Octopus Energy vs Alcanzia
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), Alcanzia is the cheaper option. Their Alcanzia Tarifa Fija tariff results in an estimated monthly bill of €72.73 (including taxes). This compares to Octopus Energy's best option (Octopus 3) at €76.33 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 is the only provider offering a true 24-hour flat rate (0.133 €/kWh).
Best Time-of-Use Rate
Alcanzia has cheaper off-peak hours (0.083217 €/kWh vs 0.104 €/kWh).
Scorecard Comparison
| Metric (1-10) | Octopus Energy | Alcanzia |
|---|---|---|
| Price Competitiveness | 8 | 8 |
| Solar Suitability | 10 | 8 |
| EV Suitability | 10 | 7 |
| Simplicity | 9 | 9 |
| Customer Service | 9 | 7 |
| Transparency | 9 | 8 |
Full Head-to-Head Comparison
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
Alcanzia
Pros
- 100% Certified green energy
- Choice of flat or time-of-use fixed rates
- No permanent stay required (usually)
- Strong solar virtual battery offering
Cons
- Slightly higher power prices than some discount brands
- Focused primarily on digital interaction
- Less known than the major national players
Available Tariffs
Alcanzia Tarifa Fija
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