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HolaLuz vs Eres Energía

Live Comparison • juli 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), Eres Energía is the cheaper option. Their Eres Sobresaliente tariff results in an estimated monthly bill of 66.56 (including taxes). This compares to HolaLuz's best option (HolaLuz Rate 3) at €77.89 per month.

HolaLuz Best Bill
77.89
Eres Energía Best Bill
66.56

* 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

Eres Energía wins here. Their flat rate is 0.099 €/kWh compared to HolaLuz's 0.147 €/kWh.

Best Time-of-Use Rate

Eres Energía has cheaper off-peak hours (0.0939 €/kWh vs 0.113 €/kWh).

Scorecard Comparison

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

Full Head-to-Head Comparison

HolaLuz

HolaLuz

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

Pros

  • Forpliktelse til 100 % grønn energi
  • Sterkt fokus på solenergiinnovasjon
  • Gjennomsiktige månedlige betalinger
  • Etisk forretningsmodell

Cons

  • Flate rater kan være dyre for de med lavt forbruk
  • Svartiden på kundeservice varierer
  • Veldig aggressivt salgsfokus på solceller

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
Eres Energía

Eres Energía

4.2 / 5 (300+ reviews)
Founded2018
Customers40,000+
Energy100% Renewable

Pros

  • Simple and transparent pricing
  • No permanence commitment
  • 100% renewable energy

Cons

  • Limited physical presence
  • Fewer tariff varieties than larger providers

Available Tariffs

Eres Solar Flexible

Est. Monthly Bill
93.07
Energy (P1 / P2 / P3)
0.1981 / 0.1253 / 0.0939
€/kWh
Potencia (P1 / P2)0.1597 / 0.1597 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Tres

Est. Monthly Bill
69.80
Energy (P1 / P2 / P3)
0.1995 / 0.1379 / 0.0986
€/kWh
Potencia (P1 / P2)0.0969 / 0.0379 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Flexible

Est. Monthly Bill
76.76
Energy (P1 / P2 / P3)
0.224 / 0.16 / 0.136
€/kWh
Potencia (P1 / P2)0.0819 / 0.02 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Sobresaliente

Est. Monthly Bill
66.56
Energy (24h)0.099 €/kWh
Potencia (P1 / P2)0.099 / 0.099 €/kW
Solar ExportN/A
Fixed FeeNone

Eres Solar Tres

Est. Monthly Bill
117.16
Energy (P1 / P2 / P3)
0.2095 / 0.1379 / 0.1088
€/kWh
Potencia (P1 / P2)0.2277 / 0.2277 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

Eres Solar 24

Est. Monthly Bill
98.78
Energy (24h)0.1449 €/kWh
Potencia (P1 / P2)0.1518 / 0.1518 €/kW
Solar Export0.0304 €/kWh
Fixed FeeNone

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