Electrostatic solar panel cleaning. Electrostatic solar panel cleaning

US20120285516A1. Intelligent self-cleaning solar panels. Google Patents

Publication number US20120285516A1 US20120285516A1 US13/519,508 US201113519508A US2012285516A1 US 20120285516 A1 US20120285516 A1 US 20120285516A1 US 201113519508 A US201113519508 A US 201113519508A US 2012285516 A1 US2012285516 A1 US 2012285516A1 Authority US United States Prior art keywords panel cleaning solar cleaning device solar panels Prior art date 2010-01-29 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US13/519,508 Inventor George Mckarris Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) VOLOTEK SA Original Assignee VOLOTEK SA Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2010-01-29 Filing date 2011-01-31 Publication date 2012-11-15 Priority claimed from EP10152092 external-priority 2011-01-31 Application filed by VOLOTEK SA filed Critical VOLOTEK SA 2012-06-27 Assigned to VOLOTEK SA reassignment VOLOTEK SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MCKARRIS, GEORGE 2012-11-15 Publication of US20120285516A1 publication Critical patent/US20120285516A1/en Status Abandoned legal-status Critical Current

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Classifications

• H — ELECTRICITY
• H02 — GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
• H02S — GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
• H02S40/00 — Components or accessories in combination with PV modules, not provided for in groups H02S10/00. H02S30/00
• H02S40/10 — Cleaning arrangements

• B — PERFORMING OPERATIONS; TRANSPORTING
• B08 — CLEANING
• B08B — CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
• B08B6/00 — Cleaning by electrostatic means

• B — PERFORMING OPERATIONS; TRANSPORTING
• B08 — CLEANING
• B08B — CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
• B08B7/00 — Cleaning by methods not provided for in a single other subclass or a single group in this subclass
• B08B7/02 — Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
• B08B7/026 — Using sound waves
• B08B7/028 — Using ultrasounds

• F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
• F24 — HEATING; RANGES; VENTILATING
• F24S — SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
• F24S40/00 — Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
• F24S40/20 — Cleaning; Removing snow

• H — ELECTRICITY
• H01 — ELECTRIC ELEMENTS
• H01L — SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
• H01L31/00 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
• H01L31/04 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
• H01L31/042 — PV modules or arrays of single PV cells
• H01L31/048 — Encapsulation of modules

• H — ELECTRICITY
• H01 — ELECTRIC ELEMENTS
• H01L — SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
• H01L31/00 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
• H01L31/04 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
• H01L31/052 — Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells

• H — ELECTRICITY
• H01 — ELECTRIC ELEMENTS
• H01L — SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
• H01L31/00 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
• H01L31/04 — Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
• H01L31/054 — Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
• H01L31/0547 — Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection

• H — ELECTRICITY
• H02 — GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
• H02S — GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
• H02S20/00 — Supporting structures for PV modules

• Y — GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
• Y02 — TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
• Y02B — CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
• Y02B10/00 — Integration of renewable energy sources in buildings
• Y02B10/20 — Solar thermal

• Y — GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
• Y02 — TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
• Y02E — REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
• Y02E10/00 — Energy generation through renewable energy sources
• Y02E10/40 — Solar thermal energy, e.g. solar towers

• Y — GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
• Y02 — TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
• Y02E — REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
• Y02E10/00 — Energy generation through renewable energy sources
• Y02E10/50 — Photovoltaic [PV] energy
• Y02E10/52 — PV systems with concentrators

Abstract

The present invention relates to a method and apparatus for levitating and conveying sand, dust or melting snow deposits off the surface of objects, in particular solar panels, mirrors, glass objects and the like.

Description

The present invention concerns the field of solar panels, and more specifically the field of intelligent and self-cleaning panels.

One of the major problems that has been identified with the use of solar panels (in particular the ones used in deserts and places where the sun illumination is particularly effective, is the frequent dust and sand cleaning off solar panels and glass façades which is needed.

Indeed, a regular cleaning of the solar panels has to be made in order to keep the efficiency at the highest percentage possible.

Efficiency of a solar panel can decrease by as much as 30% due to dirt and dust or even much more due to accumulated snow on the panel.

Solar panel manufacturers advise a minimum of one cleaning a month. In some situation it is not easy to climb to a roof in order to clean the panel.

Traditional cleaning causes scratches to surfaces, which reduces the efficiency of the panel. In most cases cleaning requires solvents, water, personnel time, equipment and machinery.

In addition, such solar panels are usually spread out on large areas to build large surfaces and the cleaning of such large areas is time consuming.

• U.S. Pat. No. 6,076,216 which disclose a method and apparatus for cleaning surfaces of dust by the use of an alternating electrical field with a low power consumption. The amplitude of the electrical field is between 1,000 and 30,000 V/cm and its frequency is from 10 to 1000 Hz.
• US 2002/0134399 discloses a method for collection of lunar dust particles includes the steps of providing a magnetic field source for attracting lunar dust particles, providing magnetic proximity between the lunar dust particles and the magnetic field source, and collecting lunar dust particles by the magnetic field source. An apparatus for the collection of lunar dust particles includes a magnetic field source, a structure for providing magnetic proximity between lunar dust particles and the magnetic field source, and a structure for collecting lunar dust particles by the magnetic field source. The apparatus can be utilized with a lunar living facility, such as a spaceship or lunar base. A self-cleaning solar cell includes at least one solar panel and a movable structure having a magnetic field source adapted for translation over the solar panel to collect accumulated particles.
• US 2007/0017567 discloses systems and materials to improve photovoltaic cell efficiency by implementing a self-cleaning function on photovoltaic cells and on albedo surfaces associated with photovoltaic cell assemblies.
• US 2007/0256732 discloses a photovoltaic module including at least one photovoltaic cell and a transparent layer. The transparent layer is positioned above the photovoltaic cell, wherein the transparent layer has a plurality of protruding parts arranged on at least one surface of the transparent layer, which faces the outside, inside or both of the photovoltaic module.

specifically, an aim of the present invention is to proposed solar panels that are easy to clean in an effective way so that they keep their properties and efficiency over time.

Accordingly, the Applicant has developed an intelligent self-cleaning multilayer layer coating to address the cleaning of surfaces such as solar panels, glass Windows or any similar surfaces that require cleaning.

The surface of a panel is equipped with various detectors such as luminosity, temperature, humidity and others for automatic operation or can be operated manually.

In the case of a transparent surface the light transmission efficiency is monitored regularly and compared with the initial factory calibration.

The intelligent electronics decides to activate the self-cleaning system in relation with the decrease in efficiency taking into consideration the time zone, luminosity, temperature and weather conditions of the region.

The electronics will activate four independent DC powered pulsed electrostatic fields when detecting dirt or sand on the panel or use the same elements on the surface to melt down the snow.

The electronic means (see FIG. 17 ) comprise typically the power input and regulation of the board, a microcontroller, monitoring electronics, electrostatic field power electronics and communication electronics.

This innovative technology uses a small percentage of the power produced by the solar panel and for a very short period of time.

The present invention will be better understood from a detailed description and from the appended drawings which show:

The present invention relates to a method and apparatus for levitating and conveying sand, dust or melting snow deposits off the surface of objects, in particular solar panels, mirrors, glass objects and the like. The principle of a panel according to the present invention is illustrated in FIG. 1. which comprises a panel or any surface on which a conductive coating with different geometries is applied, and then on top a transparent isolating coating is preferably added.

Accordingly, such apparatus employs various geometries of conductive traces (either transparent or opaque) embedded inside a thin layer on the surface of the object.

This invention employs multiple sensors and detectors used to monitor the surrounding, the environment, temperature, humidity and the performance of the object and activate either the cleaning or the snow melting process.

The detection system, the embedded traces on the surface and the power output of the object (in case of a solar panel) are all connected to an intelligent electronic board or circuit that takes decisions when to start any of the processes of cleaning or melting.

Many objects can be connected together, communicate with each other and are connected to a central station for remote monitoring and activation.

Four independent pulsed electrostatic fields, generated from a DC power supply (all other known devices use AC power supplies which require much more electronics and power), use the geometries of traces on the surface of the objects to repel dirt, dust and sand without scratching or damaging the surface of the object. The fields are interlaced with variable phase shift to ensure fast execution time.

Additional ultrasonic waves generated by piezoelectric devices placed on the surface can be used to provide additional cleaning means of dried humid sand, dust and the like.

Traces and electronics are also used for detecting and melting snow deposit off the surface of the object.

This invention saves the use of moving mechanical parts, water, detergent or any other cleaning method.

The power required for the traces on the surface and the electronics is very small. It can be drawn from various sources such as:

In the case of a Photovoltaic solar panel less than 10% of its power is required for less than one minute at least once a day. Otherwise power can be drawn from a battery, utility grid or any other external sources as illustrated in FIG. 1.

In the case of vacuum or thermal solar panels, power can be drawn from their own generated power or any other external sources.

• Photovoltaic solar panels
• Thermal solar panels
• Vacuum solar panels
• Mirrors
• Glass
• Windshields
• Optical surfaces
• Facades etc.

FIGS. 2 to 8 illustrate different shapes of conductive traces according to the present invention. As can readily be understood from these figures, the shapes can be different and have a suitable effect.

FIGS. 9 to 15 illustrate different embodiments as concrete applications of the present invention and the various geometries shown in the figures below and other similar and related geometries to cover different shapes of panels and surfaces.

For example, FIGS. 9. 10 and 11 illustrate two embodiments of photovoltaic and thermal solar panels. In FIG. 9. there is a glass 1 or a polymer 6 with patterned, conductive layer deposited on either surface, with a highly transparent non-conductive resin 2, photovoltaic or thin film solar cells 3 and a back sheet made out of compound material 4.

In FIG. 10. there is in addition a further highly transparent non-conductive resin 2 layer and a thin highly transparent sheet 5 made out of polymers such as Teflon® or another equivalent material.

In FIG. 11. there is in addition a honeycomb backing 7 made out of metal for heat dissipation or out of other material for high rigidity and lightweight backing.

In addition to the elements already discussed with reference to previous embodiments such as the transparent non-conductive resin 2 and the glass or polymer 6 with patterned, conductive layer deposited on either surface, there is a highly reflective parabolic or semi cylindrical mirror or concentrator 8 in FIG. 12 and a thermal solar panel with glass surface 9 in FIG. 13.

In FIGS. 14 and 15. embodiments for facades, Windows and windshields are illustrated where reference 10 identifies a glass sheet and reference 11 identifies double layer glass hermetically isolated by a very high vacuum layer for thermal insulation.

In FIG. 16. an embodiment for vacuum based photovoltaic solar panel is illustrated. This embodiment comprises a solar panel 12 made out of a chamber with upper glass surface hermetically sealed under very high vacuum for thermal insulation. Solar cells 3 are located on the bottom layer. The interest of this configuration is that Photovoltaic cells (or Polycrystalline Silicon) generates lots of heat especially in hot areas where the outside temperature reaches more than 50° C. The efficiency of the cells is reduced by orders of magnitude. Vacuum being one of the best insulator will keep the Polycrystalline silicon at much lower temperature, therefore higher efficiency.

In FIG. 17 the electronic means used in the device are illustrated with a microcontroller, a high voltage source, monitoring means and communication means to implement the principle of the invention.

In FIG. 18. an embodiment of either a solar panel, mirror, reflector, glass surface or the like equipped with either one or multiple piezoelectric devices 13 to create an ultrasonic cleaning waves.

In these configurations, the systems include in addition to the elements already discussed with reference to previous embodiments such as the transparent non-conductive resin 2 and the glass or polymer 6 with patterned, conductive layer deposited on either surface, there is a glass sheet 11 used for windshield, window or façade.

The embodiments and example given in the present application are of course examples that should not be construed in a limiting manner and combinations of different embodiments are possible within the frame of the present invention. Also, it is possible to use equivalent means.

Electrostatic solar panel cleaning

Climate change has increased desertification, which has resulted in the spread of dust and sand particles that negatively affect solar panel efficiency. Solar photovoltaic modules can be affected significantly by dust deposition, affecting their efficiency and performance. Using water-based cleaning methods, however, can be costly and harmful to the environment. Through this project, which extends for a number of years, we are looking for innovative, effective, economical, and sustainable methods that do not depend on water resources for cleaning solar panels. Electrostatic technologies are primarily tested in this project to repel dust particles from the surface of solar panels using electrical charges. Electric charges are created on the panel surface, repelling dust particles and causing them to fall off. In addition to removing dust from solar panels, this method also reduces the need for water-based cleaners.

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Climate Change and Desertification

Climate change has led to an increase in desertification, which has resulted in the spread of dust and sand across various regions of the world (Figure 1) [1]. This increase in dust and sand particles has negatively impacted solar panels, as the accumulation of dust reduces the efficiency of solar panels in converting sunlight into electricity [2]. Dust deposition on the surface of solar panels creates a layer that obstructs the sunlight and reduces the efficiency of solar panels. This phenomenon is known as soiling, and it can cause a significant loss in the power output of solar panels. The severity of soiling depends on several factors such as the location of the solar panels, the type of dust, and the frequency of cleaning (Figure 2). In regions where water is scarce, the conventional method of cleaning solar panels with water may not be feasible. Therefore, alternative methods are required to remove dust from solar panels effectively. The development of innovative and sustainable methods for removing dust from solar panels has become a crucial area of research for many scientists and engineers [3].

Figure 1. The concentration of the dust and particulate matter (PM2.5).

Figure 2. A thick layer of dust on the solar modules.

Solar Photovoltaic Modules and Dust

Solar photovoltaic (PV) technology has become increasingly popular over the years, as source of renewable energy that is clean, reliable, and sustainable [4]. However, the efficiency of solar PV modules can be significantly reduced by dust deposition on the surface of the panels, which can lead to power losses of up to 20%. In this project, we will examine the effects of dust deposition on solar PV modules and explore the possibility of removing the dust without using water. However, there are many methods that can be used for cleaning solar panels. Still, we seek innovative, effective, economical, and sustainable methods that do not depend on water resources for cleaning solar panels (Figure 3).

Figure 3. Cleaning methods for solar panels.

The Effect of Dust Deposition on Power Loss in Solar PV Modules

Dust deposition on the surface of solar PV modules can significantly reduce their efficiency by blocking sunlight and reducing the amount of energy that can be converted into electricity [5]. According to research, dust deposition on solar panels can cause a reduction in energy production by up to 20%, depending on the location and severity of the dust deposition. This can have a significant impact on the performance of solar PV systems, especially in arid and dusty regions where dust deposition is more severe [6].

Removing Dust on Solar Panels without Using Water

One of the main challenges of cleaning solar PV panels is that the use of water can be both expensive and harmful to the environment. In addition, the use of water can also lead to potential damage to the solar panel’s components, such as junction boxes, inverters, and other electronic components. In recent years, there has been increasing interest in developing alternative methods for removing dust from solar PV panels without using water. One of the methods being explored is the use of air-based cleaning technologies, such as brushes, sponges, and other non-abrasive cleaning tools. These tools can be attached to robotic systems that can move across the surface of the solar panels, cleaning them without the need for water. Another approach being explored is the use of electrostatic technologies, which use electrical charges to repel dust particles from the surface of the solar panels [7]. These systems work by creating an electrical charge on the surface of the panel, which repels the dust particles, causing them to fall off the surface [8]. This method is not only effective in removing dust from solar panels but also reduces the need for water-based cleaning methods [9]. Another approach, dry cleaning pads are non-abrasive cleaning tools that can be used to remove dust from solar panels. They are made of microfiber material that attracts dust particles and removes them from the surface of solar panels. Another approach, vibrating cleaners use high-frequency vibrations to loosen and remove dust particles from the surface of solar panels. These cleaners can be attached to robotic systems or handheld devices. One possible solution to the problem of dust accumulation on solar panels is the use of self-cleaning surfaces. Self-cleaning coatings that prevent dust and sand particles from sticking to the surface of solar panels. These coatings use nanostructures that create a water-repellent surface, allowing dust to be removed naturally through rainfall or wind. Nano coatings are ultra-thin layers of protective material that can be applied to the surface of solar panels. They can repel dust particles, preventing them from sticking to the surface of solar panels. This method is effective in reducing the need for frequent cleaning of solar panels. Another possible solution is the use of automated cleaning systems. These systems use robotic cleaners that move across the surface of solar panels and remove dust using non-abrasive tools. These automated systems can operate without water, reducing the environmental impact of cleaning solar panels.

Conclusion

The increase in desertification caused by climate change has led to the spread of dust and sand particles, negatively impacting the efficiency of solar panels. However, by developing innovative and sustainable methods for removing dust from solar panels, we can improve the efficiency of solar panels and reduce our dependence on non-renewable sources of energy. Dust deposition on solar PV modules can have a significant impact on the efficiency and performance of solar PV systems. However, the use of water-based cleaning methods can be both expensive and harmful to the environment. Alternative methods, such as air-based cleaning technologies and electrostatic technologies, are being explored as possible solutions to remove dust from solar panels without using water. By studying the effects of dust deposition on solar PV modules and exploring new methods for removing the dust, we can improve the efficiency and sustainability of solar PV technology, making it an even more attractive option for clean and renewable energy production. There are several methods available to remove dust from solar installation panels without using water. By using non-abrasive tools, robotic systems, and nano coatings, we can effectively remove dust from solar panels while reducing the environmental impact of water-based cleaning methods. In this project, our research is primarily focused on the use of electrostatic technologies, which use electrical charges to repel dust particles from the surface of the solar panels. These systems work by creating an electrical charge on the surface of the panel, which repels the dust particles, causing them to fall off the surface. This method is not only effective in removing dust from solar panels but also reduces the need for water-based cleaning methods. As part of this project, which will continue for a number of years, we hope to develop innovative, efficient, economical, and sustainable methods that do not rely on water resources to clean solar panels.

References

• Aaron van Donkelaar, Randall V. Martin, Michael Brauer, N. Christina Hsu, Ralph A. Kahn, Robert C. Levy, Alexei Lyapustin, Andrew M. Sayer, and David M. Winker. Global Estimates of Fine Particulate Matter using a Combined Geophysical-Statistical Method with Information from Satellites, Models, and Monitors. Environmental Science Technology 2016 50 (7), 3762-3772.
• M. Mani, R. Pillai, Impact of dust on solar photovoltaic (PV) performance: Research status, challenges and recommendations. Renew. Sustain. Energy Rev. 14, 3124–3131 (2010).
• R. R. Cordero, A. Damiani, D. Laroze, S. MacDonell, J. Jorquera, E. Sepúlveda, S. Feron, P. Llanillo, F. Labbe, J. Carrasco, J. Ferrer, G. Torres, Effects of soiling on photovoltaic (PV) modules in the Atacama Desert. Sci. Rep. 8, 13943 (2018).
• B. S. Yilbas, H. Ali, M. M. Khaled, N. Al-Aqeeli, N. Abu-Dheir, K. K. Varanasi, Influence of dust and mud on the optical, chemical, and mechanical properties of a PV protective glass. Sci. Rep. 5, 15833 (2015).
• T. Sarver, A. Al-Qaraghuli, L. L. Kazmerski, A comprehensive review of the impact of dust on the use of solar energy: History, investigations, results, literature, and mitigation approaches. Renew. Sustain. Energy Rev. 22, 698–733 (2013).
• M. R. Maghami, H. Hizam, C. Gomes, M. A. Radzi, M. I. Rezadad, S. Hajighorbani, Power loss due to soiling on solar panel: A review. Renew. Sustain. Energy Rev. 59, 1307–1316 (2016).
• Panat, Sreedath, and Kripa K. Varanasi. Electrostatic dust removal using adsorbed moisture–assisted charge induction for sustainable operation of solar panels. Science Advances, (2022). https://doi.org/abm0078.
• H. Kawamoto, T. Shibata, Electrostatic cleaning system for removal of sand from solar panels. J. Electrostat. 73, 65–70 (2015).
• H. Kawamoto, Electrostatic cleaning equipment for dust removal from soiled solarpanels. J. Electrostat. 98, 11–16 (2019).

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Global Solar Panel Cleaning Market – Industry Trends and Forecast to 2029

Global Solar Panel Cleaning Market, By Technology (Wet Cleaning, Dry Cleaning), Process (Semi-Automated, Automated, Water Brushes, Electrostatic, Automated Robotic), Mode of Operation (Manual, Autonomous), Application (Residential, Commercial, Industrial and Utility) – Industry Trends and Forecast to 2029

Market Analysis and Size

Solar energy is becoming more popular in developing countries. Governments around the world are promoting solar energy. This has prompted solar panel cleaning equipment manufacturers to establish local production of robotic solar panel cleaning systems. During the forecast period, this is expected to drive the solar panel cleaning equipment market. These determinants will significantly aid the market traction over the forecast timeframe.

Global Solar Panel Cleaning Market was valued at USD 591.00 million in 2021 and is expected to reach USD 1,505.63 million by 2029, registering a CAGR of 12.40% during the forecast period of 2022-2029. In addition to the market insights such as market value, growth rate, market segments, geographical coverage, market players, and market scenario, the market report curated by the Data Bridge Market Research team also includes technological advancements, regulatory framework, PESTEL, porter’s five forces analysis, industry standards-at a glance, raw material costs/ operational expenditure-overview, supply chain analysis, vendor selection criteria, pricing analysis, production analysis, and climate chain scenario.

Report Scope and Market Segmentation

Report Metric

2020 (Customizable to 2019. 2014)

Revenue in USD Million, Volumes in Units, Pricing in USD

Technology (Wet Cleaning, Dry Cleaning), Process (Semi-Automated, Automated, Water Brushes, Electrostatic, Automated Robotic), Mode of Operation (Manual, Autonomous), Application (Residential, Commercial, Industrial and Utility)

U.S., Canada, Mexico, Brazil, Argentina, Rest of South America, Germany, France, Italy, U.K., Belgium, Spain, Russia, Turkey, Netherlands, Switzerland, Poland, Norway, Finland, Rest of Europe, Japan, China, India, South Korea, Australia, Singapore, Malaysia, Thailand, Indonesia, Philippines, Rest of Asia-Pacific, U.A.E, Saudi Arabia, Egypt, South Africa, Israel, Nigeria, Algeria, Angola, Ghana, Rest of Middle East and Africa

Premier Solar Cleaning, LLC. (U.S.), AEET Energy Group GmbH (Germany), Dow (U.S.), Wuxi Suntech Power Co., Ltd. (China), Belectric (Germany), Carmanah Technologies Corp (Canada), Dyesol Ltd. (Australia), Solarwatt (Germany), Hanergy Holding Group Limited (China), Ertex Solartechnik GmbH (Germany), Canadian Solar (Canada), Tesla (U.S.), NanoPV Solar Inc. (U.S.), Greatcell Solar Materials (Australia),The Solaria Corporation (U.S.). Taiyo Kogyo Corporation (Japan) and Onyx Solar Group LLC (Spain)

Market Definition

Solar panel cleaning removes accumulated particles from the panel surface such as atmospheric dust, bird droppings, ashes from wildfires, and other debris. The cleaning procedure is used to improve the power conversion capability of solar panel modules. There are several methods available on the market for keeping solar panels clean, ranging from manual washing to fully automated technologies. Solar panels are the most advanced renewable energy technology in the history of the electrical generation industry.

Solar Panel Cleaning Market Dynamics

This section deals with understanding the market drivers, advantages, opportunities, restraints and challenges. All of this is discussed in detail as below:

With the increase in demand for power generation, emerging economies are seeing Rapid commercialization, which further boosts the demand for solar panels. Furthermore, an increase in solar panel installation in the agriculture and utility sectors is also expected to drive the solar panel cleaning equipment market during the forecast period.

Furthermore the rising infrastructural developments owing to escalating economic development also accelerates the market growth. over, the increasing industrialization and urbanization is projected to boost the market demand over the forecast period. over, the growing demand for highly efficient hot water generation among end-users and ongoing refurbishment of existing systems will drive product adoption in these establishments.

Furthermore, the favorable government incentives and subsidies toward the deployment of solar panels further extend profitable opportunities to the market players in the forecast period of 2022 to 2029. In addition, the various technological advancements and the integration of robotics technology offers lucrative growth opportunities for the market.

Restraints/Challenges

The snow, high temperatures, dust, dirt, bird droppings, and pollen are some of the major factors that reduce or impede the generation of power for PV panels. The dust on the surfaces of PV panels significantly impacts electricity production, reducing efficiency by up to 50% in a dusty environment, driving the need for the adoption and use of solar panel cleaning techniques.

However, the high cost of cleaning systems and installations, the need for a large workforce, and water consumption are some of the factors limiting the growth of the solar panel cleaning market. As a result these factors will further pose as a serious challenge to the growth of the solar panel cleaning market.

This solar panel cleaning market report provides details of new recent developments, trade regulations, import-export analysis, production analysis, value chain optimization, market share, impact of domestic and localized market players, analyses opportunities in terms of emerging revenue s, changes in market regulations, strategic market growth analysis, market size, category market growths, application niches and dominance, product approvals, product launches, geographic expansions, technological innovations in the market. To gain more info on the solar panel cleaning market contact Data Bridge Market Research for an Analyst Brief, our team will help you take an informed market decision to achieve market growth.

COVID-19 Impact on Solar Panel Cleaning Market

The recent outbreak of coronavirus had a negative impact on the solar panel cleaning market, as the pandemic has had a significant impact on solar panel industry’s supply chain. As the solar panel cleaning market is largely dependent on solar panel market, the overall industry is projected to have negative impact. The COVID-19 outbreak has presented numerous challenges for of solar panel market, as well as significant economic uncertainty globally. Lockdowns and import-export restrictions have been imposed around the world as a result of the spread of COVID-19. Due to numerous precautionary lockdowns imposed by governments to control the spread of disease, substantial interruptions in various production and supply-chain processes have resulted in significant financial losses for the market. This has invariably hampered the growth of the worldwide market. Due to supply problems, shelter-in-place restrictions, and project financing tightening, solar panel installations are expected to fall significantly in 2020. As a result, the market will grow at a slower rate than usual in the foreseeable future.

Global Solar Panel Cleaning Market Scope

The solar panel cleaning market is segmented on the basis of technology, process, mode of operation and application. The growth amongst these segments will help you analyze meagre growth segments in the industries and provide the users with a valuable market overview and market insights to help them make strategic decisions for identifying core market applications.

Solar Panel Cleaning Market Size,Share,Trend And Analysis

The global Solar Panel Cleaning Market size was worth 559.9 million in 2021 and is expected to grow to USD 1,236.4 billion by 2030, at a CAGR of 10.89% during the forecast period.

The solar panel cleaning market is a subset of the larger solar industry and refers to the cleaning and maintenance of solar panels to ensure their optimal performance. Solar panels can become dirty due to various factors such as dust, dirt, and bird droppings, which can reduce their efficiency and power output.

The market for solar panel cleaning services has been growing in tandem with the growth of the solar industry. As the number of solar installations increases, the demand for maintenance and cleaning services also rises.

The market is segmented into residential, commercial, and utility-scale cleaning services. Residential cleaning services are typically offered by local contractors or cleaning companies, while commercial and utility-scale cleaning services are provided by specialized companies that have the expertise and equipment to handle large-scale cleaning projects.

The adoption of new technologies such as automatic cleaning systems, drones, and robots is also expected to drive the growth of the solar panel cleaning market. These technologies can increase the efficiency and safety of cleaning operations and reduce the cost of maintenance.

In summary, the solar panel cleaning market is an important and growing segment of the solar industry that is driven by the need to maintain the efficiency and performance of solar installations. As the solar industry continues to grow, the demand for solar panel cleaning services is expected to increase.

Solar Panel Cleaning Market Player’s Analysis

In finalizing their position in this market player positioning, recent events for these firms, such as new solution/product releases, marketing projects, RD, partnerships, mergers acquisitions, regional expansions, and technical innovations, are considered. The report also includes detailed profiles of key players such as

• Belectric
• Boson Robotics Ltd.,
• AEET Energy Group GmbH,
• Ecoppia,
• Karcher,
• Kashgar Solbright Photovoltaic Technology Co., Ltd.,
• NOMADD
• Tesla,
• Premier Solar Cleaning, LLC,
• Carmanah Technologies Corp,
• Saint-Gobain Surface Conditioning,
• Serbot AG,
• Sharp Corporation,
• SunBrush mobil GmbH
• among other.

Global Solar Panel Cleaning Market Segments:

By Application

By Mode of Operation

Solar Pumps Market

Solar Pv Panels Market

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