Curious whether solar, batteries, or a heat pump would actually save you money?
The WattWorks Calculator lets you see real-world savings in minutes using your own energy usage and tariff.

Explore battery-only systems, see how solar PV changes the numbers, and understand payback, ROI, and long-term savings — all before speaking to an installer.
If the results stack up, you can move straight into a no-obligation quote or survey with all the hard work already done.