Eres Energía vs Som Energia
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 Som Energia's best option (Som - Tarifa Periodos) at €80.72 per month.
* 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 is the only provider offering a true 24-hour flat rate (0.099 €/kWh).
Best Time-of-Use Rate
Eres Energía has cheaper off-peak hours (0.0996 €/kWh vs 0.15 €/kWh).
Scorecard Comparison
| Metric (1-10) | Eres Energía | Som Energia |
|---|---|---|
| Price Competitiveness | 7 | 7 |
| Solar Suitability | 5 | 9 |
| EV Suitability | 5 | 7 |
| Simplicity | 8 | 8 |
| Customer Service | 7 | 9 |
| Transparency | 8 | 10 |
Full Head-to-Head Comparison
Eres Energía
Pros
- Simple and transparent pricing
- No permanence commitment
- 100% renewable energy
Cons
- Limited physical presence
- Fewer tariff varieties than larger providers
Available Tariffs
Eres Tres
Eres Flexible
Eres Sobresaliente
Som Energia
Pros
- 100% Community-owned and non-profit
- Total transparency in pricing and management
- Excellent democratic participation
- Invests directly in new Spanish renewable plants
Cons
- Requires a €100 initial membership fee (refundable)
- Tariffs can be slightly higher than the most aggressive market 'teaser' rates
- No massive marketing budgets or complex cross-sell offers
Available Tariffs
Som - Tarifa Periodos
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