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Som Energia vs ACIS

Live Comparison • July 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

Not enough tariff data available to calculate a typical monthly bill comparison.

Best Flat Rate

Neither provider currently offers a 24-hour flat rate.

Best Time-of-Use Rate

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

Full Head-to-Head Comparison

Som Energia

Som Energia

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

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

No active tariffs found.

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

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