How Much Are Your Dirty Solar Panels Costing You Per Month?
Calculate the monthly cost of skipping solar panel cleaning, with real San Diego numbers.
Cleaning isn't guaranteed to pay for itself. Estimate its value using measured additional generation, your actual electricity or export rate, and the service cost. Seasonal changes, weather, shading, and equipment faults can also affect output.
The math: production loss × your kWh rate
Soiling can reduce output, but loss and cleaning value depend on your own system, weather, buildup, and electricity rate. Compare monitoring data under similar conditions. We don't promise a fixed production gain or payback.
Why the number gets worse over time
Dirt and debris can block sunlight, but the effect varies with the amount of buildup, panel tilt, rainfall, shading, and equipment condition. We don't have a verified typical loss figure for San Diego homes. Compare monitoring data under similar weather conditions before and after cleaning rather than expecting a fixed percentage gain.
What a cleaning typically recovers
Cleaning isn't guaranteed to pay for itself. Estimate its value using measured additional generation, your actual electricity or export rate, and the service cost. Seasonal changes, weather, shading, and equipment faults can also affect output.