Endesa vs Niba

Live Comparison • octobre 2026

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 Zen tariff results in an estimated monthly bill of €73.49 (including taxes). This compares to Endesa's best option (Conecta Luz) at €82.77 per month.

Endesa Best Bill
€82.77
Niba Best Bill
€73.49

* 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 wins here. Their flat rate is 0.123 €/kWh compared to Endesa's 0.144433 €/kWh.

Best Time-of-Use Rate

Endesa is the only provider offering a fixed 3-period time-of-use rate.

Scorecard Comparison

Metric (1-10)EndesaNiba
Price Competitiveness
6
9
Solar Suitability
6
8
EV Suitability
6
7
Simplicity
5
9
Customer Service
4
8
Transparency
5
9

Full Head-to-Head Comparison

Endesa

Endesa

3.9 / 5 (12,000+ reviews)
Founded1944
Customers10,000,000+
EnergyMixed (Renewables + Nuclear + Gas)

Pros

  • Bureaux physiques dans toute l'Espagne
  • Entreprise très stable
  • Tarifs numériques compétitifs
  • Large gamme de services à domicile

Cons

  • Le service client peut être lent
  • Structure de facturation complexe
  • Pratiques de marketing agressives

Available Tariffs

One Luz

Est. Monthly Bill
€98.46
Energy (24h)0.185544 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone

Endesa Solar Plus Virtual Battery

Est. Monthly Bill
€92.91
Energy (24h)0.171957 €/kWh
Potencia (P1 / P2)0.093666 / 0.093666 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

One Luz 3 Periodos

Est. Monthly Bill
€84.95
Energy (P1 / P2 / P3)
0.2249 / 0.1489 / 0.1229
€/kWh
Potencia (P1 / P2)0.093665 / 0.093665 €/kW
Solar ExportN/A
Fixed FeeNone

Conecta Luz

Est. Monthly Bill
€82.77
Energy (24h)0.144433 €/kWh
Potencia (P1 / P2)0.094967 / 0.094967 €/kW
Solar ExportN/A
Fixed FeeNone
Niba

Niba

4.1 / 5 (150+ reviews)
Founded2025
Customers10,000+
Energy100% Renewable

Pros

  • Soutenue par l'infrastructure et la stabilité du groupe Iberdrola
  • Tarif fixe plat très compétitif ({rate})
  • Sans engagement de durée
  • Certificat d'électricité 100% verte
  • Souscription et gestion 100% en ligne simples

Cons

  • Support client orienté principalement vers le numérique
  • Jeune marque avec moins d'ancienneté que les géants historiques

Available Tariffs

niba Zen

Est. Monthly Bill
€73.49
Energy (24h)0.123 €/kWh
Potencia (P1 / P2)0.091 / 0.091 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

niba Flex

Est. Monthly Bill
€105.25
Energy (P1 / P2 / P3)
0.317 / 0.236 / 0.22
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

niba Solar

Est. Monthly Bill
€73.49
Energy (24h)0.123 €/kWh
Potencia (P1 / P2)0.091 / 0.091 €/kW
Solar Export0.06 €/kWh
Fixed FeeNone

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