Plenitude 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), Plenitude is the cheaper option. Their Fácil Luz tariff results in an estimated monthly bill of €66.18 (including taxes). This compares to Niba's best option (niba Solar) at €69.88 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
Plenitude wins here. Their flat rate is 0.097296 €/kWh compared to Niba's 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) | Plenitude | Niba |
|---|---|---|
| Price Competitiveness | 8 | 9 |
| Solar Suitability | 7 | 8 |
| EV Suitability | 6 | 7 |
| Simplicity | 8 | 9 |
| Customer Service | 7 | 8 |
| Transparency | 8 | 9 |
Full Head-to-Head Comparison
Plenitude
Pros
- 100% Certified renewable energy
- Simple, stable fixed-price tariffs
- Strong financial backing from Eni
- No permanence or exit fees
Cons
- Traditional customer service model
- Prices can be higher than niche discounters
- Focus is heavily on fixed-rate plans
Available Tariffs
Fácil Luz
Niba
Pros
- Backed by the infrastructure and stability of Iberdrola
- Extremely competitive flat fixed rate ({rate})
- No permanent contract commitments
- 100% green energy certificates
- Easy digital sign-up and management
Cons
- Customer service is primarily digital-focused
- Limited history compared to century-old traditional giants
Available Tariffs
niba Solar
niba Zen
niba Tres
niba Flex
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