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Repsol vs Naturgy

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), Naturgy is the cheaper option. Their Tarifa Noche tariff results in an estimated monthly bill of 67.42 (including taxes). This compares to Repsol's best option (Precio Fijo BL1) at €69.78 per month.

Repsol Best Bill
69.78
Naturgy Best Bill
67.42

* 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

Naturgy wins here. Their flat rate is 0.112 €/kWh compared to Repsol's 0.1199 €/kWh.

Best Time-of-Use Rate

Naturgy has cheaper off-peak hours (0.0739 €/kWh vs 0.0969 €/kWh).

Scorecard Comparison

Metric (1-10)RepsolNaturgy
Price Competitiveness
7
7
Solar Suitability
6
6
EV Suitability
6
5
Simplicity
6
7
Customer Service
5
5
Transparency
6
6

Full Head-to-Head Comparison

Repsol

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
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
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 Luz M+

Est. Monthly Bill
73.59
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
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
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.081918 / 0.081918 €/kW
Solar ExportN/A
Fixed FeeNone
Naturgy

Naturgy

4.4 / 5 (2,700+ reviews)
Founded1843
Customers5,000,000+
EnergyMixed (Gas + Renewables)

Pros

  • Best for combined Gas & Light
  • Simple, transparent tariffs
  • Very stable company
  • Experienced technical service

Cons

  • Less aggressive on pure electricity pricing
  • Digital tools are basic compared to Octopus
  • Large corporate feel

Available Tariffs

Tarifa Por Uso Luz

Est. Monthly Bill
69.65
Energy (24h)0.112 €/kWh
Potencia (P1 / P2)0.12303 / 0.061562 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Noche

Est. Monthly Bill
67.42
Energy (P1 / P2 / P3)
0.1822 / 0.1092 / 0.0739
€/kWh
Potencia (P1 / P2)0.12303 / 0.061562 €/kW
Solar ExportN/A
Fixed FeeNone

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