Savings estimate with DD1
 Share
The version of the browser you are using is no longer supported. Please upgrade to a supported browser.Dismiss

View only
 
 
ABCDEFGHIJKLMNOPQRSTU
1
Potential savings estimate with DD1http://www.earth.org.uk/data/WW-PV-roof/raw/sunnybeam.dump.20100616.txthttp://www.earth.org.uk/WW-PV-roof/EVAnalysis201210/
2
EnergyPower
3
4
Cost of each box (applance & conumer unit)10
5
6
7
Retail kWh0.14
8
Yearly OccurenceYearly kWh
9
Cup of tea kWh0.05952.475090947.62375455
10
Slow cook meal for 4 people, kWh1.200
11
TOTAL47.62375455
12
Assume default self-consumption20.00%Percentage from PV
13
70%33.33662818but is 70% too high an estimation? some usage will be at night and even in day it is only the amount that pushes you into importing that should be taken into account?
14
Typical PV size kWp2.5Yearly cost saving4.667127946
15
Coffee pot2
16
toaster1
17
kettle (2.2kw)2.2
18
slow cooker0.2
19
sandwich toaster2
20
electric grill3kw
21
oil fired radiator1.5kw
22
electric heater2kw
23
24
25
DHD PV install kWp5.2
26
DHD generation kWh/y3500
27
DHD gross consumption kWh/y1500
28
DHD import kWh/y1000
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Loading...