What Clean Solar Solutions does

Clean Solar Solutions Ltd is a UK-based specialist solar operations and maintenance (O&M) company founded in July 2013 by Steve Williams. The company provides commercial-grade solar panel cleaning (manual and robotic), preventative maintenance and repairs, bird proofing and deterrent systems, IR drone and handheld thermal imaging, ground maintenance, lichen removal, and Latchways mansafe system testing for rooftop, carport, ground-mount, and floating solar arrays. It also delivers global solar panel cleaning consultancy and training through the International Solar Cleaning Academy (ISCA), and distributes Polywater specialist cleaning chemicals. The firm has cleaned over 800,000 solar panels to date across landmark projects including the 37.3MW Bournemouth Airport solar farm (149,000+ panels), BMW Mini Plant Oxford, Screwfix HQ, B&Q Swindon, and multi-MW contracts for Solarcentury, SMA, Anesco, British Solar Renewables, Silverstone Green Energy, Natural Generation, and Greencells.

Name

Clean Solar Solutions

Legal name

Clean Solar Solutions Ltd

Website

https://cleansolar.solutions

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

1–10 employees

Short description

Clean Solar Solutions is a UK specialist solar O&M company that delivers commercial-grade solar panel cleaning, maintenance, bird proofing, thermal imaging, and training for rooftop, carport, and ground-mount PV arrays across the UK, Ireland, and the US.

Ownership category

akta.pro rank

Product category

Solar O&M Services

NAICS

Janitorial Services (561720)

SIC

Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Solar Panel Cleaning (HSAEAJAL)

akta.pro secondary industry

Solar Quality, Testing, Certification & Standards (Lab Testing, Inspections, Compliance) (EUAMABAN)

Keywords

• Solar panel cleaning
• Solar O&M services
• PV maintenance
• Bird proofing solar
• Thermal imaging inspection

Headquarters

HQ city

Telford

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Solar Panel Cleaning Services: Core revenue stream from commercial and residential solar panel cleaning. Services include manual cleaning, robotic cleaning, and chemical cleaning. The company offers a guaranteed 24-hour response time for commercial clients. Revenue is generated on a per-job basis for one-time cleans or as part of ongoing O&M contracts.
2. Operations and Maintenance (O&M) Contracts: Bespoke O&M packages for solar arrays including maintenance, servicing, repairs, remote monitoring, thermal imaging, bird proofing, and ground maintenance. These contracts provide recurring revenue and are tailored to client needs as arrays come out of warranty.
3. Solar Panel Consultancy and Training: Global solar panel cleaning consultancy providing advice on cleaning schedules, ROI optimization, equipment selection, warranty compliance, and large-scale cleaning strategies. Also includes safety awareness training courses delivered internationally through ISCA partnership.
4. Remote PV Monitoring Services: Reseller of EnergyBit monitoring packages (EnergyBit Control and EnergyBit Control Lite) for solar arrays from 30KW to 50MW. Provides monthly/quarterly/annual reporting, fault detection ticketing, and 24/7 monitoring from a UK-based control room.
5. Solar Installations and PV Solutions: Solar installations for residential and commercial properties including PV only, PV & battery, and PV, battery & EV charger packages. Services include free initial consultation, datalogger installation, detailed system report, and full installation with 2-year warranty.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

Clean Solar Solutions provides specialist operations and maintenance (O&M) services for commercial and residential solar arrays across the UK, Ireland and beyond. Their core offerings include solar panel cleaning (manual and robotic), PV maintenance, servicing and repairs, bird proofing and deterrents, IR drone and handheld thermal imaging, remote PV monitoring resold through EnergyBit, ground maintenance, and lichen removal. They also deliver solar panel cleaning consultancy and ISCA-accredited safety training globally, and distribute Polywater specialist cleaning fluids. The company treats solar panel cleaning as live electrical maintenance with formally trained technicians rather than generic cleaning work.

Product overview

Clean Solar Solutions is an award-winning solar O&M company offering an integrated suite of services for commercial and residential solar panel owners. The core offering revolves around PV Maintenance, Servicing & Repairs combined with Solar Panel Cleaning (both manual and robotic methods), supplemented by monitoring through EnergyBit Remote PV Monitoring, thermal imaging via IR Drone & Handheld Thermal Imaging, and Bird Proofing & Deterrents to prevent output losses. Additional specialist services include Lichen Removal, Wind Turbine Cleaning, Latchways Mansafe Testing, Ground Maintenance, and Consultancy & Training. The company also holds a Polywater distribution contract for specialist cleaning chemicals. Services are offered across the UK, Ireland, America, Belgium, and the Netherlands, with operations since 2013.

Differentiator

Problem solved

Functional benefit

Products and services

• PV Maintenance, Servicing & Repairs
• Solar Panel Cleaning
• IR Drone & Handheld Thermal Imaging
• EnergyBit Remote PV Monitoring
• Bird Proofing & Deterrents
• Ground Maintenance
• Lichen Removal
• Wind Turbine Cleaning
• Latchways Mansafe Testing
• Consultancy & Training
• Solar Installations & PV Solutions

Quantifiable outcome

• A 62% performance ratio loss on a 90KW solar array in Aberdeen was restored to over 95% after professional cleaning and bird deterrent installation.
• +3 more outcomes

Named customers16 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• PolywatercoreChannel Partner/ Reseller/ Distributor · 18 October 2019Clean Solar Solutions secured a distribution contract with American chemical supplier Polywater for solar panel cleaning fluids. Polywater selected Clean Solar Solutions because of their expert status in the PV panel cleaning market. The partnership aligns with Polywater's goals to be go-to specialists and market leaders in the global PV cleaning market. Polywater's General Manager Klaas Litooj noted Clean Solar Solutions' alignment with their company goals.
• EnergyBitcoreTechnology or Integration · 16 March 2019Clean Solar Solutions launched a reseller partnership with remote PV monitoring package provider EnergyBit. Clean Solar Solutions resells EnergyBit Control and EnergyBit Control Lite monitoring packages for solar arrays from 30KW to 50MW. This partnership allows the company to address the need for reliable remote monitoring for commercial clients who often have no monitoring or sub-standard systems.
• CleandronecoreTechnology or IntegrationClean Solar Solutions formed a drone surveying partnership with Swansea-based Cleandrone, a professional drone surveying company. Cleandrone surveys utility scale solar farms and large roof mounted solar arrays using octocopters equipped with high quality visual and thermal imaging cameras, irradiance meters, and powerful onboard computers that analyze data in real time and provide accurate, automated reports.
• Solar Energy UK (formerly Solar Trade Association)coreStrategic or Co-development PartnerLong-standing member of Solar Energy UK. Steve Williams serves as Vice-Chair of the O&M Working Group (Utility Scale Operations & Management Working Group) and Chair of the Rooftop O&M Working Group. The company helped develop the STA Rooftop O&M Best Practice Guidelines, with Steve Williams writing the Access, Training & Cleaning sections and chairing panel discussions at industry events.
• International Solar Cleaning Academy (ISCA)coreStrategic or Co-development PartnerSteve Williams founded the International Solar Cleaning Academy (ISCA), which educates solar professionals globally and promotes best practices in solar panel cleaning and safety. Clean Solar Solutions staff deliver ISCA training courses in-person in the UK and USA. Online country-specific versions of the course are available for multiple countries including USA, UK, Australia, Canada, South Africa, New Zealand, India, Brazil, Netherlands, Germany, France, Italy, Peru, Argentina, Bolivia, Mexico, Colombia, Puerto Rico, and Chile. Over 400 people globally have been trained.
• Clean Solar Solutions America LLCcoreOthersSteve Williams, along with other business partners, set up Clean Solar Solutions America LLC to replicate the technical knowledge, expertise, and high levels of safe systems of work from the UK across the US. Plans for 2025 include Steve Williams moving permanently to Las Vegas to further expand into the US solar industry.
• Beco EnergyminorStrategic or Co-development PartnerClean Solar Solutions was chosen as an operations and maintenance partner with Beco Energy, a well-established renewables company based in Totnes in Devon, established in 1979. Clean Solar Solutions provides specialist O&M services for Beco Energy's solar portfolio.
• Solar O&M Consultancy LtdminorStrategic or Co-development PartnerSteve Williams operates his own consultancy firm Solar O&M Consultancy Ltd, separate from Clean Solar Solutions. Services include solar design assessments for safety and operational efficiency, O&M and cleaning operations, fire risk assessments for solar arrays, soiling loss calculations, and bespoke O&M scopes and costings for third-party solar companies.

Scale indicators22 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Beco Energy: Well-established Devon-based renewables company (since 1979) providing O&M services for solar portfolios. Beco Energy is a UK solar O&M peer and partnership customer of Clean Solar Solutions.
• Lightsource BP: Global solar developer and operator with significant UK utility-scale solar operations and O&M capabilities. Lightsource BP was shortlisted alongside Clean Solar Solutions for the 2022 Best Solar O&M Company award, confirming direct competitive overlap in the UK solar O&M market.
• Cobalt Energy: UK O&M provider for utility-scale solar, including the 15MW Bognor Regis solar farm. Cobalt is a direct peer in solar O&M services and a customer of Clean Solar Solutions for cleaning services.
• Greencells: German EPC giant with utility-scale solar operations across Europe. Greencells has awarded CSS a ground maintenance contract for 5 UK solar farms (117+ acres) and is comparable as a European solar EPC and asset operator with O&M requirements.
• Natural Generation: Leading UK renewables company based in the South West, caring for O&M on over 100MW of solar installs. Natural Generation is a direct O&M provider that subcontracts specialist cleaning to Clean Solar Solutions (60MW+ cleaned since 2014), and competes for direct array owner contracts in the same market.
• Anesco: UK's leading energy efficiency solutions company and one of the fastest-growing companies in the UK solar space. Anesco is both a customer of Clean Solar Solutions (subcontracting solar panel cleaning and bird proofing) and a peer offering competing solar O&M and maintenance services across residential and commercial portfolios.
• Silverstone Green Energy: UK solar asset manager maintaining over 600MWp of solar farms across the UK. Silverstone is a direct O&M peer and a customer of Clean Solar Solutions (45MW+ cleaned in 2016), serving overlapping customers with similar managed service offerings.
• British Solar Renewables: Multi-award winning UK integrated solar power company delivering large-scale solar farms since 2010. BSR is a peer in solar asset management and O&M, and a customer of Clean Solar Solutions for projects including the Westover Solar Farm.

Broad incumbents

• RES (Renewable Energy Systems): Global renewable energy developer and operator with significant solar, wind, and storage operations including O&M. RES is a broad incumbent comparable to CSS at the larger end of the solar O&M market, competing for utility-scale contracts and offering comprehensive asset management services.
• Solarcentury (Statkraft): UK's leading solar EPC (2016) with 500MW+ installed, now owned by Statkraft. Solarcentury is a broad incumbent comparable to CSS as a UK solar market leader, and a customer of Clean Solar Solutions (110,000+ panels cleaned), with overlapping O&M and asset management capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/clean-solar-solutions-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Clean Solar Solutions