Imagina Energía vs Repsol
Live Comparison • July 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), Imagina Energía is the cheaper option. Their Sin Horas tariff results in an estimated monthly bill of €66.28 (including taxes). This compares to Repsol's best option (Precio Fijo BL1) at €69.78 per month.
Imagina Energía Best Bill
€66.28
Repsol Best Bill
€69.78
* 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
Imagina Energía wins here. Their flat rate is 0.099 €/kWh compared to Repsol's 0.1199 €/kWh.
Best Time-of-Use Rate
Repsol is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Imagina Energía | Repsol |
|---|---|---|
| Price Competitiveness | 8 | 7 |
| Solar Suitability | 9 | 6 |
| EV Suitability | 6 | 6 |
| Simplicity | 8 | 6 |
| Customer Service | 9 | 5 |
| Transparency | 9 | 6 |
Full Head-to-Head Comparison
Imagina Energía
4.8 / 5 (700+ reviews)
Founded2020
Customers50,000+
Energy100% Solar Energy
Pros
- 100% Certified solar energy
- 3-year fixed price guarantee
- Excellent personalized customer support
- Strong solar self-consumption features
Cons
- Focus is primarily on fixed-rate plans
- Newer brand compared to the 'Big Three'
- Online-first management model
Available Tariffs
Sin Horas
Est. Monthly Bill€66.28
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.098 / 0.098 €/kW
Solar Export0.04 €/kWh
Fixed FeeNone
Repsol
3.5 / 5 (4,500+ reviews)
Founded1987
Customers1,500,000+
EnergyMixed (Oil & Gas Heritage)
Pros
- Excellent fuel discounts via Waylet
- Stable fixed prices
- Convenient multi-service bundling
- Strong brand trust
Cons
- Energy rates alone aren't always the cheapest
- App focused heavily on fuel stations
- Recent service complaints
Available Tariffs
Repsol Tarifa Solar Bateria Virtaul
Est. Monthly Bill€75.88
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1299 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
Tarifa Solar Con Bateria Virtual
Est. Monthly Bill€75.88
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
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
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
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
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
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 Luz M+
Est. Monthly Bill€73.59
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1299 €/kWh
Potencia (P1 / P2)0.0819 / 0.0819 €/kW
Solar ExportN/A
Fixed FeeNone
Repsol Ahorro Plus
Est. Monthly Bill€72.07
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.090137 / 0.090137 €/kW
Solar ExportN/A
Fixed FeeNone
Precio Fijo BL1
Est. Monthly Bill€69.78
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.081918 / 0.081918 €/kW
Solar ExportN/A
Fixed FeeNone
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