Niba Review
Niba is a modern, digital-first Spanish energy provider focused on simplicity, 100% green power, and highly competitive rates.
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4.1/5
150+ reviews
2025
Madrid, Spain
100% Renewable
10,000+
Supplier Scorecard
Price Competitiveness
Solar Suitability
EV Suitability
Simplicity
Customer Service
Transparency
Niba's Backstory
Niba entered the Spanish market as a digital-native brand backed by the energy giant Iberdrola. They aim to strip away the complex jargon and bloated corporate overhead of traditional providers.
By operating with minimal administrative overhead while leveraging Iberdrola's massive infrastructure and stability, they are able to offer some of the most aggressive fixed rates in the country, directly challenging both traditional giants and tech challengers.
In 2026, their product lineup focuses on extreme simplicity: a flat 24h fixed rate (niba Zen), a 3-period TOU rate (niba Tres), a market-indexed rate (niba Flex), and a specialized solar plan (niba Solar).
Current Niba Tariffs
| Tariff Name | Type | P1 (€/kWh) | P2 | P3 | Potencia | EXTRAS |
|---|---|---|---|---|---|---|
niba Zen Stored rate valid from: Oct 5, 2026 · Data checked at: Oct 22, 2026, 08:32 PM GMT+2 Flat fixed price 24h, stable rate around the clock | fixed | €0.1230 | — | — | €0.0910 | Excedentes: €0.060/kWh Batería Virtual |
niba Flex Stored rate valid from: Oct 22, 2026 · Data checked at: Oct 22, 2026, 08:32 PM GMT+2 Market-indexed tariff with monthly fee | indexed | €0.3170 | €0.2360 | €0.2200 | €0.0760 / €0.0020 | Excedentes: €0.060/kWh Batería Virtual |
niba Solar Stored rate valid from: Oct 5, 2026 · Data checked at: Oct 22, 2026, 08:32 PM GMT+2 Solar plan with stable fixed export compensation | fixed | €0.1230 | — | — | €0.0910 | Excedentes: €0.060/kWh Batería Virtual |
What customers think of Niba
Customers praise Niba's hassle-free onboarding, transparent billing, and exceptionally low flat rates. As a younger provider, they are popular among digital-native users who prefer to manage everything online.
What we like
- Backed by the infrastructure and stability of Iberdrola
- Extremely competitive flat fixed rate (0.123 €/kWh)
- No permanent contract commitments
- 100% green energy certificates
- Easy digital sign-up and management
What to watch for
- Customer service is primarily digital-focused
- Limited history compared to century-old traditional giants
Who should avoid Niba?
"Users who prefer physical branch offices for billing queries or who prefer traditional phone-heavy customer service channels."
Editor’s note: an honest assessment to help match the right tariff.
Frequently Asked Questions
What is the difference between niba Zen and niba Tres?
How does the Niba Solar plan work?
Is there a monthly fee on niba Flex?
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Explore Niba Energy Tariffs
Direct link to provider's official website.
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