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Official SolarCleano & Chemitek Distributor·Spain & Portugal·24/7 Operations
Free engineering tool · Instant result

How much generation is your solar asset losing to soiling?

Input your plant parameters to evaluate the annual energy and revenue lost to soiling, and discover how many cleanings per year deliver optimal net ROI.

Your installation
modules
Wp
Location & energy sales rate
€/MWh
Enter your exact PPA or pool revenue rate if known.
Surrounding environment (select all that apply)
Mounting structure
Current surface condition

Your assessment

Annual generation lost
—kWh
Annual financial loss
—€
Estimated loss ratio
—%

Engineering estimate based on regional solar irradiance and mathematical separation between loose dust (partially washed by rain) and cemented deposits (removable only via mechanical technical washing). The algorithm proposes the frequency maximizing net return on investment (minimum mobilization €1,500 with tiered multi-visit discounts).

Request quote with these numbers
Methodology

How we compute soiling losses

  1. 1 · Baseline yield

    Total DC capacity combined with historical irradiance data for your specific province or district.

  2. 2 · Deposition coefficient

    Calibrated to industrial airborne particulate sources and panel tilt angles.

  3. 3 · Month-by-month simulation

    Soiling compounds during dry summer months; rainfall only strips loose particulates.

  4. 4 · Monetary valuation

    Quantified by multiplying recoverable lost MWh by your current energy feed-in rate.

Final quotation accounts for site logistics, crane access, and water hookups, delivered in 24 hours.

Next steps

Three ways to recover lost solar yield

Frequently asked questions

Questions about the calculator

How accurate is this calculation?

It provides a robust engineering estimate based on regional irradiation databases and empirical derating factors. Exact loss measurement requires on-site IV curve tracing, radiometric thermography, or comparing SCADA production before and after a cleaning visit.

Where does the solar irradiance data originate?

From validated PVGIS and meteorological databases covering all provinces of Spain and districts of Portugal.

Why do you require my email for the report?

To automatically generate and deliver your monthly degradation breakdown PDF. We respect your inbox and never send unsolicited spam.

Does this apply to small solar systems?

The mathematical model works on any scale. Clean Sunny's operational deployment begins at 1,000 modules (utility-scale and commercial rooftops).

Do you service assets across Portugal as well as Spain?

Yes. We maintain dedicated bases in Porto, Barcelona, Madrid, and Seville, operating across the entire Iberian Peninsula.

Formal quote

Prefer an engineer to assess your real plant data?

Share your module count and site location. A project manager will deliver an itemized proposal within 24 hours.

  • Initial technical proposal in under 24 hours
  • Fleet mobilizations across Spain and Portugal
  • Commercial & industrial scale starting at 1,000 panels (€1,500 minimum)

Phone +34 936 555 555 · WhatsApp +34 623 984 040

  1. 1Your facility
  2. 2Contact details
Your facility
Select approximate plant size.
Enter location or address.
Select tilt angle.