Archive of posts from January 2013

• 335 days and 6 slices of data

  Jan 11, 2013

  

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• Estimating heat energy for 2012

  Jan 9, 2013

  April 7 Update: Using a different method I estimated  that we used 903 kWh for heat energy in 2012, that’s 16% of our total energy use. That would have cost us about $117 (using $0.13 per kWh).

  We don’t have a full 12 months of data for our heat, but using heating degree days (HDD) and performance thus far we can estimate that we used 591 kWh (+/-20%) for heat in 2012. That’s 11% of our total energy use for the year.

  Here’s the math…

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• We're net positive for 2012!

  Jan 2, 2013

  

  

  Year Summary

  We’re net positive for 2012! We used 5,601 kWh and generated 8,856 kWh for a net surplus of 3,256 kWh. We used an average of 15.3 kWh per day.

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