Iberdrola vs Endesa

Live Comparison • juillet 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), Endesa is the cheaper option. Their Endesa Premium ATR tariff results in an estimated monthly bill of 63.93 (including taxes). This compares to Iberdrola's best option (Plan Online) at €71.75 per month.

Iberdrola Best Bill
71.75
Endesa Best Bill
63.93

* 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 0.095999 €/kWh compared to Iberdrola's 0.1199 €/kWh.

Best Time-of-Use Rate

Endesa has cheaper off-peak hours (0.09441 €/kWh vs 0.09999 €/kWh).

Scorecard Comparison

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

Full Head-to-Head Comparison

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
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
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
76.59
Energy (24h)0.128235 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone

Endesa Premium ATR

Est. Monthly Bill
63.93
Energy (24h)0.095999 €/kWh
Potencia (P1 / P2)0.093666 / 0.093666 €/kW
Solar ExportN/A
Fixed FeeNone

Endesa Solar Plus Virtual Battery

Est. Monthly Bill
83.12
Energy (24h)0.148828 €/kWh
Potencia (P1 / P2)0.090214 / 0.090214 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

Endesa ATR Fija 24

Est. Monthly Bill
74.39
Energy (24h)0.123426 €/kWh
Potencia (P1 / P2)0.093666 / 0.093666 €/kW
Solar ExportN/A
Fixed FeeNone

One Luz 3 Periodos

Est. Monthly Bill
73.01
Energy (P1 / P2 / P3)
0.18621 / 0.11781 / 0.09441
€/kWh
Potencia (P1 / P2)0.093665 / 0.093665 €/kW
Solar ExportN/A
Fixed FeeNone

Conecta Luz

Est. Monthly Bill
69.25
Energy (24h)0.109 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone

Endesa ATR Fija Premium

Est. Monthly Bill
67.05
Energy (24h)0.104191 €/kWh
Potencia (P1 / P2)0.093666 / 0.093666 €/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