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Fortum vs VattenfallElectricity

Side by side

ElectricityFortumVattenfall
Website in EnglishYesNo
Customer service in EnglishNot confirmedNot confirmed
Join without a Finnish IDNot confirmedNot confirmed
Offersspot, fixed-term, hybrid, open-ended variablespot, fixed-term

Current electricity contracts

18 contracts for 2,000 kWh a year

  • Cheapest
  • Energy price
  • Basic fee
  • Seller A–Z
VattenfallOptimi Pörssisähkö - Perusmaksut -50 % ensimmäiset 12 kuukauttaSpotspot + 0.50 c€5.95Open-ended€13/monthOpen
VattenfallOptimi Pörssisähkö, 6 kk perusmaksu 0 €Spotspot + 0.50 c€5.95Open-ended€13/monthOpen
VattenfallOptimi PörssisähköSpotspot + 0.50 c€5.95Open-ended€16/monthOpen
VattenfallOptimi Pörssisähkö TuuliSpotspot + 0.50 c€5.95Open-ended€16/monthOpen
VattenfallOptimi Pörssisähkö VesiSpotspot + 0.50 c€5.95Open-ended€16/monthOpen
Fortum MarketsFortum TarkkaSpotspot + 0.59 c€5.99Open-ended€16/monthOpen
VattenfallHelppo PörssisähköSpotspot + 0.00 c€8.95Open-ended€18/monthOpen
VattenfallIlmasto Mix 24 kk - Perusmaksut 0 € ensimmäiset 3 kkFixed10.59 c/kWh€4.9524 months€21/monthOpen
VattenfallTäystuuli 24 kkFixed10.64 c/kWh€3.9524 months€22/monthOpen
VattenfallTäysvesi 24 kkFixed10.64 c/kWh€3.9524 months€22/monthOpen
Fortum MarketsFortum Duo 24 kkHybrid9.59 c/kWh€5.9924 months€22/monthOpen
VattenfallIlmasto Mix 12 kk - Perusmaksu 0 € ensimmäiset 3 kkFixed11.56 c/kWh€4.9512 months€23/monthOpen
VattenfallTäystuuli 12 kkFixed11.61 c/kWh€3.9512 months€23/monthOpen
VattenfallTäysvesi 12 kkFixed11.61 c/kWh€3.9512 months€23/monthOpen
Fortum MarketsFortum Takuu 24 kkFixed10.39 c/kWh€5.9924 months€23/monthOpen
Fortum MarketsFortum Duo 12 kkHybrid10.99 c/kWh€5.9912 months€24/monthOpen
VattenfallKestoFixed13.96 c/kWh€4.55Open-ended€28/monthOpen
Fortum MarketsFortum Kesto, yleissähköFixed19.99 c/kWh€4.96Open-ended€38/monthOpen

What each provider offers

Fortum

Fortum lists these options on its own website: spot, fixed-term, hybrid, open-ended variable.

Fortum publishes information on an English-language website. This does not by itself confirm that every sign-up step or support channel works in English.

Fortum: customer service in english has not been confirmed in our sources. Ask the provider before relying on it.

Fortum: join without a finnish id has not been confirmed in our sources. Ask the provider before relying on it.

The English site lists a separate number for calling from abroad, +358 9 4241 1640 (Mon-Fri 8-17).

Sources, checked 8 November 2026

Vattenfall

Vattenfall lists these options on its own website: spot, fixed-term.

Vattenfall does not list an English-language website in our research. Follow its own site for the available languages and current sign-up instructions.

Vattenfall: customer service in english has not been confirmed in our sources. Ask the provider before relying on it.

Vattenfall: join without a finnish id has not been confirmed in our sources. Ask the provider before relying on it.

The site is in Finnish and Swedish only, but the contract terms are published in English.

Sources, checked 8 November 2026

Questions,

How should I compare Fortum vs Vattenfall?

Compare the same contract type and yearly electricity use. A fixed price, a spot-price margin and a hybrid price are different products. Include the monthly fee and any commitment, and check whether the offer covers your address. Electricity distribution remains with your local grid company when you change seller.

Where do the facts about Fortum vs Vattenfall come from?

The service and contract facts come from Fortum's and Vattenfall's own websites, checked on 8 November 2026. Sources are linked with each provider. “Not confirmed” means the source did not establish an answer; it does not mean “no”. Live plan tables, when available, use separately refreshed prices.

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