Energías del Mediterráneo vs Octopus Energy
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.
* 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

Energías del Mediterráneo
Available Tariffs
Tarifa Fija Tranquilidad
Tarifa Maxima
Octopus Energy
Pros
- Best choice for EV owners
- Excellent solar compensation
- Simple, no-BS billing
- Highly rated app
Cons
- Potencia rates are slightly higher than some peers
- Frequent but small rate adjustments
Available Tariffs
Octopus Solar
Octopus 3
Octopus Go
Octopus Flexi
Octopus Relax
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