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Endesa vs Niba

Live Comparison • oktober 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

  • Fysieke kantoren in heel Spanje
  • Zeer stabiel bedrijf
  • Competitieve digitale tarieven
  • Breed scala aan huisdiensten

Cons

  • Klantenservice kan traag zijn
  • Complexe facturatiestructuur
  • Agressieve marketingpraktijken

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

  • Gesteund door de infrastructuur en stabiliteit van Iberdrola
  • Zeer concurrerend vast tarief ({rate})
  • Geen vaste contractduur / boetevrij overstappen
  • 100% groenestroomcertificaten
  • Eenvoudige digitale aanmelding en beheer

Cons

  • Klantenservice is voornamelijk digitaal gericht
  • Kortere geschiedenis in vergelijking met traditionele gevestigde namen

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

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