct electric heating (18,000 kWh) the cheapest is Pörssisähkö, ranked 15/71 (1,618 €, cheapest 1,549 €). The ranking depends on consumption, so calculate your own price in the comparison.
Helen Pörssisähkö: what are the margin and monthly fee?
The margin is 0.49 c/kWh and the monthly fee 4.96 €/month. On top of that you pay the hourly spot price. Price checked on 11 Nov 2026 on the seller’s website.
Helen Määräaikainen Perussähkö 24 kk: what is the fixed price?
The energy price is 10.38 c/kWh and the monthly fee 5.99 €/month, with a 24-month term. Price checked on 11 Nov 2026 on the seller’s website.
Helen Määräaikainen Perussähkö 12 kk: what is the fixed price?
The energy price is 11.38 c/kWh and the monthly fee 5.99 €/month, with a 12-month term. Price checked on 11 Nov 2026 on the seller’s website.
Does the price include transmission?
No. Transmission fees and electricity tax are paid to your local network company and are the same whichever seller you buy electricity from. The annual prices in the comparison include energy, the seller’s margin and the monthly fee, with 25.5 % VAT.
Which contract is cheapest for you?
Calculate your annual price for every contract with your home type and consumption.
Read next
Spot prices: Ember, European Wholesale Electricity Price Data (CC-BY 4.0), original source Nord Pool. Contract prices from the seller’s own website. Method: How we compare. Spotted a mistake? [email protected]