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Net-positive by more than 50% margin

posted May 30, 2014, 8:21 PM by Ella Wong   [ updated May 30, 2014, 8:25 PM ]

TrekHaus West's 4.70 kW PV system has been up and running for over 2 years now.
Here's a look at the numbers..

AVERAGE SOLAR ENERGY GENERATION:  14 kWh/day (May 8, 2012 to May 8, 2014)
Year 1:  annual average of 13.7 kWh/day
Year 2:  annual average of 14.1 kWh/day
(Note:  Our 4.70 kW system was expected to generate average of 12.5 kWh/day)

AVERAGE ENERGY CONSUMPTION: 9 kW/day (May 8, 2012 to May 8, 2014)    
Year 1:  annual average of 8.8 kWh/day
Year 2:  annual average of 9.5 kWh/day (colder winter)

Overall, NET POSITIVE by average of 5 kWh/day.  This is enough electricity to run a Nissan Leaf about 5500 miles per year or 15 miles per day.



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