Imagina Energía vs Som Energia

Live Comparison • octobre 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), Som Energia is the cheaper option. Their Som - Tarifa Periodos tariff results in an estimated monthly bill of €80.72 (including taxes). This compares to Imagina Energía's best option (Sin Horas) at €88.98 per month.

Imagina Energía Best Bill
€88.98
Som Energia Best Bill
€80.72

* 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

Imagina Energía is the only provider offering a true 24-hour flat rate (0.149 €/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)Imagina EnergíaSom Energia
Price Competitiveness
8
7
Solar Suitability
9
9
EV Suitability
6
7
Simplicity
8
8
Customer Service
9
9
Transparency
9
10

Full Head-to-Head Comparison

Imagina Energía

Imagina Energía

4.8 / 5 (700+ reviews)
Founded2020
Customers50,000+
Energy100% Solar Energy

Pros

  • Énergie 100% solaire certifiée
  • Garantie de prix fixe sur 3 ans
  • Excellent support client personnalisé
  • Fonctionnalités avancées pour l'autoconsommation solaire

Cons

  • L'accent est principalement mis sur les plans à prix fixe
  • Marque plus jeune que les 'Big Three'
  • Modèle de gestion exclusivement en ligne

Available Tariffs

Sin Horas

Est. Monthly Bill
€88.98
Energy (24h)0.149 €/kWh
Potencia (P1 / P2)0.136 / 0.086 €/kW
Solar Export0.04 €/kWh
Fixed FeeNone
Som Energia

Som Energia

4.5 / 5 (Local / Coop reviews)
Founded2010
Customers85,000+ members
Energy100% Renewable (Cooperative)

Pros

  • 100% Propriété communautaire et à but non lucratif
  • Transparence totale des prix et de la gestion
  • Excellente participation démocratique
  • Investit directement dans de nouvelles centrales renouvelables

Cons

  • Nécessite des frais d'adhésion initiaux de 100 € (remboursables)
  • Tarifs pouvant être légèrement plus élevés que les prix d'appel agressifs
  • Pas de gros budgets marketing

Available Tariffs

Som - Tarifa Periodos

Est. Monthly Bill
€80.72
Energy (P1 / P2 / P3)
0.249 / 0.169 / 0.15
€/kWh
Potencia (P1 / P2)0.082011 / 0.008096 €/kW
Solar Export0.03 €/kWh
Fixed FeeNone

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