Solar energy is receiving wide attention around the world due to its importance among renewable energy sources. But rising ambient temperature has a negative effect on the performance of solar cells, as it leads to a decrease in output power production and harms the life of the cells. In this work, drinking water delivered to homes was used to cool solar cells. The experiment will be conducted in the summer of 2020, the sixth month. It was noted that the temperature of the solar panels increased to double the ambient temperature, and this increase in temperature led to a deterioration in the performance of the solar panels. After using the cooling system, (85%) of the lost energy due to the increase in temperature was recovered. The temperature of the solar panels dropped to 27 oC from 68 oC before cooling. Resulting in the rise in voltage and output power from (17.42 V ), (88.55W ) to (23.36V ), (110.92 ) respectively.