Articles

Plain-English explainers for home battery owners: how the Powerwall decides what to do, and how to make a smart tariff pay.

• How Powerwall time-based control worksSelf-Powered versus Time-Based Control, the backup reserve, grid charging, and why the tariff on the Powerwall doesn't have to be your real one.
• Octopus Agile with a home batteryHow half-hourly pricing works, what a battery can do with it, a worked example, and when a fixed-window tariff is the better fit.
• UK export tariffs explainedThe Smart Export Guarantee, flat-rate and half-hourly export, Flux-style peak export, and what an export limit means for your battery.

These articles are general information, not financial advice. Tariffs and prices change often; check your supplier's current terms before switching.