Electricity provider comparison
Vattenfall vs Oomi 2026
Which electricity provider is the better choice? We compare Vattenfall and Oomi prices, services and customer experience.
Vattenfall
Swedish state-owned energy company
Pros
- • Competitive price
- • Green energy
- • Clear pricing
Cons
- • Swedish ownership
- • Less local presence
Oomi
Electricity retailer owned by Lahti Energia, Oulun Seudun Sähkö, Pori Energia, Vantaan Energia and Oulun Sähkönmyynti
Pros
- • Competitive price
- • Modern service
- • Good digital tools
Cons
- • Less well-known than the largest
- • Trading under its current name only since 2020
Electricity contracts
Prices updated 13 hours ago. Data updates automatically.
Vattenfall
Oomi
Täystuuli 24 kk
Energy price
10.48 cents/kWh
Contract type
Fixed price
Base fee
3,95 €/mo
Commitment
24 months
Oomi
Oomi Vakaa
Energy price
13.90 cents/kWh
Contract type
Fixed price
Base fee
4,96 €/mo
Commitment
Open-ended
Täysvesi 24 kk
Energy price
10.48 cents/kWh
Contract type
Fixed price
Base fee
3,95 €/mo
Commitment
24 months
Oomi Aktiivinen
Energy price
0.60 cents/kWh + spot
Contract type
Spot price
Base fee
4,96 €/mo
Monthly fee 0,00 €/month for the first 4 months
Commitment
Open-ended
Kesto
Energy price
13.96 cents/kWh
Contract type
Fixed price
Base fee
4,55 €/mo
Commitment
Open-ended
Oomi Jousto 12 kk
Energy price
10.19 cents/kWh
Contract type
Hybrid
Base fee
5,90 €/mo
Monthly fee 0,00 €/month for the first 4 months
Commitment
12 months
Optimi Pörssisähkö
Energy price
0.50 cents/kWh + spot
Contract type
Spot price
Base fee
5,95 €/mo
Monthly fee 0,00 €/month for the first 6 months
Commitment
Open-ended
Oomi Kiinteä 24 kk
Energy price
9.79 cents/kWh
Contract type
Fixed price
Base fee
5,90 €/mo
Commitment
24 months
Ilmasto Mix 12 kk
Energy price
11.50 cents/kWh
Contract type
Fixed price
Base fee
5,95 €/mo
Commitment
12 months
Oomi Jousto 24 kk
Energy price
8.99 cents/kWh
Contract type
Hybrid
Base fee
5,90 €/mo
Monthly fee 0,00 €/month for the first 4 months
Commitment
24 months
Ilmasto Mix 24 kk
Energy price
10.48 cents/kWh
Contract type
Fixed price
Base fee
5,95 €/mo
Monthly fee 0,00 €/month for the first 3 months
Commitment
24 months
Oomi Kiinteä 12 kk
Energy price
10.99 cents/kWh
Contract type
Fixed price
Base fee
5,90 €/mo
Commitment
12 months
Helppo Pörssisähkö
Energy price
0.00 cents/kWh + spot
Contract type
Spot price
Base fee
8,95 €/mo
Monthly fee 4,48 €/month for the first 3 months
Commitment
Open-ended
Ilmasto Vakio
Energy price
14.90 cents/kWh
Contract type
Fixed price
Base fee
16,90 €/mo
Commitment
Open-ended
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Frequently asked questions
Which is better, Vattenfall or Oomi?
The best choice depends on your needs. Vattenfall is known for competitive price. Oomi stands out for competitive price. In our comparison Vattenfall offers 8 and Oomi 6 electricity contracts.
What is Vattenfall's spot margin?
Vattenfall's spot margin is 0.50 cents/kWh. On top of the margin, there is a possible monthly fee of 5.95 €/mo.
What is Oomi's spot margin?
Oomi's spot margin is 0.60 cents/kWh. On top of the margin, there is a possible monthly fee of 4.96 €/mo.
Summary: Vattenfall vs Oomi
Both providers offer competitive electricity contracts to Finnish consumers. Vattenfall is swedish state-owned energy company, while Oomi is electricity retailer owned by lahti energia, oulun seudun sähkö, pori energia, vantaan energia and oulun sähkönmyynti.
Who is Vattenfall for?
Vattenfall especially suits consumers who value competitive price. The provider's strengths also include green energy. In our comparison Vattenfall offers 8 electricity contracts, the cheapest starting at 3.95 €/mo in base fee.
Who is Oomi for?
Oomi is a good choice if you're looking for competitive price. Also worth noting is modern service. In our comparison Oomi offers 6 electricity contracts, the cheapest starting at 4.96 €/mo in base fee.
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