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Octopus Energy vs Energías del Mediterráneo

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

For a typical Spanish household (3.6kW Potencia, 300kWh monthly usage), Octopus Energy is the cheaper option. Their Octopus Relax tariff results in an estimated monthly bill of 66.41 (including taxes). This compares to Energías del Mediterráneo's best option (Tarifa Fija Tranquilidad) at €74.86 per month.

Octopus Energy Best Bill
66.41
Energías del Mediterráneo Best Bill
74.86

* Assumption: 3.6 kW contracted power, 300 kWh monthly usage (20% peak, 30% flat, 50% off-peak), including 21% IVA, 5.11% Electricity Tax, and ~€1 meter rental.

Best Flat Rate

Octopus Energy wins here. Their flat rate is 0.103 €/kWh compared to Energías del Mediterráneo's 0.117 €/kWh.

Best Time-of-Use Rate

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

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
Energías del Mediterráneo

Energías del Mediterráneo

Available Tariffs

Tarifa Fija Tranquilidad

Est. Monthly Bill
74.86
Energy (24h)0.117 €/kWh
Potencia (P1 / P2)0.156193 / 0.052078 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Maxima

Est. Monthly Bill
79.44
Energy (24h)0.129 €/kWh
Potencia (P1 / P2)0.156193 / 0.052078 €/kW
Solar ExportN/A
Fixed FeeNone

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