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Factor Energía vs Iberdrola

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.

Factor Energía Best Bill
92.27
Iberdrola Best Bill
71.75

* 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)Factor EnergíaIberdrola
Price Competitiveness
7
6
Solar Suitability
8
7
EV Suitability
6
7
Simplicity
8
5
Customer Service
8
5
Transparency
8
5

Full Head-to-Head Comparison

Factor Energía

Factor Energía

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

Pros

  • Første uavhengige leverandør i Spania
  • 100 % sertifisert grønn energi
  • Utmerket app for sporing av forbruk
  • Svært gjennomsiktig faktureringsstruktur

Cons

  • Ventetid på kundeservice i perioder
  • Fastprisene kan være noe høyere enn markedsprisen
  • Fokus er primært på fastlands-Spania

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
Iberdrola

Iberdrola

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

Pros

  • Massive investeringer i fornybart
  • Mobilapp i toppklasse
  • Sterk fysisk tilstedeværelse
  • Svært pålitelig

Cons

  • Standardplaner kan være dyre
  • Noen meldinger om faktureringsfeil
  • Stor bedriftsstruktur

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

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