| http://www.w3.org/ns/prov#value | - cked?Not too uncommon for a loose wire/connection to disable a string.I would use PVWatts to check the output vs. what it should reasonably be.http://www.nrel.gov/rredc/pvwatts/Do you know your heating degree days (and cooling degree days)?http://www.degreedays.netI am guessing (from "snow) most of your load is heating.how is the insulation/tightness?Have you had a blower door test?N.B. depending on th
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