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Naturgy vs Factor Energía

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 Factor Energía's best option (Tarifa Fija Precio Único) at €92.27 per month.

Naturgy Best Bill
67.42
Factor Energía Best Bill
92.27

* 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 Factor Energía's 0.1512 €/kWh.

Best Time-of-Use Rate

Naturgy has cheaper off-peak hours (0.0739 €/kWh vs 0.168 €/kWh).

Scorecard Comparison

Metric (1-10)NaturgyFactor Energía
Price Competitiveness
7
7
Solar Suitability
6
8
EV Suitability
5
6
Simplicity
7
8
Customer Service
5
8
Transparency
6
8

Full Head-to-Head Comparison

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
Factor Energía

Factor Energía

4 / 5 (4,000+ reviews)
Founded1999
Customers300,000+
Energy100% Renewable

Pros

  • First independent provider in Spain
  • 100% Certified renewable energy
  • Excellent mobile app for tracking usage
  • Very transparent billing structure

Cons

  • Customer service wait times during peak hours
  • Fixed rates can be slightly higher than variable market rates
  • Focus is primarily on the Spanish peninsula

Available Tariffs

Factor Tarifa Respira

Est. Monthly Bill
101.48
Energy (P1 / P2 / P3)
0.3077 / 0.243 / 0.168
€/kWh
Potencia (P1 / P2)0.0965 / 0.025 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Fija Precio Único

Est. Monthly Bill
92.27
Energy (24h)0.1512 €/kWh
Potencia (P1 / P2)0.1198 / 0.1198 €/kW
Solar ExportN/A
Fixed FeeNone

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