This is our electricity usage for the last couple years. Each vertical bar represents one two-month period, which is the frequency at which our power meter is actually read. It took a while to accumulate enough data points to say anything meaningful about our power usage; the thing that it says is “ouch”. I know it’s been a cold winter, but we’ve jumped up 20% in our power use over the same period in the last two years. We’re above the period where we had three people living here, not two. I’m not quite sure what to make of this, but I know that my shower times have crept up; I’m going to be more diligent from now on.
(I would, in fact, be curious about running temperature numbers alongside this graph – if anyone can put their hands on temperature data that I can use, that would be great, the only way I’ve found is by contacting NIWA and asking an actual human to quote me a price for the data I want, which seems a ridiculously old-fashioned way of doing things.)