ACIS vs Plenitude

Live Comparison • julio 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 Fácil Luz tariff results in an estimated monthly bill of 66.18 (including taxes). This compares to ACIS's best option (SMART -2.0TD Renovable) at €80.47 per month.

ACIS Best Bill
80.47
Plenitude Best Bill
66.18

* 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 (0.097296 €/kWh).

Best Time-of-Use Rate

ACIS is the only provider offering a fixed 3-period time-of-use rate.

Full Head-to-Head Comparison

ACIS

ACIS

Available Tariffs

EQUAL - 2.0TD No renovable

Est. Monthly Bill
85.06
Energy (P1 / P2 / P3)
0.254044 / 0.180627 / 0.136151
€/kWh
Potencia (P1 / P2)0.112278 / 0.015612 €/kW
Solar ExportN/A
Fixed FeeNone

SMART -2.0TD Renovable

Est. Monthly Bill
80.47
Energy (P1 / P2 / P3)
0.23019 / 0.171489 / 0.135124
€/kWh
Potencia (P1 / P2)0.113206 / 0.003725 €/kW
Solar ExportN/A
Fixed FeeNone
Plenitude

Plenitude

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

Pros

  • Energía 100% renovable certificada
  • Tarifas de precio fijo sencillas y estables
  • Respaldo financiero del grupo Eni
  • Sin permanencia ni penalizaciones

Cons

  • Modelo de atención al cliente tradicional
  • Precios que pueden ser superiores a discounters de nicho
  • Enfoque principal en planes de tarifa fija

Available Tariffs

Fácil Luz

Est. Monthly Bill
66.18
Energy (24h)0.097296 €/kWh
Potencia (P1 / P2)0.099984 / 0.099984 €/kW
Solar ExportN/A
Fixed FeeNone

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