Energía XXI vs Nordy
Live Comparison • July 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
Not enough tariff data available to calculate a typical monthly bill comparison.
Best Flat Rate
Nordy is the only provider offering a true 24-hour flat rate (0.11478 €/kWh).
Best Time-of-Use Rate
Nordy is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Energía XXI | Nordy |
|---|---|---|
| Price Competitiveness | 5 | 8 |
| Solar Suitability | 3 | 6 |
| EV Suitability | 3 | 6 |
| Simplicity | 2 | 9 |
| Customer Service | 4 | 8 |
| Transparency | 2 | 9 |
Full Head-to-Head Comparison
Energía XXI
1.2 / 5 (3,000+ reviews)
Founded2019
Customers3,000,000+
EnergyMixed (Regulated Market)
Pros
- Access to the Bono Social (government discounts)
- Official regulated prices (PVPC)
- Stability of a large utility group
Cons
- Poor billing transparency
- Hidden unit prices (clumped with tolls)
- No fixed-price security (prices change every hour)
- Low customer satisfaction scores
Available Tariffs
No active tariffs found.
Nordy
4.6 / 5 (500+ reviews)
Founded2022
Customers25,000+
Energy100% Renewable
Pros
- Very simple digital signup
- Transparent management fees
- 100% Green energy
- Excellent English support
Cons
- Relatively new company
- Smaller customer service team
- No physical offices
Available Tariffs
Tarifa Fija 3P V
Est. Monthly Bill€69.00
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.159 / 0.129 / 0.099
€/kWh
Potencia (P1 / P2)0.079 / 0.079 €/kW
Solar ExportN/A
Fixed FeeNone
Tarifa Estabilidad 24H
Est. Monthly Bill€72.58
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.11478 €/kWh
Potencia (P1 / P2)0.099 / 0.099 €/kW
Solar ExportN/A
Fixed FeeNone
Tarifa 24h V
Est. Monthly Bill€68.62
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.119 €/kWh
Potencia (P1 / P2)0.079 / 0.079 €/kW
Solar Export0.029 €/kWh
Fixed FeeNone
Tarifa Estabilidad 1P
Est. Monthly Bill€72.44
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (24h)0.129 €/kWh
Potencia (P1 / P2)0.079 / 0.079 €/kW
Solar ExportN/A
Fixed FeeNone
Tarifa Estabilidad 3P
Est. Monthly Bill€65.80
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.139 / 0.099 / 0.079
€/kWh
Potencia (P1 / P2)0.099 / 0.099 €/kW
Solar ExportN/A
Fixed FeeNone
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