Energía XXI vs HolaLuz
Live Comparison • July 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
Not enough tariff data available to calculate a typical monthly bill comparison.
Best Flat Rate
HolaLuz is the only provider offering a true 24-hour flat rate (0.147 €/kWh).
Best Time-of-Use Rate
HolaLuz is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Energía XXI | HolaLuz |
|---|---|---|
| Price Competitiveness | 5 | 6 |
| Solar Suitability | 3 | 9 |
| EV Suitability | 3 | 6 |
| Simplicity | 2 | 8 |
| Customer Service | 4 | 4 |
| Transparency | 2 | 7 |
Full Head-to-Head Comparison
Energía XXI
1.2 / 5 (3,000+ reviews)
Founded2019
Customers3,000,000+
EnergyMixed (Regulated Market)
Pros
- Access to the Bono Social (government discounts)
- Official regulated prices (PVPC)
- Stability of a large utility group
Cons
- Poor billing transparency
- Hidden unit prices (clumped with tolls)
- No fixed-price security (prices change every hour)
- Low customer satisfaction scores
Available Tariffs
No active tariffs found.
HolaLuz
3.5 / 5 (5,800+ reviews)
Founded2010
Customers400,000+
Energy100% Renewable
Pros
- 100% Green energy commitment
- Strong focus on solar innovation
- Transparent monthly payments
- Ethical business model
Cons
- Flat rates can be expensive for low users
- Customer service response times vary
- Aggressive solar sales focus
Available Tariffs
HolaLuz Classic Rate
Est. Monthly Bill€80.14
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
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
Based on a typical profile: 3.6kW Potencia, 300kWh monthly usage (20% P1, 30% P2, 50% P3), plus standard IVA (21%), Electricity Tax (5.11%), and ~1€ meter hire.
Energy (P1 / P2 / P3)
0.213 / 0.14 / 0.113
€/kWh
Potencia (P1 / P2)0.082 / 0.082 €/kW
Solar ExportN/A
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