M&V Solar Water Heating Guideline - Eskom
M&V Solar Water Heating Guideline - Eskom
M&V Solar Water Heating Guideline - Eskom
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Measurement and Verification Standard <strong>Guideline</strong> for Low Pressure <strong>Solar</strong> <strong>Water</strong> <strong>Heating</strong> Systems v1r1<br />
Figure 28: Yearly Thermal Performance Model Report<br />
Table 10. Hot <strong>Water</strong> Usage Profile and Thermal Performance Model Comparison<br />
Hot <strong>Water</strong> (1 kettle) at 96 o C<br />
Litres of Cold <strong>Water</strong> at 16 o C<br />
( 4 kettles x 1.8 l) mixed with<br />
1kettle x 1.8 l (hot water at 96 o C)<br />
Litres per a<br />
kettle<br />
41<br />
Litres total Used<br />
a day<br />
1.80 19.80<br />
Kettles used<br />
per day<br />
11<br />
7.20 79.20 44<br />
Base Line<br />
Mixed <strong>Water</strong> total litres Base<br />
Line (used as an input to the<br />
Thermal Performance Model)<br />
99.00<br />
Temperature of the mixed water<br />
Base Line<br />
Electrical Energy used Base Line<br />
33.60<br />
[kWh]<br />
2.05<br />
Performance<br />
February July<br />
Annually *<br />
( per 365 Days)<br />
Model output per month [ kWh] 115.60 40.10 1184.81
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