Octopus Energy vs HolaLuz

Live Comparison • julio 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), Octopus Energy is the cheaper option. Their Octopus Relax tariff results in an estimated monthly bill of 66.41 (including taxes). This compares to HolaLuz's best option (HolaLuz Rate 3) at €77.89 per month.

Octopus Energy Best Bill
66.41
HolaLuz Best Bill
77.89

* 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

Octopus Energy wins here. Their flat rate is 0.103 €/kWh compared to HolaLuz's 0.147 €/kWh.

Best Time-of-Use Rate

Octopus Energy has cheaper off-peak hours (0.079 €/kWh vs 0.113 €/kWh).

Scorecard Comparison

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

Full Head-to-Head Comparison

Octopus Energy

Octopus Energy

4.8 / 5 (16,000+ reviews)
Founded2015
Customers500,000+
Energy100% Renewable

Pros

  • La mejor opción para propietarios de VE
  • Excelente compensación solar
  • Facturación clara y sin rodeos
  • App muy bien valorada
  • Atención al cliente de calidad

Cons

  • Los precios de potencia son algo más altos que algunos competidores
  • Ajustes de tarifas frecuentes pero pequeños

Available Tariffs

Octopus Solar

Est. Monthly Bill
74.31
Energy (P1 / P2 / P3)
0.209 / 0.118 / 0.093
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone

Octopus 3

Est. Monthly Bill
67.44
Energy (P1 / P2 / P3)
0.184 / 0.098 / 0.079
€/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Go

Est. Monthly Bill
87.03
Energy (P1 / P2 / P3)
0.248 / 0.248 / 0.104
€/kWh
Potencia (P1 / P2)0.11 / 0.024 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Flexi

Est. Monthly Bill
73.43
Energy (P1 / P2 / P3)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Relax

Est. Monthly Bill
66.41
Energy (24h)0.103 €/kWh
Potencia (P1 / P2)0.093 / 0.093 €/kW
Solar Export0.01 €/kWh
Fixed FeeNone
HolaLuz

HolaLuz

3.5 / 5 (5,800+ reviews)
Founded2010
Customers400,000+
Energy100% Renewable

Pros

  • Compromiso energía 100% verde
  • Fuerte enfoque en innovación solar
  • Pagos mensuales transparentes
  • Modelo de negocio ético

Cons

  • Las tarifas planas pueden ser caras para bajos consumos
  • Tiempos de respuesta variables en atención al cliente
  • Enfoque de venta solar muy agresivo

Available Tariffs

HolaLuz Classic Rate

Est. Monthly Bill
80.14
Energy (24h)0.147 €/kWh
Potencia (P1 / P2)0.082 / 0.082 €/kW
Solar ExportN/A
Fixed FeeNone

HolaLuz Rate 3

Est. Monthly Bill
77.89
Energy (P1 / P2 / P3)
0.213 / 0.14 / 0.113
€/kWh
Potencia (P1 / P2)0.082 / 0.082 €/kW
Solar ExportN/A
Fixed FeeNone

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