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Endesa vs Factor Energía

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), Endesa is the cheaper option. Their Conecta Luz tariff results in an estimated monthly bill of €82.77 (including taxes). This compares to Factor Energía's best option (Tarifa Fija Precio Único) at €101.90 per month.

Endesa Best Bill
€82.77
Factor Energía Best Bill
€101.90

* 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

Endesa wins here. Their flat rate is 0.144433 €/kWh compared to Factor Energía's 0.1879 €/kWh.

Best Time-of-Use Rate

Endesa has cheaper off-peak hours (0.1229 €/kWh vs 0.1922 €/kWh).

Scorecard Comparison

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

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
Factor Energía

Factor Energía

4 / 5 (4,000+ reviews)
Founded1999
Customers300,000+
Energy100% Renewable

Pros

  • Eerste onafhankelijke leverancier in Spanje
  • 100% Gecertificeerde groene energie
  • Uitstekende app voor verbruikstracking
  • Zeer transparante facturatiestructuur

Cons

  • Wachttijden bij klantenservice tijdens pieken
  • Vaste tarieven kunnen iets hoger zijn dan markt-tarieven
  • Focus ligt primair op het Spaanse vasteland

Available Tariffs

Factor Tarifa Respira

Est. Monthly Bill
€102.69
Energy (P1 / P2 / P3)
0.3177 / 0.2596 / 0.1922
€/kWh
Potencia (P1 / P2)0.075903 / 0.001987 €/kW
Solar ExportN/A
Fixed FeeNone

Tarifa Fija Precio Único

Est. Monthly Bill
€101.90
Energy (24h)0.1879 €/kWh
Potencia (P1 / P2)0.1041 / 0.1041 €/kW
Solar ExportN/A
Fixed FeeNone

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