,,,,,,
Consumption Calculation,,,,,,
date of reading,Imported from Grid (kWh),Exported to grid (kWh),Generated On Site (kWh),Building Usage (kWh),Usage (kWh),Annual Consumption (kWh)
,A,B ,C,,,
13/10/2011,2170,34960,19540,"-13,250 ","-32,790 ",0
,,,, -   , -   ,
25/01/2012,36190,46260,,"-10,070 ","-10,070 ",
02/04/2012,62420,63410,106702," 105,712 ",-990 ,
15/04/2012," 74,770 "," 79,300 "," 119,022 "," 114,492 ","-4,530 ",
18/06/2012,81590,94070,,"-12,480 ","-12,480 ",
28/06/2012,83970,97510,150158," 136,618 ","-13,540 ",
01/10/2012,103260,138120,212028," 177,168 ","-34,860 ",
16/10/2012,108600,141660,217811," 184,751 ","-33,060 ",-270 
29/11/2012,127290,148130,,"-20,840 ","-20,840 ",
13/12/2012,134260,149520,233895," 218,635 ","-15,260 ",
30/01/2013,156810,151860,240383," 245,333 "," 4,950 ",
27/02/2013,168640,155080,248276," 261,836 "," 13,560 ",
26/03/2013,178710,157810,256247," 277,147 "," 20,900 ",
27/03/2013,179130,157810,256444," 277,764 "," 21,320 ",
30/04/2013,185770,168890,275912," 292,792 "," 16,880 ",
06/06/2013,191350,186140,303362," 308,572 "," 5,210 ",
19/07/2013,198080,205880,321182," 313,382 ","-7,800 ",
26/07/2013,199070,209620,341488," 330,938 ","-10,550 ",
23/09/2013,205860,234660,375289," 346,489 ","-28,800 ",
14/10/2013,211980,238080,382257," 356,157 ","-26,100 "," 6,960 "