Eres Energía vs Plenitude

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), Plenitude is the cheaper option. Their Fácil Luz tariff results in an estimated monthly bill of 66.18 (including taxes). This compares to Eres Energía's best option (Eres Sobresaliente) at €66.56 per month.

Eres Energía Best Bill
66.56
Plenitude Best Bill
66.18

* 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

Plenitude wins here. Their flat rate is 0.097296 €/kWh compared to Eres Energía's 0.099 €/kWh.

Best Time-of-Use Rate

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

Scorecard Comparison

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

Full Head-to-Head Comparison

Eres Energía

Eres Energía

4.2 / 5 (300+ reviews)
Founded2018
Customers40,000+
Energy100% Renewable

Pros

  • Simple and transparent pricing
  • No permanence commitment
  • 100% renewable energy

Cons

  • Limited physical presence
  • Fewer tariff varieties than larger providers

Available Tariffs

Eres Solar Flexible

Est. Monthly Bill
93.07
Energy (P1 / P2 / P3)
0.1981 / 0.1253 / 0.0939
€/kWh
Potencia (P1 / P2)0.1597 / 0.1597 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Tres

Est. Monthly Bill
69.80
Energy (P1 / P2 / P3)
0.1995 / 0.1379 / 0.0986
€/kWh
Potencia (P1 / P2)0.0969 / 0.0379 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Flexible

Est. Monthly Bill
76.76
Energy (P1 / P2 / P3)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.0819 / 0.02 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Sobresaliente

Est. Monthly Bill
66.56
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.099 / 0.099 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Solar Tres

Est. Monthly Bill
117.16
Energy (P1 / P2 / P3)
0.2095 / 0.1379 / 0.1088
€/kWh
Potencia (P1 / P2)0.2277 / 0.2277 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Solar 24

Est. Monthly Bill
98.78
Energy (24h)0.1449 €/kWh
Potencia (P1 / P2)0.1518 / 0.1518 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone
Plenitude

Plenitude

4.6 / 5 (2,500+ reviews)
Founded2021
Customers300,000+
Energy100% Renewable

Pros

  • Energía 100% renovable certificada
  • Tarifas de precio fijo sencillas y estables
  • Respaldo financiero del grupo Eni
  • Sin permanencia ni penalizaciones

Cons

  • Modelo de atención al cliente tradicional
  • Precios que pueden ser superiores a discounters de nicho
  • Enfoque principal en planes de tarifa fija

Available Tariffs

Fácil Luz

Est. Monthly Bill
66.18
Energy (24h)0.097296 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone

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