All Posts

One of the most common comments I receive whenever I post about solar is: “You haven’t factored in the opportunity cost.” And it’s a fair point. If you spend £20,000 on a solar and battery system, that same money could have been invested instead. Over time, that investment might grow significantly, so how do you know whether solar was really the better financial decision? Rather than arguing opinions in the comments section, I decided to build something to actually test it pr

When most people think about solar power in the UK, they picture a huge installation project involving scaffolding, installers, roof surveys, and a bill running into the thousands of pounds. But recently there’s been growing interest around something much simpler — plug-in solar. So I decided to test it for myself. Could I build a fully working 800W micro solar setup for less than £300, and more importantly… would it actually work in the real world? The Setup For this project

For years, homeowners have been told a simple message: Heat pumps are cheaper to run than gas boilers. And for a while, that was often true — especially during the energy crisis when gas prices were sky-high. But energy prices change, and so does the maths. After living with a heat pump for two winters, I decided to stop relying on assumptions, averages, and installer spreadsheets — and instead look at real data from my own home . What I found surprised me. Why this question