Naturgy vs Plenitude

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), Plenitude is the cheaper option. Their Fácil Luz tariff results in an estimated monthly bill of 66.18 (including taxes). This compares to Naturgy's best option (Tarifa Noche) at €67.42 per month.

Naturgy Best Bill
67.42
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 Naturgy's 0.112 €/kWh.

Best Time-of-Use Rate

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

Scorecard Comparison

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

Full Head-to-Head Comparison

Naturgy

Naturgy

4.4 / 5 (2,700+ reviews)
Founded1843
Customers5,000,000+
EnergyMixed (Gas + Renewables)

Pros

  • Idéal pour le combiné Gaz + Lumière
  • Tarifs simples et transparents
  • Entreprise très stable
  • Service technique expérimenté

Cons

  • Moins agressif sur les prix de l'électricité seule
  • Outils numériques basiques comparés à Octopus
  • Grande structure d'entreprise

Available Tariffs

Tarifa Por Uso Luz

Est. Monthly Bill
69.65
Energy (24h)0.112 €/kWh
Potencia (P1 / P2)0.12303 / 0.061562 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Noche

Est. Monthly Bill
67.42
Energy (P1 / P2 / P3)
0.1822 / 0.1092 / 0.0739
€/kWh
Potencia (P1 / P2)0.12303 / 0.061562 €/kW
Solar ExportN/A
Fixed FeeNone
Plenitude

Plenitude

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

Pros

  • Énergie 100% certifiée renouvelable
  • Tarifs à prix fixe simples et stables
  • Solide assise financière via Eni
  • Sans engagement ni frais de sortie

Cons

  • Modèle de service client traditionnel
  • Prix pouvant être plus élevés que chez certains discounters
  • Accent mis sur les plans à tarif fixe

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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