January performance
Performance for our first month in the house. Updated Feb 5.
Jan 1, 2012 | Feb 1, 2012 | |
---|---|---|
Utility Meter NET | 97,095 kWh | 97,599 kWh |
Solar PV meter | 5,054 kWh | 5,423 kWh |
Solar PV generation | 369 kWh | -- |
Monthly usage | 873 kWh 1 | -- |
Net usage or (generation) | 504 kWh | -- |
Unfortunately the mild winter weather is making it difficult to assess performance for an average year. New York State publishes Heating Degree Day Information, that documents the number of Heating Degree Days per month and compares them to the previous year and 30 year average. Albany’s 30 year average is 1085 HDD for December. December 2011 recorded 955 HDD, roughly 12% lower (warmer). December 2010 was higher with 1206 HDD. I’m expecting January 2012 to also have an unusually low number of HDD.
We now have monitoring equipment in place to more accurately measure kWh usage, PV generation and indoor and outdoor temperatures and humidity readings. Looking forward to seeing how February measures up.
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