Naturgy vs Iberdrola
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 Iberdrola's best option (Plan Online) at €71.75 per month.
* 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 Iberdrola's 0.1199 €/kWh.
Best Time-of-Use Rate
Naturgy has cheaper off-peak hours (0.0739 €/kWh vs 0.09999 €/kWh).
Scorecard Comparison
| Metric (1-10) | Naturgy | Iberdrola |
|---|---|---|
| Price Competitiveness | 7 | 6 |
| Solar Suitability | 6 | 7 |
| EV Suitability | 5 | 7 |
| Simplicity | 7 | 5 |
| Customer Service | 5 | 5 |
| Transparency | 6 | 5 |
Full Head-to-Head Comparison
Naturgy
Pros
- Best for combined Gas & Light
- Simple, transparent tariffs
- Very stable company
- Experienced technical service
Cons
- Less aggressive on pure electricity pricing
- Digital tools are basic compared to Octopus
- Large corporate feel
Available Tariffs
Tarifa Por Uso Luz
Tarifa Noche
Iberdrola
Pros
- Massive investment in renewables
- Top-tier mobile app
- Strong physical presence
- Excellent reliability
Cons
- Standard plans can be expensive
- Occasional billing errors reported
- Large corporate structure
Available Tariffs
Plan Más Ahorro
Plan Planazo
Plan Online
Plan Estable
Plan Online 3 Periodos
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