Data logging! Average energy for cooking.

So I feel incredibly nerdy right now because I am very excited about the information that we are gleaning from the data loggers in place around the house. One of them, a TED 5000 installed May 2013, has been monitoring the electrical consumption for our cooking, which we do a lot of. Our stove is a standard glass-top. We now have a pretty good sample of time (mid-April through mid-October) including “canning season”. In an effort to create a more detailed picture I isolated the canning period: September 1st through October 4th.

  • Average energy consumed per day (non-canning season): 1.27kW
  • Average energy consumed per day (canning season): 3.35kW
  • Extrapolating out we can expect to use 535 kW/year cooking and canning, and, based on last year’s total electricity usage, this would be 13% of it.
  • The cost for electricity for us has been around 18.5 cents/kW so we can expect to spend about $100 per year cooking.
  • We spent an estimated $13 on energy for canning (70kW)

The TED 5000 is also monitoring our air source heat pump, which has pretty much been off since May. We used it for a total of 12 days this summer 11 of which were in June and 1 in September. A total of 35.7 kW was consumed at a cost of $6.60. Eventually I will get around to calculating how many Btu’s the heat pump is putting in (or taking out of) our home. This requires knowing how efficient the heat pump is at various outdoor temperatures, and what the outdoor temperatures are on, I would imagine, at least an hourly basis.

Speaking of the outdoor temperature brings me to more exciting news: we just purchased two more temperature loggers! Last winter I moved our one logger around the home which left us with no perspective when viewing the data. Going forward, we will be able to compare outdoor temperature to first to second floor temperature data. The outdoor logger is out of the sun about 8′ from the west side of the house and 4′ off the ground. The second floor logger is in our master bedroom.

Now that we have data logged our cooking use, I will be switch over to monitoring our refrigerator. Stay tuned!


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