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Plenitude vs Eres Energía

Live Comparison • september 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), Eres Energía is the cheaper option. Their Eres Sobresaliente tariff results in an estimated monthly bill of 66.56 (including taxes). This compares to Plenitude's best option (Plenitude Fácil Plus Luz (≤ 5 kW)) at €70.23 per month.

Plenitude Best Bill
70.23
Eres Energía Best Bill
66.56

* 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

Eres Energía wins here. Their flat rate is 0.099 €/kWh compared to Plenitude's 0.107914 €/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)PlenitudeEres Energía
Price Competitiveness
8
7
Solar Suitability
7
5
EV Suitability
6
5
Simplicity
8
8
Customer Service
7
7
Transparency
8
8

Full Head-to-Head Comparison

Plenitude

Plenitude

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

Pros

  • 100% certifierad grön energi
  • Enkla och stabila fastpristariffer
  • Stark finansiell ryggrad via Eni
  • Utan bindningstid eller exitavgifter

Cons

  • Traditionell kundservicemodell
  • Priserna kan vara högre än hos lågprisaktörer
  • Fokus ligger tungt på fastpris

Available Tariffs

Plenitude Fácil Plus Luz (≤ 5 kW)

Est. Monthly Bill
70.23
Energy (24h)0.107914 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone

Plenitude Fácil Plus Luz (> 5 kW)

Est. Monthly Bill
75.01
Energy (24h)0.120419 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone
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 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
90.15
Energy (P1 / P2 / P3)
0.246 / 0.179 / 0.186
€/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

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