Per year. And assumes electricity prices won't go up.
It took me half-an-hour to grab the CSV files from my monitoring, a write a scrap of Python to work out the difference in prices, then double-check my workings.
I'm happy with that ROI.
It took me half-an-hour to grab the CSV files from my monitoring, a write a scrap of Python to work out the difference in prices, then double-check my workings.
I'm happy with that ROI.