Solar & home-energy insights
Guides, tips and updates on solar, batteries, tariffs and saving energy at home — published regularly.

Solar Payback Period Explained: How Long Until Your Panels Pay for Themselves?
Wondering when your solar panels will start saving you money? Here's a clear, honest look at payback periods in Germany, the UK, and Italy - and what actually moves the number.

How Many Solar Panels Does Your Home Actually Need?
Three practical methods to estimate your solar panel count - from roof area, from your electricity bill, and adjusted for orientation and shading. Includes a worked example.

Is Solar Worth It? A Homeowner's Plain-English Guide to Payback
Wondering if solar panels will actually pay off? This honest guide explains system costs, electricity savings, export payments, and how a home battery changes the maths - with real Central-Europe and UK ballparks.