No. A home battery works with or without solar, storing cheaper electricity to use when electricity is more expensive.

Charge at around 8p/kWh instead of 26p/kWh and that’s roughly 70% cheaper electricity before battery losses. Some tariffs can also reward you for exporting stored energy back to the grid.

It depends on the battery size, brand and installation. Piggybank shows you the fully installed cost, so you can compare like for like.

Most home batteries can be installed outside, usually on an external wall or close to your electricity supply. Your installer will confirm the best location for your home.

No. Piggybank helps you compare your options. Installation is carried out by vetted MCS-certified installers.

Not unless you ask us to. We’ll email your options first, so you can look through them in your own time.