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Imagina Energía vs Naturgy

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), Naturgy is the cheaper option. Their Tarifa Noche tariff results in an estimated monthly bill of 67.42 (including taxes). This compares to Imagina Energía's best option (Sin Horas) at €67.92 per month.

Imagina Energía Best Bill
67.92
Naturgy Best Bill
67.42

* 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

Naturgy wins here. Their flat rate is 0.112 €/kWh compared to Imagina Energía's 0.119 €/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)Imagina EnergíaNaturgy
Price Competitiveness
8
7
Solar Suitability
9
6
EV Suitability
6
5
Simplicity
8
7
Customer Service
9
5
Transparency
9
6

Full Head-to-Head Comparison

Imagina Energía

Imagina Energía

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

Pros

  • 100% Gecertificeerde zonne-energie
  • 3-jarige prijsgarantie
  • Uitstekende persoonlijke klantenondersteuning
  • Sterke functies voor eigen zonne-verbruik

Cons

  • Focus ligt primair op vaste tarieven
  • Nieuwer merk vergeleken met de 'Grote Drie'
  • Online-eerst beheermodel

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
Naturgy

Naturgy

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

Pros

  • Beste voor gecombineerd Gas + Licht
  • Eenvoudige, transparante tarieven
  • Zeer stabiel bedrijf
  • Ervaren technische dienst

Cons

  • Minder agressief op alleen-elektriciteitsprijzen
  • Digitale tools zijn basaal vergeleken met Octopus
  • Groot zakelijk gevoel

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

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