Niba vs Energía XXI
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
Not enough tariff data available to calculate a typical monthly bill comparison.
Best Flat Rate
Niba is the only provider offering a true 24-hour flat rate (0.115 €/kWh).
Best Time-of-Use Rate
Niba is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Niba | Energía XXI |
|---|---|---|
| Price Competitiveness | 9 | 5 |
| Solar Suitability | 8 | 3 |
| EV Suitability | 7 | 3 |
| Simplicity | 9 | 2 |
| Customer Service | 8 | 4 |
| Transparency | 9 | 2 |
Full Head-to-Head Comparison
Niba
4.1 / 5 (150+ reviews)
Founded2025
Customers10,000+
Energy100% Renewable
Pros
- Soutenue par l'infrastructure et la stabilité du groupe Iberdrola
- Tarif fixe plat très compétitif ({rate})
- Sans engagement de durée
- Certificat d'électricité 100% verte
- Souscription et gestion 100% en ligne simples
Cons
- Support client orienté principalement vers le numérique
- Jeune marque avec moins d'ancienneté que les géants historiques
Available Tariffs
niba Solar
Est. Monthly Bill€69.88
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)0.115 €/kWh
Potencia (P1 / P2)0.089 / 0.089 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
niba Zen
Est. Monthly Bill€69.88
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)0.115 €/kWh
Potencia (P1 / P2)0.089 / 0.089 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
niba Tres
Est. Monthly Bill€71.71
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)
0.196 / 0.169 / 0.089
€/kWh
Potencia (P1 / P2)0.079 / 0.059 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
niba Flex
Est. Monthly Bill€73.43
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)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone
Energía XXI
1.2 / 5 (3,000+ reviews)
Founded2019
Customers3,000,000+
EnergyMixed (Regulated Market)
Pros
- Accès au Bono Social (réductions gouvernementales)
- Prix réglementés officiels (PVPC)
- Stabilité d'un grand groupe de services publics
Cons
- Faible transparence de facturation
- Prix unitaires cachés
- Pas de sécurité de prix fixe (prix horaires)
- Scores de satisfaction client bas
Available Tariffs
No active tariffs found.
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