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Octopus Energy vs TotalEnergies

Live Comparison • October 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), TotalEnergies is the cheaper option. Their A Tu Aire Luz Programa Tu Ahorro tariff results in an estimated monthly bill of €71.02 (including taxes). This compares to Octopus Energy's best option (Octopus Relax) at €85.00 per month.

Octopus Energy Best Bill
€85.00
TotalEnergies Best Bill
€71.02

* 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

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

Best Time-of-Use Rate

TotalEnergies has cheaper off-peak hours (0.086176 €/kWh vs 0.119 €/kWh).

Scorecard Comparison

Metric (1-10)Octopus EnergyTotalEnergies
Price Competitiveness
8
7
Solar Suitability
10
6
EV Suitability
10
5
Simplicity
9
6
Customer Service
9
5
Transparency
9
6

Full Head-to-Head Comparison

Octopus Energy

Octopus Energy

4.8 / 5 (16,000+ reviews)
Founded2015
Customers500,000+
Energy100% Renewable

Pros

  • Best choice for EV owners
  • Excellent solar compensation
  • Simple, no-BS billing
  • Highly rated app

Cons

  • Potencia rates are slightly higher than some peers
  • Frequent but small rate adjustments

Available Tariffs

Octopus Solar

Est. Monthly Bill
€98.81
Energy (P1 / P2 / P3)
0.233 / 0.177 / 0.137
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar Export0.035 €/kWh
Fixed FeeNone

Octopus 3

Est. Monthly Bill
€88.70
Energy (P1 / P2 / P3)
0.185 / 0.134 / 0.129
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Go

Est. Monthly Bill
€129.34
Energy (P1 / P2 / P3)
0.392 / 0.392 / 0.119
€/kWh
Potencia (P1 / P2)0.12 / 0.1 €/kW
Solar ExportN/A
Fixed FeeNone

Octopus Flexi

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 Export0.035 €/kWh
Fixed FeeNone

Octopus Relax

Est. Monthly Bill
€85.00
Energy (P1 / P2 / P3)
0.144 / 0.129 / 0.129
€/kWh
Potencia (P1 / P2)0.12 / 0.12 €/kW
Solar Export0.01 €/kWh
Fixed FeeNone
TotalEnergies

TotalEnergies

3.8 / 5 (3,200+ reviews)
Founded1924
Customers1,000,000+
EnergyMixed (Multi-Energy)

Pros

  • Excellent rewards program
  • Aggressive introductory pricing
  • Strong customer support
  • Good dual-fuel deals

Cons

  • Rates can increase significantly after 12 months
  • Complex rewards system
  • Focus is heavily on digital users

Available Tariffs

A Tu Aire Luz Siempre

Est. Monthly Bill
€73.28
Energy (24h)0.1199 €/kWh
Potencia (P1 / P2)0.094493 / 0.094493 €/kW
Solar ExportN/A
Fixed FeeNone

A Tu Aire Luz Programa Tu Ahorro

Est. Monthly Bill
€71.02
Energy (P1 / P2 / P3)
0.183572 / 0.11393 / 0.086176
€/kWh
Potencia (P1 / P2)0.094493 / 0.094493 €/kW
Solar ExportN/A
Fixed FeeNone

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