Plenitude 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), Plenitude is the cheaper option. Their Plenitude Fácil Plus Luz (> 5 kW) tariff results in an estimated monthly bill of €75.47 (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
Plenitude is the only provider offering a true 24-hour flat rate (0.112497 €/kWh).
Best Time-of-Use Rate
Som Energia is the only provider offering a fixed 3-period time-of-use rate.
Scorecard Comparison
| Metric (1-10) | Plenitude | Som Energia |
|---|---|---|
| Price Competitiveness | 8 | 7 |
| Solar Suitability | 7 | 9 |
| EV Suitability | 6 | 7 |
| Simplicity | 8 | 8 |
| Customer Service | 7 | 9 |
| Transparency | 8 | 10 |
Full Head-to-Head Comparison
Plenitude
Pros
- 100% Certified renewable energy
- Simple, stable fixed-price tariffs
- Strong financial backing from Eni
- No permanence or exit fees
Cons
- Traditional customer service model
- Prices can be higher than niche discounters
- Focus is heavily on fixed-rate plans
Available Tariffs
Plenitude Tendencia
Plenitude Fácil Plus Luz (≤ 5 kW)
Plenitude Fácil Plus Luz (> 5 kW)
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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