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Category: Industry

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Gerilim Enerji

SUCCESS STORY OF GERİLİM ENERGY

About the Project

Project Capacity: Approximately 1 GW

Project Location: Turkey

Project Type: Land – Roof

About Gerilim Energy

Gerilim Energy, an EPC company based in İzmir, active in the field of renewable energy, provides services such as GES installation, operation, maintenance, energy transmission line projects, and high-voltage operation responsibility. The company aims to make life easier for its clients by meeting the essential expectations such as price, quality, and on-time delivery.

As Gerilim Energy, which offers innovative and customer-focused solutions for consultancy, engineering, implementation, and maintenance processes, has contributed to many successful projects.

Problem/Opportunity

Neglecting Cleaning of Solar Panels Leads to Energy Efficiency Losses of Up to 30%

Solar power plants are established with multi-million-dollar investments. However, the inability to clean the panels regularly and properly can cause up to 30% energy efficiency loss while extending the investment return period.

In the sector, there are still issues such as:

  •  Incorrect cleaning practices carried out by untrained personnel,
  • Use of hard water or manual scrubbing methods,
  • Occupational safety risks such as electric shocks

This situation not only reduces the panel efficiency but also shortens their lifespan, leading to significant investments going to waste.

Solution

Safe and Efficient Cleaning with Locally Manufactured Robotic Cleaning Systems

Robys offers a solution to this critical cleaning need encountered in energy plants with 100% locally produced robotic cleaning systems.

  • High cleaning efficiency is achieved with minimal water usage.
  • Accidents caused by untrained personnel are prevented.
  • Cleaning is done without damaging the panels, extending their lifespan.

Thanks to “custom-made” robots, which can be tailored to the plant’s size, solutions can be developed to meet the specific needs of each facility.

Output

As Robys robotic cleaning systems, in addition to the installation service, the outcomes we provide to our customers through the panel cleaning service include:

  • The efficiency of solar panels can be increased by 10% to 30% through robotic cleaning.
  • Solar panel cleaning preserves investments and reduces maintenance costs.
  • By cleaning quickly and efficiently with robots, safety risks and long working hours leading to accidents are reduced.
  • Investors reduce the payback period (ROI) by ensuring facilities operate efficiently.
  • We improve the energy efficiency of our customers, extend the lifespan of panels, and contribute to making their plants more sustainable.
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Tosyalı Holding 

TOSYALI HOLDING CUSTOMER SUCCESS STORY

About the Project

Project Capacity: 140 MWp

Location: Osmaniye, Turkey

Product Used: RTM PRO / 33 Units

Project Type: Rooftop

About the Customer

TOSYALI Holding, operating on 3 continents with nearly 50 facilities and approximately 15,000 employees, has an annual steel production capacity of 15 million tons. It is Turkey’s largest and Europe’s third-largest green steel producer. According to the World Steel Association, it was ranked the 46th largest steel producer in the world in 2024.

Among its energy investments, Tosyalı has commissioned a solar power plant with an installed capacity of 235 MWp, making it one of the largest rooftop solar projects in the world, producing nearly 200 million kWh of electricity annually. With the goal of increasing its total installed capacity to 1.5 GW and reducing its electricity consumption from external sources by more than 85%, it plans to achieve energy independence in steel production.

Focused on sustainability, Tosyalı’s TOSYALI V-Green brand offers low-carbon certified products, and TOSYALI V-Solar supports green panel production. With these efforts, Tosyalı aims to lead green transformation in the steel industry both in Turkey and globally.

Problem/Opportunity

  • Tosyalı Holding’s solar power investment consisting of 280,000 panels became polluted over time due to environmental conditions.
  • Due to its location in an industrial area, dust, pollen, bird droppings, and industrial pollution accumulated on the surface of the panels, reducing light transmittance.
  • The efficiency of the panels decreased, causing up to 30% energy loss in the return on investment.
  • At this scale, the lack of regular and sustainable cleaning led to the loss of millions of kWh of energy.
  • Considering the scale of the investment, panel cleaning became a critical need both economically and in terms of sustainability goals.

Solution

  • Our company’s RTM PRO robots were deployed for the regular and safe cleaning of 280,000 panels.
  • The robots provided maximum efficiency with minimal resource use, thanks to a system that saves water and energy.
  • A special brush and movement mechanism that doesn’t damage the surface extended the lifespan of the panels.
  • With automated operation, the need for human labor was minimized, eliminating occupational safety risks.
  • With planned maintenance and operations, pollution was brought under control and cleaning continuity was ensured.

Outcome

  • Contamination on the surface of 260,000 panels was completely removed, and the panels resumed operating at maximum efficiency.
  • Up to 30% energy loss was eliminated, resulting in millions of kWh of additional energy production.
  • Tosyalı Holding achieved significant energy cost savings through regular cleaning.
  • Panel lifespan was extended, reducing maintenance and replacement costs.
  • Carbon footprint was further reduced, directly supporting Tosyalı’s green steel production vision.
  • Thanks to operational speed, cleaning was completed quickly with no disruption to production.
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Globa Enerji

GLOBA ENERGY SUCCESS STORY

About the Project

Project Capacity: 10 MW

Project Location: Denizli, Turkey

Product Used: YTM SMART

Project Type: Land

About the Customer

Globa Energy is one of Turkey’s innovative companies operating in the field of solar energy. In Denizli, the company established a 10 MW ground-mounted power plant. The company develops robot technologies and uses cleaning panels for solar panels to ensure efficiency. The company, which uses roof-type PV systems besides ground-mounted ones, reduces energy loss thanks to the robots it applies. These robots, specially designed by the company, clean the panel surfaces without water and contribute to energy production. Globa Energy, which exports both energy production and technology, represents Turkey in the global solar energy sector.

Problem/Opportunity

The Solar Power Plant is heavily exposed to dust due to environmental conditions, which significantly reduces the efficiency of the panels. Manual cleaning methods were both time-consuming and inefficient. Cleaning a 10 MW power plant took approximately 10 days, and there were significant energy losses during the cleaning period. Additionally, “hot spot” formations caused by temperature differences on the panels were observed, which also shortened the panel’s lifespan.

Solution

A land-type PV panel cleaning robot specially developed by Globa Energy for the project was introduced. The robot automatically cleans the panel surfaces with pure water and reaches points that manual cleaning cannot access. Within the scope of the project, the use of the robot, the special panel type of the plant, the slope, and the regional dirt rate were taken into account and customized. Comprehensive training was provided to operators on technical training, panel safety, and occupational health and safety.

Outcome

  • Cleaning time was reduced by 80%, and the 10-day operation shortened to 2 days.
  • A significant increase in energy production efficiency was achieved.
  • Panel lifespan increased, and maintenance costs decreased.
  • Investment payback period accelerated.
  • The system continues to produce energy in a sustainable, regular, and risk-free manner.

“The panel cleaning that we previously forced to do in 10 days is now done easily and efficiently in 2 days.”

Muhammed Tuncer – Operations Manager

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Güngör Zeytin

Success Story: A Sustainable Journey from Gemlik to the World

Company Information

Founded by the Güngör family, Güngör Olive started its activities in the 1990s with olive production in the town of Narlıca, Orhangazi, Bursa. The company later expanded into integrated facilities with a focus on quality, sustainability, and innovation. Today, with a storage capacity of 21,000 tons of olives and 6,000 tons of pickles, it produces and exports to more than 20 countries across Europe, the Middle East, and other international markets through a wide distribution network in Turkey. With its R&D investments, it provides innovative solutions to the industry, prioritizing food safety and customer satisfaction.

Problem: Rising Energy Costs and the Need for Sustainability

During the new investment phase, the factory’s high energy demand and rising costs were major challenges in line with sustainability goals. Increasing environmental standards and carbon footprint criteria in international markets made the use of green energy mandatory. However, there were technical difficulties in establishing a solar power plant:

  • Designing a system with sufficient capacity to meet energy needs
  • Adapting panel and robotic cleaning solutions to the unique barrel roof structure of the factory
  • Ensuring efficient and cost-effective operation of the system
  • Maintaining high performance of the solar energy system

Solution: Solar Energy Investment and Robotic Cleaning for Barrel Roofs

In 2014, the factory with barrel-roof architecture was established, and in 2020, a 2.8 MW solar power plant was commissioned. Panels suitable for the roof structure were installed. Since manual cleaning methods were insufficient, a robotic cleaning system suitable for barrel roofs was deployed. Excess energy in summer was sold to the grid for additional income, while in winter, most of the facility’s energy demand was met by the solar plant. Thanks to Robsys’ barrel roof cleaning robot, the investment paid off in only 2 years instead of the expected 7–8 years.

Outputs: Profitable and Sustainable Production

  • The power plant quickly paid for itself with fast ROI.
  • Significant reduction in energy costs; most electricity demand covered by solar energy, with surplus sales in summer.
  • Gained international competitive advantage with green energy use and compliance with eco-friendly production criteria.
  • Increased production efficiency; robotic cleaning preserved panel efficiency despite seasonal pollution.

Conclusion

Güngör Olive’s energy transformation and sustainability investment not only reduced operating costs but also created a model for the industry with its integrated environmental awareness and innovative approach. The factory achieved high-performance solar energy operations with design and maintenance solutions tailored to its unique barrel roof.

“Initially, we expected this investment to pay off in 7–8 years, but thanks to the high efficiency of solar energy, we achieved ROI in just 2 years.”

Ahmet Güngör
Board Member, Güngör Gıda A.Ş

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Sanko

SANKO HOLDING SUCCESS STORY

About the Project

Project Capacity: 70 MWp

Location: Gaziantep

Product Used: RTM Pro – 6 units

Project Type: Rooftop

About Sanko


Sanko Energy is one of Turkey’s leading renewable energy investors. A subsidiary of Gaziantep-based Sanko Holding, the company was institutionalized in 2006 and began operations under the name Sanko Energy Group. Centering sustainability in energy production, Sanko Energy invests entirely in renewable sources. In this vision, its solar power plant investment in Gaziantep is of strategic importance for regional energy supply, environmental sustainability, and local development.

Located in and around Gaziantep Organized Industrial Zone, the facility provides clean energy to industrial enterprises while significantly reducing carbon emissions. With an installed capacity of 70 MWp, Gaziantep SPP can produce approximately 45 million kWh of electricity annually, enough to meet the annual energy needs of around 15,000 households. Additionally, about 30,000 tons of carbon emissions are prevented each year. Sanko Energy’s solar plants not only generate electricity but also serve as a model to promote eco-friendly energy in cities like Gaziantep with high solar potential.

Problem/Opportunity


In hot and dry regions like Gaziantep, traditional water-based panel cleaning methods strain water resources and reduce energy efficiency. Dust, pollen, and industrial particles quickly accumulate on panels, reducing clean energy production by 15–20%. Moreover, the delicate glass surfaces risk damage with conventional cleaning tools, increasing maintenance costs and threatening operational continuity.

Key project criteria included:

  • •Low water consumption technology aligned with sustainability goals
  • •Special cleaning robots that do not damage glass panel surfaces
  • •Systems capable of effective cleaning against heavy dust in Gaziantep
  • •Long-term engineering collaboration between Sanko Energy R&D and cleaning system developers
  • •Sustainable solutions based on minimum water use, energy efficiency, and reduced environmental impact
  • •Fast, autonomous, mobile solutions to clean hundreds of thousands of panels within short periods (e.g., 15 days) in large-scale plants

Solution


To address these needs and ensure climate-friendly power generation, Sanko Energy implemented RTM Pro robotic cleaning systems with low water consumption technology. Thanks to their special brush design and precise movement:

  • •Cleaning without damaging glass surfaces
  • •Removing dust, pollen, and industrial dirt with minimal water
  • •Operating continuously day or night, minimizing cleaning time

As a result, thousands of panels were cleaned quickly, cost-effectively, and without harming the environment, increasing both panel efficiency and lifespan.

Outputs

Successful cleaning of glass-glass panels without damage

Protection of scarce water resources with low water consumption

Up to 13% increase in energy production with regular cleaning

Extended panel life, reduced maintenance frequency and costs

The fast and effective after-sales support was the main reason we chose Robsys.

Mehmet Emin Sallahoğlu – System Engineer

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Dalgakıran

Dalgakıran Solar Power Plant Success Story

About Dalgakıran Compressor

Dalgakıran Compressor, Turkey’s largest industrial compressor manufacturer and exporter, was founded in 1965 by Ömer Dalgakıran in a modest 25 m² workshop in Istanbul. Since its establishment, the company has grown rapidly through continuous investments and today operates a production facility spanning more than 70,000 m².

As one of Turkey’s top 500 exporters, Dalgakıran reliably exports compressors to over 130 countries worldwide, while continuing to invest, grow, and contribute to the development of both industry and the economy.

With over 60 years of experience, a dynamic team, and a commitment to customer satisfaction in an increasingly globalized market, Dalgakıran serves clients across the world through more than 150 dealers, branches, and an extensive service network.

About the Project

A field study was conducted at Dalgakıran’s rooftop solar power plant in the Marmara Region to demonstrate the impact of panel cleaning on both energy generation and economic performance. As part of the study, only one group of panels connected to a designated test inverter was cleaned using a robotic method. Production and thermal data were meticulously analyzed before and after cleaning.

The Challenge

Dust, bird droppings, dirt, and other particles accumulating on the surface of solar panels block sunlight, reducing energy production.

Thermal imaging taken before cleaning showed that dirty panel areas reached surface temperatures as high as 55–60 °C. This demonstrated that dirt was obstructing irradiation absorption, leading to thermal asymmetry and performance losses.

Energy production data clearly revealed the impact of soiling: the test inverter connected to dirty panels produced significantly less compared to reference inverters, with the performance gap becoming more apparent during peak sunlight hours.

If cleaned manually, the main difficulties and risks would have included:

  • Hundreds of hours of intensive labor
  • High water consumption
  • Human error and risk of damage to panel surfaces
  • Significant occupational health and safety risks (due to high rooftops and sloped surfaces)
  • Challenges in operational planning and coordination

The Solution

Using the Robsys RTM Pro product, the robotic cleaning system efficiently cleaned the solar panel surfaces with specially designed brushes and controlled pressure, consuming minimal water. This technology ensured the effective removal of dirt, improving both panel performance and energy output.

Key Benefits of Robsys Robotic Cleaning Systems:

• Speed and Efficiency
The robotic method was approximately 8–12 times faster compared to manual cleaning.

• Safety
Because the cleaning robots were remotely operated, the need for personnel to work at heights was minimized. As a result, occupational safety risks and related operational costs were reduced.

• Water Efficiency
The robots used targeted and controlled water application, consuming 60–70% less water than manual cleaning. This not only lowered costs but also provided a significant environmental advantage by conserving natural resources.

• Quality and Panel Protection
Robots were equipped with specially designed brushes and adjustable pressure settings to avoid damaging panel surfaces. Thanks to these features, the risk of micro-scratches was significantly reduced. Robotic cleaning ensured safe, damage-free cleaning while also enabling more consistent maintenance planning, helping panels operate efficiently for many years.

• Cost-Effectiveness
Although requiring an initial investment, robotic cleaning systems delivered substantial long-term savings in labor, water, and operational expenses.

The Results

• Increased Energy Production
After cleaning, the test inverter produced approximately 15–25% more energy compared to the reference inverters left uncleaned on the same day.

• Improved Thermal Performance
Panel surface temperatures dropped by around 25–30% after cleaning. This indicated that the removal of dirt reduced irradiation blockage and allowed the panels to cool more effectively.

Thermal Images Taken Before Cleaning

Thermal Images Taken from the Field After the Cleaning Process

  • • Economic Impact
    On an annual basis, the project enabled additional energy production measured in the hundreds of thousands of kWh, resulting in significant extra revenue.

    • Cost Savings
    Compared to manual cleaning, robotic cleaning systems provided operational savings amounting to millions of Turkish Lira annually.

    • Return on Investment
    When both energy gains and operational savings were considered, the investment generated meaningful net returns each year. The system typically paid for itself in around two years, after which investors enjoyed substantial net profit.

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Ağır Global

About Project:

Project Capacity: 5 MW

Project Location: Dilovası OSB / Türkiye

Product Used: RTM PRO

Project Type Rooftop

About Ağır Global:

Operating since 1984 in the Dilovası Organized Industrial Zone, one of Turkey’s leading industrial regions, Ağır Global has grown steadily in the iron and steel industry and has become a globally recognized brand, especially across Europe and the Middle East.

Offering a wide range of products including bundled sheets, pipes, profiles, slit strips, and cold-pressed sheets, the company stands out with its high-quality standards and customer-focused production approach.

Today, Ağır Global exports to over 90 countries and manufactures at international standards in its modern facilities in Dilovası.

Problem / Opportunity

Due to intensive industrial operations and steel production at its Kocaeli facility, Ağır Global began facing significant performance losses in its PV system, caused by the accumulation of industrial dust, metal particles, smoke residues, and natural pollutants (such as pollen and bird droppings) on panel surfaces.

As part of its sustainability goals, the company aimed to use energy more efficiently and reduce its carbon emissions. However, traditional cleaning methods proved inadequate. Panel cleaning processes outsourced to third parties became unsustainable, and safety risks due to manual labor further complicated the issue. Consequently, Ağır Global decided to invest in robotic cleaning technology.

Solution:

To prevent the 5% production loss experienced in its 5 MW rooftop solar power plant and to ensure sustainable energy generation, Ağır Global invested in Robsys-brand robotic PV cleaning systems, which are locally manufactured.

Equipped with special brushes that clean without damaging panel surfaces and capable of operating safely even on inclined rooftops, these robots completely eliminated the need for manual cleaning and provided a safe, high-standard cleaning solution.

Through this investment, Ağır Global not only ensured continuity in energy production but also contributed to its environmental targets by reducing carbon emissions.

Output:

The system compensated for the 5% production loss due to soiling in its very first year, achieving return on investment in approximately 18 months.

The factory reduced its energy costs by 60% while also minimizing maintenance and occupational safety expenses. Additionally, it began generating extra income by selling surplus energy on sunny days.

“The system we acquired prevented a 5% production loss in the very first year and paid for itself in just 18 months.”

– Levent Çerezci, CFO, Ağır Global

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