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Octopus Energy vs Energía XXI

Live Comparison • juli 2026

A detailed head-to-head comparison covering rates, typical bills, pros & cons, and features to help you decide which is better for your home.

Our Verdict

Overall Winner: Lowest Typical Bill

Not enough tariff data available to calculate a typical monthly bill comparison.

Best Flat Rate

Octopus Energy is the only provider offering a true 24-hour flat rate (0.103 €/kWh).

Best Time-of-Use Rate

Octopus Energy is the only provider offering a fixed 3-period time-of-use rate.

Scorecard Comparison

Metric (1-10)Octopus EnergyEnergía XXI
Price Competitiveness
8
5
Solar Suitability
10
3
EV Suitability
10
3
Simplicity
9
2
Customer Service
9
4
Transparency
9
2

Full Head-to-Head Comparison

Octopus Energy

Octopus Energy

4.8 / 5 (16,000+ reviews)
Founded2015
Customers500,000+
Energy100% Renewable

Pros

  • Beste valg for elbileiere
  • Utmerket solenergikompensasjon
  • Enkel og grei fakturering
  • Høyt rangert app

Cons

  • Potencia-priser er noe høyere enn hos enkelte konkurrenter
  • Hyppige, men små prisjusteringer

Available Tariffs

Octopus Solar

Est. Monthly Bill
74.31
Energy (P1 / P2 / P3)
0.209 / 0.118 / 0.093
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone

Octopus 3

Est. Monthly Bill
67.44
Energy (P1 / P2 / P3)
0.184 / 0.098 / 0.079
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Go

Est. Monthly Bill
87.03
Energy (P1 / P2 / P3)
0.248 / 0.248 / 0.104
€/kWh
Potencia (P1 / P2)0.11 / 0.024 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Flexi

Est. Monthly Bill
73.43
Energy (P1 / P2 / P3)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Relax

Est. Monthly Bill
66.41
Energy (24h)0.103 €/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.01 €/kWh
Fixed FeeNone
Energía XXI

Energía XXI

1.2 / 5 (3,000+ reviews)
Founded2019
Customers3,000,000+
EnergyMixed (Regulated Market)

Pros

  • Tilgang til Bono Social (rabatter for sårbare grupper)
  • Offisielle regulerte priser (PVPC)
  • Stabiliteten til et stort konsern

Cons

  • Dårlig gjennomsiktighet i fakturaer
  • Skjulte enhetspriser
  • Ingen fastpristrygghet (prisene endres hver time)
  • Lav kundetilfredshet på service

Available Tariffs

No active tariffs found.

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