Iberdrola vs Imagina Energía

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), Imagina Energía is the cheaper option. Their Sin Horas tariff results in an estimated monthly bill of 66.28 (including taxes). This compares to Iberdrola's best option (Plan Online) at €71.75 per month.

Iberdrola Best Bill
71.75
Imagina Energía Best Bill
66.28

* 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

Imagina Energía wins here. Their flat rate is 0.099 €/kWh compared to Iberdrola's 0.1199 €/kWh.

Best Time-of-Use Rate

Iberdrola is the only provider offering a fixed 3-period time-of-use rate.

Scorecard Comparison

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

Full Head-to-Head Comparison

Iberdrola

Iberdrola

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

Pros

  • Inversión masiva en renovables
  • App móvil de primer nivel
  • Fuerte presencia física
  • Excelente fiabilidad

Cons

  • Los planes estándar pueden ser caros
  • Errores ocasionales en facturación
  • Gran estructura corporativa

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
Imagina Energía

Imagina Energía

4.8 / 5 (700+ reviews)
Founded2020
Customers50,000+
Energy100% Solar Energy

Pros

  • Energía 100% solar certificada
  • Precio fijo garantizado por 3 años
  • Excelente atención al cliente personalizada
  • Fuertes funciones para autoconsumo solar

Cons

  • Enfoque principal en planes de precio fijo
  • Marca más joven que las 'Tres Grandes'
  • Gestión principalmente digital

Available Tariffs

Sin Horas

Est. Monthly Bill
66.28
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.098 / 0.098 €/kW
Solar Export0.04 €/kWh
Fixed FeeNone

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