weSwitchSpain Logo
weSwitchSpain

Nexus Energía vs ACIS

Live Comparison • juli 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), Nexus Energía is the cheaper option. Their Luz Eficiente tariff results in an estimated monthly bill of 69.99 (including taxes). This compares to ACIS's best option (SMART -2.0TD Renovable) at €80.47 per month.

Nexus Energía Best Bill
69.99
ACIS Best Bill
80.47

* 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

Nexus Energía is the only provider offering a true 24-hour flat rate (0.1199 €/kWh).

Best Time-of-Use Rate

Nexus Energía has cheaper off-peak hours (0.0957 €/kWh vs 0.135124 €/kWh).

Full Head-to-Head Comparison

Nexus Energía

Nexus Energía

Available Tariffs

Luz Estable

Est. Monthly Bill
70.01
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.112898 / 0.052635 €/kW
Solar ExportN/A
Fixed FeeNone

Luz Eficiente

Est. Monthly Bill
69.99
Energy (P1 / P2 / P3)
0.1689 / 0.1306 / 0.0957
€/kWh
Potencia (P1 / P2)0.095342 / 0.067561 €/kW
Solar ExportN/A
Fixed FeeNone
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

Find the absolute best supplier for your home

Don't rely on typical profiles. Upload your real bill and our AI will calculate exactly which supplier is cheaper for your actual energy usage.

Analyze My Bill Now