TV Brightness v Power Consumption!

When I read my Economy 7 electricity meter on 3 October and registered the reading in the spreadsheet that I use to monitor my electricity usage, I noticed that the day time usage had increased from 2.8kwh to 3.3kwh during September. It's been around 2.8 for a long time so I was a bit puzzled. I wondered if perhaps I had left my kitchen spotlights on too long because there are 3 of them rated at 20 watts. All my other lights are low power ones using 6 watts or less but the spotlights are very Read more [...]