Plenitude vs Octopus Energy
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 Octopus Energy's best option (Octopus Relax) at €66.41 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 Octopus Energy's 0.103 €/kWh.
Best Time-of-Use Rate
Octopus Energy is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Plenitude | Octopus Energy |
|---|---|---|
| Price Competitiveness | 8 | 8 |
| Solar Suitability | 7 | 10 |
| EV Suitability | 6 | 10 |
| Simplicity | 8 | 9 |
| Customer Service | 7 | 9 |
| 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
Octopus Energy
Pros
- Best choice for EV owners
- Excellent solar compensation
- Simple, no-BS billing
- Highly rated app
Cons
- Potencia rates are slightly higher than some peers
- Frequent but small rate adjustments
Available Tariffs
Octopus Solar
Octopus 3
Octopus Go
Octopus Flexi
Octopus Relax
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