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Iberdrola vs Factor Energía

Live Comparison • juli 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), Iberdrola is the cheaper option. Their Plan Online tariff results in an estimated monthly bill of 71.75 (including taxes). This compares to Factor Energía's best option (Tarifa Fija Precio Único) at €92.27 per month.

Iberdrola Best Bill
71.75
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

Iberdrola wins here. Their flat rate is 0.1199 €/kWh compared to Factor Energía's 0.1512 €/kWh.

Best Time-of-Use Rate

Iberdrola has cheaper off-peak hours (0.09999 €/kWh vs 0.168 €/kWh).

Scorecard Comparison

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

Full Head-to-Head Comparison

Iberdrola

Iberdrola

4.2 / 5 (14,000+ reviews)
Founded1992
Customers11,000,000+
EnergyMixed (Major Renewables Focus)

Pros

  • Enorme investeringen in duurzaamheid
  • Top-tier mobiele app
  • Sterke fysieke aanwezigheid
  • Uitstekende betrouwbaarheid

Cons

  • Standaardplannen kunnen duur zijn
  • Af en toe facturatiefouten gemeld
  • Grote bedrijfsstructuur

Available Tariffs

Plan Más Ahorro

Est. Monthly Bill
82.45
Energy (24h)0.1711 €/kWh
Potencia (P1 / P2)0.1042 / 0.0104 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Planazo

Est. Monthly Bill
89.63
Energy (24h)0.1899 €/kWh
Potencia (P1 / P2)0.1042 / 0.0104 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Online

Est. Monthly Bill
71.75
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.119151 / 0.058877 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Estable

Est. Monthly Bill
83.55
Energy (24h)0.143331 €/kWh
Potencia (P1 / P2)0.116411 / 0.082164 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Online 3 Periodos

Est. Monthly Bill
75.45
Energy (P1 / P2 / P3)
0.194 / 0.136 / 0.09999
€/kWh
Potencia (P1 / P2)0.119151 / 0.058877 €/kW
Solar ExportN/A
Fixed FeeNone
Factor Energía

Factor Energía

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

Pros

  • Eerste onafhankelijke leverancier in Spanje
  • 100% Gecertificeerde groene energie
  • Uitstekende app voor verbruikstracking
  • Zeer transparante facturatiestructuur

Cons

  • Wachttijden bij klantenservice tijdens pieken
  • Vaste tarieven kunnen iets hoger zijn dan markt-tarieven
  • Focus ligt primair op het Spaanse vasteland

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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