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View of Lake Charles Way looking north. View time-lapse footage from our webcam here. The 'pool temperature' shown elsewhere on this website continuously updates from a sensor in the pool you see here. The pavilion nearby supports the solar panels that warm the pool on sunny days. Following is the spreadsheet we use to calculate the electrical cost equivalent of the solar power we generate. |
| Solar Pool Heater Calculator | |
| Gallons per minute through the solar collector | 9.00 |
| Calculated gallons per hour | 540.00 |
| Pounds of water per hour (8.33lb/gallon) | 4498.20 |
| Temp delta between collector intake/output | 7.00 |
| BTU/hour (temp rise x lbs of water) | 31487.40 |
| Kilowatts/hour (BTU x .000293) | 9.23 |
| Hours per day of solar heating | 6.00 |
| BTUs per solar day | 188924.40 |
| KilowattHours per Solar Day | 55.35 |
| Cost per KilowattHour | $.10 |
| Electricity saved | $5.54 |
| 1hp pump KilowattHours | .74 |
| Total Kilowatt hours for 6 hour run | 4.41 |
| Daily cost to run pump | $0.44 |