My Growing Space in Elk Grove, CA

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Tree top and more

By: EZ_Gee
Apr 25, 2012
The solar panels went up this partially cloudy day.  We are hooked to the grid; we produced 9.5 kWatts of AC energy in 5 hours; we also saved 19.8 lbs of CO2. I "topped"  the white birch tree on the west side of house as it was extending 10 or more feet above the roof line and would shade the panels from sun in the later afternoon.  The pruning went well and I hope the tree will fill itself in on its lower trunk and branches to shade better the west sidewall section of the building. Put the leaves and small twigs from the birch onto the compost pile #2.Not much planting/transplanting activity today.  The bitter melon seeds are coming up along with slicing cucumbers and butternut squash seeds.


JMTKMS replied about 1 year ago
Saved CO2??  I am not familiar with solar energy or how co2 figures in?  If you make more energy that you need, does it go anywhere... or just lost?
EZ_Gee replied about 1 year ago
@JMTKMS: @JMTKMS: Great questions. "Saving CO2" is a comparison between fossil fuel usage to produce electricity and using a "renewable/alternative means of producing energy.... examples = 1 kWh produced from natural gas emits 0.18 kg of CO2 ..... 1 kWh produced from coal emits 0.33 kg of CO2 .... 1 kWh produced with Diesel emits 0.29 kg of CO2 ..... 1 kWh produced by the combination of all sources of renewable energy emits 0.04 kg of CO2  
...Check this site for a more "real" appraisal of CO "savings". http://www.mnn.com/green-tech/research-innovations/blogs/how-much-co2-does-one-solar-panel-create  As far as what happens to "extra energy" my panels produce... The electric meter runs backwards (I have watched this going on for 2 days now) as power is fed into "the grid".  BTW, I sized my system (12 panels @ max  240 kWh each) to cover only about 2/3 of electricity used in our house:   #1.AC usage  #2 Washer and dryer  #3 Kitchen stove & microwave. More cost effective for us to have this size of system over time of system life. 

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