Niba vs ACIS
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), Niba is the cheaper option. Their niba Solar tariff results in an estimated monthly bill of €69.88 (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
Niba is the only provider offering a true 24-hour flat rate (0.115 €/kWh).
Best Time-of-Use Rate
Niba has cheaper off-peak hours (0.089 €/kWh vs 0.135124 €/kWh).
Full Head-to-Head Comparison
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
ACIS
Available Tariffs
EQUAL - 2.0TD No renovable
SMART -2.0TD Renovable
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