Eres Energía vs Niba
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), Eres Energía is the cheaper option. Their Eres Sobresaliente tariff results in an estimated monthly bill of €66.56 (including taxes). This compares to Niba's best option (niba Zen) at €73.49 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
Eres Energía wins here. Their flat rate is 0.099 €/kWh compared to Niba's 0.123 €/kWh.
Best Time-of-Use Rate
Eres Energía is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Eres Energía | Niba |
|---|---|---|
| Price Competitiveness | 7 | 9 |
| Solar Suitability | 5 | 8 |
| EV Suitability | 5 | 7 |
| Simplicity | 8 | 9 |
| Customer Service | 7 | 8 |
| Transparency | 8 | 9 |
Full Head-to-Head Comparison
Eres Energía
Pros
- Simple and transparent pricing
- No permanence commitment
- 100% renewable energy
Cons
- Limited physical presence
- Fewer tariff varieties than larger providers
Available Tariffs
Eres Tres
Eres Flexible
Eres Sobresaliente
Niba
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 Zen
niba Flex
niba Solar
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