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Plenitude vs Som Energia

Live Comparison • oktober 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), 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.

Plenitude Best Bill
€75.47
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

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)PlenitudeSom 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

Plenitude

4.6 / 5 (2,500+ reviews)
Founded2021
Customers300,000+
Energy100% Renewable

Pros

  • 100 % sertifisert grønn energi
  • Enkle og stabile fastpristariffer
  • Sterk finansiell ryggrad via Eni
  • Uten bindingstid eller exit-gebyrer

Cons

  • Tradisjonell kundeservicemodell
  • Prisene kan være høyere enn hos lavprisaktører
  • Fokus er tungt på fastpris

Available Tariffs

Plenitude Tendencia

Est. Monthly Bill
€105.25
Energy (P1 / P2 / P3)
0.317 / 0.236 / 0.22
€/kWh
Potencia (P1 / P2)0.076 / 0.002 €/kW
Solar ExportN/A
Fixed FeeNone

Plenitude Fácil Plus Luz (≤ 5 kW)

Est. Monthly Bill
€78.33
Energy (24h)0.11999 €/kWh
Potencia (P1 / P2)0.112498 / 0.112498 €/kW
Solar ExportN/A
Fixed FeeNone

Plenitude Fácil Plus Luz (> 5 kW)

Est. Monthly Bill
€75.47
Energy (24h)0.112497 €/kWh
Potencia (P1 / P2)0.112498 / 0.112498 €/kW
Solar ExportN/A
Fixed FeeNone
Som Energia

Som Energia

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

Pros

  • 100 % medlemsdrevet og non-profit
  • Full gjennomsiktighet i priser og drift
  • Gode muligheter for demokratisk deltakelse
  • Investerer direkte i nye spanske fornybaranlegg

Cons

  • Krever et medlemsinnskudd på €100 (refunderbart)
  • Prisene kan være litt høyere enn de aller billigste tilbudene
  • Ingen store markedsføringsbudsjetter

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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