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Official SolarCleano & Chemitek Distributor·Spain & Portugal·24/7 Operations
Solar panel cleaning for utility-scale farms and industrial rooftops
Spain & Portugal · Starting from 1,000 modules

Solar panel cleaning for utility-scale farms and industrial rooftops

We restore solar generation across large-scale assets using heavy-duty SolarCleano robots and proprietary pure reverse-osmosis water. A single crew cleans 1,500 panels per day. Detailed commercial proposals in under 24 h.

Response within 24 hours · Over 30 years of industrial engineering experience

  • Official SolarCleano & Chemitek Distributor
  • ISO 14001 Environmental Certification
  • REA Accredited Contractor
  • Over 30 years of industrial experience
  • Technical proposal within 24 hours
Installation configuration

Solar module cleaning engineered for ground-mounted farms and commercial rooftops

The pure-water method remains identical; site access, table geometry, and water logistics are adapted.

Ground-mounted solar farms and tracker arrays

Ground-mounted solar farms and tracker arrays

  • Utility-scale solar fields starting from 1,000 modules
  • Robot and water transport along inter-row corridors
  • Systematic row-by-row cleaning while the plant continues generating
Utility-scale solar farm cleaning
Cleaning methodology

How we clean: pure reverse-osmosis water and SolarCleano robotics

Proprietary reverse-osmosis pure water
WATER

Proprietary reverse-osmosis pure water

Generated in our mobile filtration units. 0 ppm dissolved solids: modules dry 100% streak-free without mineral deposits.

Cleaning with pure RO water
Robot SolarCleano L1 limpiando paneles solares
ROBOTS

SolarCleano heavy-duty robots

Calibrated microfiber brush pressure approved by module manufacturers. The robot moves continuously while operators control from safe ground.

SolarCleano Robots

We exclusively clean with pure RO water. We never perform dry cleaning.

Scope of work

What is included in a Clean Sunny solar cleaning contract

  1. Pre-cleaning site review

    We assess photos and plant data to evaluate soiling type, slope, and water access points.

  2. Uninterrupted operation scheduling

    We organize site execution by strings and agree on calendar dates with your O&M team.

  3. Robotized pure RO water washing

    Targeted Chemitek chemical remediation applied wherever severe soiling requires it.

  4. Photographic handover report

    High-resolution before-and-after imagery for each section to verify restored performance.

Comprehensive O&M recurring maintenance agreements

Pricing guidance

Operational capacity: 1,500 to 3,000 modules per day

We deploy mobile workshop vans fully equipped with SolarCleano robots, heavy-duty hoses, and on-board RO water generation.

Request proposal
1.500modules per day per crew
3.000modules per day with dual crews
<24hto deliver tailored proposal
Commercial rooftop with dust-covered solar modules before technical cleaningBefore
The same commercial rooftop with clean solar panels after robotic RO washingAfter
The same commercial rooftop, before and after technical cleaning with pure RO water.
Proven Field Results

Industrial rooftop solar panel cleaning: before and after

  • Before: Uniform dust and soiling film across glass with dirt accumulation at lower frame edges.
  • After: Crystal-clear glass without residues or lime marks, rinsed with pure demineralized RO water.

The soiling layer reduces irradiance across the entire string. Restoring glass transmission increases generation yield immediately on following days.

Robotic Operations

SolarCleano Robots on Rooftops and Ground Plants

Authentic footage of robotic solar module cleaning with pure demineralized RO water.

Pricing guidance

Indicative rates for commercial solar module cleaning

01

Module count

Higher module volume increases daily crew productivity and lowers unit cost.

02

Soiling intensity

Fine calima dust, cement works, or stubborn bird fouling require tailored chemical remediation.

03

Accessibility & tilt

Rooftop lifelines, perimeter stairs, ground tracker clearances, and table tilt angles.

04

Pure water logistics

Mobilization of the mobile reverse-osmosis unit and specialized water transfer equipment.

We operate on projects starting from 1,000 modules and quote each facility individually.

Calculate your yield loss
Loss Calculator

How much generation is soiling costing your plant?

Enter three basic variables to instantly estimate annual revenue losses. A comprehensive technical report is sent directly to your inbox.

Your facility variables
modules
€/MWh
If unsure, keep standard 130 €/MWh.
Full version of the calculator: capacity, environment, mounting & degradation
Annual lost generation
—kWh
Annual revenue loss
—€

Select province to calculate losses.

Conservative estimate based on standard regional solar irradiation data. The full report factors in specific facility geometry.

Maintenance agreements

Key advantages of an annual recurring cleaning program

Lock in prime cleaning dates right before peak solar generation seasons with prioritized scheduling.

Explore contract terms
Why Clean Sunny

Why Choose Clean Sunny for Industrial Solar Cleaning

Proprietary Technology

Official SolarCleano distributor in Spain and Portugal: we work daily with the certified robots we distribute.

Warranty & Module Integrity

Manufacturer-calibrated brush pressure, pure demineralized reverse osmosis water, and Chemitek certified cleaners.

24/7 Rapid Response

24-hour initial commercial turnaround across Spain and Portugal.

Over 30 years maintaining structures and facades for leading industrial clients since 1992.

Cleaning FAQ

Frequently asked questions regarding solar panel cleaning

Why not clean solar panels with standard tap water?

Mains tap water contains calcium, magnesium, and dissolved salts. When dried under high solar irradiance, they form a permanent chalky scale that severely impairs cell transmission.

Can robot brush pressure damage solar glass?

No. SolarCleano robots are certified by global module manufacturers. Brush rotation and surface contact pressure are strictly calibrated to protect anti-reflective coatings.

How do you handle baked-on bird droppings?

We apply Chemitek biodegradable specialized agents that dissolve stubborn uric acid deposits without scratching glass or degrading silicone edge seals.

Does the solar plant need to be shut down during cleaning?

No. Work is executed section by section, keeping inverters fully operational and grid feed-in active throughout the intervention.

Commercial Proposal

Request a tailored proposal for your installation

Tell us how many panels you have and where they are located. A technical specialist responds within 24 hours.

  • First commercial response within 24 hours
  • 24/7 service across Spain and Portugal
  • Under 1,000 modules: minimum service €1,500

Phone 936 555 555 · WhatsApp 623 984 040

  1. 11. Your installation
  2. 22. Contact details
1. Your installation
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