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Repsol vs Octopus Energy

Live Comparison • september 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), Repsol is the cheaper option. Their Repsol Tarifa Discriminación Horaria tariff results in an estimated monthly bill of €70.73 (including taxes). This compares to Octopus Energy's best option (Octopus 3) at €76.33 per month.

Repsol Best Bill
€70.73
Octopus Energy Best Bill
€76.33

* 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

Repsol wins here. Their flat rate is 0.1199 €/kWh compared to Octopus Energy's 0.133 €/kWh.

Best Time-of-Use Rate

Repsol has cheaper off-peak hours (0.0969 €/kWh vs 0.104 €/kWh).

Scorecard Comparison

Metric (1-10)RepsolOctopus Energy
Price Competitiveness
7
8
Solar Suitability
6
10
EV Suitability
6
10
Simplicity
6
9
Customer Service
5
9
Transparency
6
9

Full Head-to-Head Comparison

Repsol

Repsol

3.5 / 5 (4,500+ reviews)
Founded1987
Customers1,500,000+
EnergyMixed (Oil & Gas Heritage)

Pros

  • Utmerkede drivstoffrabatter via Waylet
  • Stabile fastpriser
  • Praktisk samling av tjenester
  • Høy tillit til merkevaren

Cons

  • Strømprisen alene er ikke alltid den billigste
  • Appen er veldig fokusert på bensinstasjoner
  • Noen nylige serviceklager

Available Tariffs

Tarifa Solar Con Bateria Virtual

Est. Monthly Bill
€75.88
Energy (24h)0.1299 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

Repsol Tarifa Tranquilísima Fixed 5yr

Est. Monthly Bill
€77.41
Energy (24h)0.1399 €/kWh
Potencia (P1 / P2)0.081918 / 0.081918 €/kW
Solar ExportN/A
Fixed FeeNone

Repsol Tarifa Discriminación Horaria

Est. Monthly Bill
€70.73
Energy (P1 / P2 / P3)
0.1659 / 0.1159 / 0.0969
€/kWh
Potencia (P1 / P2)0.120274 / 0.06 €/kW
Solar ExportN/A
Fixed FeeNone

Repsol Ahorro Plus

Est. Monthly Bill
€72.07
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar ExportN/A
Fixed FeeNone
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
€85.49
Energy (P1 / P2 / P3)
0.243 / 0.148 / 0.12
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone

Octopus 3

Est. Monthly Bill
€76.33
Energy (P1 / P2 / P3)
0.174 / 0.124 / 0.114
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Go

Est. Monthly Bill
€100.82
Energy (P1 / P2 / P3)
0.294 / 0.294 / 0.104
€/kWh
Potencia (P1 / P2)0.11 / 0.06 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Flexi

Est. Monthly Bill
€86.82
Energy (P1 / P2 / P3)
0.246 / 0.179 / 0.186
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone

Octopus Relax

Est. Monthly Bill
€77.86
Energy (24h)0.133 €/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.01 €/kWh
Fixed FeeNone

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