ACIS 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 ACIS's best option (SMART -2.0TD Renovable) at €80.47 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 (0.103 €/kWh).
Best Time-of-Use Rate
Octopus Energy has cheaper off-peak hours (0.079 €/kWh vs 0.135124 €/kWh).
Full Head-to-Head Comparison
ACIS
Available Tariffs
EQUAL - 2.0TD No renovable
SMART -2.0TD Renovable
Octopus Energy
Pros
- Uitstekende zonnevergoeding
- Beste keuze voor EV-eigenaren
- Eenvoudige facturatie
- Hoog gewaardeerde app
- Engelstalige ondersteuning
Cons
- Potencia-tarieven zijn iets hoger dan bij sommige concurrenten
- Regelmatige maar kleine tariefaanpassingen
Available Tariffs
Octopus Solar
Octopus 3
Octopus Go
Octopus Flexi
Octopus Relax
Find the absolute best supplier for your home
Don't rely on typical profiles. Upload your real bill and our AI will calculate exactly which supplier is cheaper for your actual energy usage.
Analyze My Bill Now