Today was a happy day.  The scaffolders arrived at 8am, followed by an electrician, roofer and 13 solar panels.  I was up and down making tea, advising on cables and finding spare roof tiles until 3pm.

And then the electrician turned our solar system on. I looked at our control panel and there it was – we were already exporting electricity to the national grid.

What can explain my excitement?  It was partly that we were making money, just as we sat there.  But the greater sense of wellbeing was in the knowledge that it was all coming from the glorious, never-to-be-depleted sun.