Octopus Energy vs Repsol
Live Comparison • octubre 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 Ahorro Plus tariff results in an estimated monthly bill of €77.79 (including taxes). This compares to Octopus Energy's best option (Octopus Relax) at €85.00 per month.
Octopus Energy Best Bill
€85.00
Repsol Best Bill
€77.79
* 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 is the only provider offering a true 24-hour flat rate (0.1349 €/kWh).
Best Time-of-Use Rate
Repsol has cheaper off-peak hours (0.1169 €/kWh vs 0.119 €/kWh).
Scorecard Comparison
| Metric (1-10) | Octopus Energy | Repsol |
|---|---|---|
| Price Competitiveness | 8 | 7 |
| Solar Suitability | 10 | 6 |
| EV Suitability | 10 | 6 |
| Simplicity | 9 | 6 |
| Customer Service | 9 | 5 |
| Transparency | 9 | 6 |
Full Head-to-Head Comparison
Octopus Energy
4.8 / 5 (16,000+ reviews)
Founded2015
Customers500,000+
Energy100% Renewable
Pros
- La mejor opción para propietarios de VE
- Excelente compensación solar
- Facturación clara y sin rodeos
- App muy bien valorada
- Atención al cliente de calidad
Cons
- Los precios de potencia son algo más altos que algunos competidores
- Ajustes de tarifas frecuentes pero pequeños
Available Tariffs
Octopus Solar
Est. Monthly Bill€98.81
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.233 / 0.177 / 0.137
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone
Octopus 3
Est. Monthly Bill€88.70
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.185 / 0.134 / 0.129
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar ExportN/A
Fixed FeeNone
Octopus Go
Est. Monthly Bill€129.34
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.392 / 0.392 / 0.119
€/kWh
Potencia (P1 / P2)0.12 / 0.1 €/kW
Solar ExportN/A
Fixed FeeNone
Octopus Flexi
Est. Monthly Bill€105.25
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.317 / 0.236 / 0.22
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone
Octopus Relax
Est. Monthly Bill€85.00
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.144 / 0.129 / 0.129
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar Export0.01 €/kWh
Fixed FeeNone
Repsol
3.5 / 5 (4,500+ reviews)
Founded1987
Customers1,500,000+
EnergyMixed (Oil & Gas Heritage)
Pros
- Excelentes descuentos en combustible vía Waylet
- Precios fijos estables
- Conveniente paquete multi-servicio
- Marca de gran confianza
Cons
- Las tarifas de luz por sí solas no siempre son las más baratas
- App enfocada mucho en gasolineras
- Quejas recientes sobre el servicio
Available Tariffs
Tarifa Solar Con Bateria Virtual
Est. Monthly Bill€79.70
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1399 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
Repsol Tarifa Tranquilísima Fixed 5yr
Est. Monthly Bill€85.04
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1599 €/kWh
Potencia (P1 / P2)0.081918 / 0.081918 €/kW
Solar ExportN/A
Fixed FeeNone
Repsol Tarifa Discriminación Horaria
Est. Monthly Bill€78.36
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.1859 / 0.1359 / 0.1169
€/kWh
Potencia (P1 / P2)0.120274 / 0.06 €/kW
Solar ExportN/A
Fixed FeeNone
Repsol Ahorro Plus
Est. Monthly Bill€77.79
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1349 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar ExportN/A
Fixed FeeNone
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