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Plenitude vs Imagina 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), Imagina Energía is the cheaper option. Their Sin Horas tariff results in an estimated monthly bill of 67.92 (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
Imagina Energía Best Bill
67.92

* 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 0.107914 €/kWh compared to Imagina Energía's 0.119 €/kWh.

Best Time-of-Use Rate

Neither provider currently offers a fixed time-of-use rate.

Scorecard Comparison

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

Full Head-to-Head Comparison

Plenitude

Plenitude

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

Pros

  • 100% Certified renewable energy
  • Simple, stable fixed-price tariffs
  • Strong financial backing from Eni
  • No permanence or exit fees

Cons

  • Traditional customer service model
  • Prices can be higher than niche discounters
  • Focus is heavily on fixed-rate plans

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
Imagina Energía

Imagina Energía

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

Pros

  • 100% Certified solar energy
  • 3-year fixed price guarantee
  • Excellent personalized customer support
  • Strong solar self-consumption features

Cons

  • Focus is primarily on fixed-rate plans
  • Newer brand compared to the 'Big Three'
  • Online-first management model

Available Tariffs

Sin Horas

Est. Monthly Bill
67.92
Energy (24h)0.119 €/kWh
Potencia (P1 / P2)0.105 / 0.048 €/kW
Solar Export0.04 €/kWh
Fixed FeeNone

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