Solar ponds are man-made pools that collect and store solar energy efficiently. Researchers studied salt gradient solar ponds, which can provide a lot of hot water for different uses. The key to making these ponds work well is how the heat is extracted. By analyzing the energy and exergy using thermodynamics, researchers found ways to improve the efficiency of these ponds. Their study looked at all three zones of the ponds and combined theoretical and experimental results to understand how to make them work better.