Tariffs

UK energy tariff database, revenue calculator, and tariff comparison for your home

Tariff Status Update — March 2026

  • Intelligent Octopus Flux (IOF) — new sign-ups paused by Octopus Energy. Existing customers unaffected.
  • Octopus Flux — new sign-ups paused. Awaiting Octopus re-opening.
  • Octopus Agile — open for new sign-ups. All revenue figures on this page are based on Agile tariff until IOF/Flux availability is confirmed.

Tariffs Tracked

9

All major UK suppliers

Best Arbitrage Spread

14.1p/kWh

Octopus IOF peak spread

Grid Services Revenue

£660/yr

Combined est. per home

Active Alerts

3

7 total alerts

Tariff Comparison

IOF vs Flux vs Agile — same hardware, real rates
Click Run Comparison to backtest IOF, Flux, and Agile with identical hardware. Uses real historical rates from the database. IOF uses fixed rates (API limited).

Hardware Config (shared across all tariffs)

64.4kWh × 1

= 258 kWh

= 90kW

Eff: 30kW

24

£61,939