Endesa vs Iberdrola

Live Comparison • octobre 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 3 Periodos tariff results in an estimated monthly bill of €75.49 (including taxes). This compares to Endesa's best option (Conecta Luz) at €82.77 per month.

Endesa Best Bill
€82.77
Iberdrola Best Bill
€75.49

* 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

Endesa wins here. Their flat rate is 0.144433 €/kWh compared to Iberdrola's 0.1499 €/kWh.

Best Time-of-Use Rate

Endesa has cheaper off-peak hours (0.1229 €/kWh vs 0.129 €/kWh).

Scorecard Comparison

Metric (1-10)EndesaIberdrola
Price Competitiveness
6
6
Solar Suitability
6
7
EV Suitability
6
7
Simplicity
5
5
Customer Service
4
5
Transparency
5
5

Full Head-to-Head Comparison

Endesa

Endesa

3.9 / 5 (12,000+ reviews)
Founded1944
Customers10,000,000+
EnergyMixed (Renewables + Nuclear + Gas)

Pros

  • Bureaux physiques dans toute l'Espagne
  • Entreprise très stable
  • Tarifs numériques compétitifs
  • Large gamme de services à domicile

Cons

  • Le service client peut être lent
  • Structure de facturation complexe
  • Pratiques de marketing agressives

Available Tariffs

One Luz

Est. Monthly Bill
€98.46
Energy (24h)0.185544 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone

Endesa Solar Plus Virtual Battery

Est. Monthly Bill
€92.91
Energy (24h)0.171957 €/kWh
Potencia (P1 / P2)0.093666 / 0.093666 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

One Luz 3 Periodos

Est. Monthly Bill
€84.95
Energy (P1 / P2 / P3)
0.2249 / 0.1489 / 0.1229
€/kWh
Potencia (P1 / P2)0.093665 / 0.093665 €/kW
Solar ExportN/A
Fixed FeeNone

Conecta Luz

Est. Monthly Bill
€82.77
Energy (24h)0.144433 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone
Iberdrola

Iberdrola

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

Pros

  • Investissement massif dans les renouvelables
  • Application mobile de premier plan
  • Forte présence physique
  • Excellente fiabilité

Cons

  • Les plans standards peuvent être coûteux
  • Erreurs de facturation occasionnelles signalées
  • Structure d'entreprise imposante

Available Tariffs

Plan Más Ahorro

Est. Monthly Bill
€104.76
Energy (24h)0.1999 €/kWh
Potencia (P1 / P2)0.109562 / 0.086274 €/kW
Solar Export0.05 €/kWh
Fixed FeeNone

Plan Online

Est. Monthly Bill
€85.87
Energy (24h)0.1499 €/kWh
Potencia (P1 / P2)0.119151 / 0.078055 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Estable

Est. Monthly Bill
€99.98
Energy (24h)0.187375 €/kWh
Potencia (P1 / P2)0.109562 / 0.086274 €/kW
Solar ExportN/A
Fixed FeeNone

Plan Online 3 Periodos

Est. Monthly Bill
€75.49
Energy (P1 / P2 / P3)
0.217 / 0.162 / 0.129
€/kWh
Potencia (P1 / P2)0.091074 / 0.013483 €/kW
Solar ExportN/A
Fixed FeeNone

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