2011 Solar Data
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Solar Data April 2011

This page contains both generation data and a graph for the month.

Used Gen and Used Grid amounts in the chart show electrical energy used by the household from the solar array and the grid respectively. The To Grid amount represents the energy pushed back to the grid and not used by the household.

 
April 2011 Power Generation Analysis The Ravina Project        
Day  kWh Weather Peak  Minutes Efficiency   Array Size 1.5  kW
  Gen   Watts   Wh/min/kW        
1-Apr-11 5.8 oc/diff am pt cld pm 1427 765 5.1   Generation Analysis kWh  
2-Apr-11 7.6 sun am, pt cld pm 1355 769 6.6        
3-Apr-11 6.0 sun am, pt cld oc pm 1111 772 5.2   Total 134.1  
4-Apr-11 1.8 diff am, oc pm 1104 774 1.6   Average 4.5  
5-Apr-11 3.5 oc am, pt sun pm 1753 777 3.0   Median 4.0  
6-Apr-11 3.0 thin cld / oc 915 780 2.6   Stdev 2.5  
7-Apr-11 4.9 oc am, sun pm 1425 784 4.2        
8-Apr-11 3.5 oc am, pt sun late pm 861 786 3.0   WX short forms used  
9-Apr-11 8.6 sun 1192 789 7.3        
10-Apr-11 2.2 oc am, thn cld pm 818 792 1.9   oc - overcast    
11-Apr-11 3.7 oc early am, thn cld pm 1284 795 3.1   diff - diffuse light  
12-Apr-11 8.2 sun / thn cld 1301 798 6.9   brks - breaks    
13-Apr-11 1.2 oc 378 801 1.0   br - bright    
14-Apr-11 8.2 sun thn cld am 1561 804 6.8   cld - cloud    
15-Apr-11 9.1 sun thin cld am 1288 806 7.5   hi - high altitude  
16-Apr-11 0.5 oc rain wind 263 809 0.4   hz - haze pollution or cirrus  
17-Apr-11 3.1 oc diffuse sun brks 1479 813 2.5   pds - periods    
18-Apr-11 2.3 oc sun late pm 391 815 1.9   pt - part    
19-Apr-11 3.7 sun am oc pm cold 1523 818 3.0   wx - weather    
20-Apr-11 1.1 oc dull / diffuse 532 821 0.9   sml - small    
21-Apr-11 4.5 sun cld cool 1706 823 3.6   mod - moderate  
22-Apr-11 5.7 thn cld 1572 827 4.6        
23-Apr-11 5.5 sun cld pm 1312 829 4.4   Peak Watt Analysis W  
24-Apr-11 5.0 oc am sun pm 1295 832 4.0        
25-Apr-11 2.8 sun am, cld rain pm 1147 834 2.2   Maximum 1753  
26-Apr-11 1.9 oc rain 1233 837 1.5   Minimum 263  
27-Apr-11 4.9 sun / rain / sun 1315 840 3.9   Average 1200  
28-Apr-11 2.2 oc sunny brks 1581 843 1.7   Median 1292  
29-Apr-11 4.3 oc / diff sunny brk 1695 845 3.4   Std deviation 399  
30-Apr-11 9.3 sun thn cld am 1194 848 7.3        
            Efficiency Analysis Wh/min/kW
Monthly: 134.1     24226          
YTD: 421.6           Maximum 7.5  
            Minimum 0.4  
            Average 3.7  
            Median 3.2  
            Std Deviation 2.1