Factor Energía 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), Octopus Energy is the cheaper option. Their Octopus Relax tariff results in an estimated monthly bill of €66.41 (including taxes). This compares to Factor Energía's best option (Tarifa Fija Precio Único) at €92.27 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
Octopus Energy wins here. Their flat rate is 0.103 €/kWh compared to Factor Energía's 0.1512 €/kWh.
Best Time-of-Use Rate
Octopus Energy has cheaper off-peak hours (0.079 €/kWh vs 0.168 €/kWh).
Scorecard Comparison
| Metric (1-10) | Factor Energía | Octopus Energy |
|---|---|---|
| Price Competitiveness | 7 | 8 |
| Solar Suitability | 8 | 10 |
| EV Suitability | 6 | 10 |
| Simplicity | 8 | 9 |
| Customer Service | 8 | 9 |
| Transparency | 8 | 9 |
Full Head-to-Head Comparison
Factor Energía
Pros
- First independent provider in Spain
- 100% Certified renewable energy
- Excellent mobile app for tracking usage
- Very transparent billing structure
Cons
- Customer service wait times during peak hours
- Fixed rates can be slightly higher than variable market rates
- Focus is primarily on the Spanish peninsula
Available Tariffs
Factor Tarifa Respira
Tarifa Fija Precio Único
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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