weSwitchSpain Logo
weSwitchSpain

Naturgy vs Alcanzia

Live Comparison • julio 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 Alcanzia's best option (Alcanzia Tarifa Fija) at €70.12 per month.

Naturgy Best Bill
€67.42
Alcanzia Best Bill
€70.12

* 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 Alcanzia's 0.117208 €/kWh.

Best Time-of-Use Rate

Naturgy has cheaper off-peak hours (0.0739 €/kWh vs 0.077133 €/kWh).

Scorecard Comparison

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

Full Head-to-Head Comparison

Naturgy

Naturgy

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

Pros

  • Ideal para combinar Gas y Luz
  • Tarifas sencillas y transparentes
  • Empresa muy estable
  • Servicio técnico experimentado

Cons

  • Menos agresivos en precios de solo electricidad
  • Herramientas digitales básicas frente a Octopus
  • Sensación de gran corporación

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
Alcanzia

Alcanzia

4.1 / 5 (500+ reviews)
Founded2013
Customers50,000+
Energy100% Renewable

Pros

  • Energía verde 100% certificada
  • Opción de tarifas fijas planas o con discriminación horaria
  • Sin compromiso de permanencia (habitualmente)
  • Sólida oferta de batería virtual solar

Cons

  • Precios de potencia ligeramente superiores a algunas marcas de descuento
  • Enfoque principalmente en la interacción digital
  • Menos conocida que los grandes actores nacionales

Available Tariffs

Tarifa Fija (3 Tramos)

Est. Monthly Bill
€70.48
Energy (P1 / P2 / P3)
0.195564 / 0.116084 / 0.078378
€/kWh
Potencia (P1 / P2)0.101949 / 0.08553 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Única

Est. Monthly Bill
€75.06
Energy (24h)0.12512 €/kWh
Potencia (P1 / P2)0.101949 / 0.08553 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Doméstica

Est. Monthly Bill
€71.04
Energy (24h)0.118103 €/kWh
Potencia (P1 / P2)0.08893 / 0.08893 €/kW
Solar ExportN/A
Fixed FeeNone

Alcanzia Tarifa Doméstica (hasta 5.000 kWh)

Est. Monthly Bill
€70.70
Energy (24h)0.117208 €/kWh
Potencia (P1 / P2)0.08893 / 0.08893 €/kW
Solar ExportN/A
Fixed FeeNone

Alcanzia Tarifa Fija

Est. Monthly Bill
€70.12
Energy (P1 / P2 / P3)
0.195109 / 0.115278 / 0.077133
€/kWh
Potencia (P1 / P2)0.101949 / 0.08553 €/kW
Solar ExportN/A
Fixed FeeNone

Alcanzia Tarifa Única

Est. Monthly Bill
€74.71
Energy (24h)0.124203 €/kWh
Potencia (P1 / P2)0.101949 / 0.08553 €/kW
Solar ExportN/A
Fixed FeeNone

Alcanzia Tarifa Doméstica (más de 5.000 kWh)

Est. Monthly Bill
€76.08
Energy (24h)0.131308 €/kWh
Potencia (P1 / P2)0.08893 / 0.08893 €/kW
Solar ExportN/A
Fixed FeeNone

Find the absolute best supplier for your home

Don't rely on typical profiles. Upload your real bill and our AI will calculate exactly which supplier is cheaper for your actual energy usage.

Analyze My Bill Now