小澤メンテナンス Product Lineup

Our company provides a comprehensive solution from the construction of solar panels to maintenance and performance diagnosis. The "Hybrid Maintenance" we offer is a maintenance approach where humans and machines work together. By combining human sensitivity with machine operations, we achieve the highest quality results. While solar panels are advertised as maintenance-free, dirt on the panel surface becomes increasingly difficult to remove over the years, leading to a decrease in power generation. We help you verify whether your panels are generating their original output and propose tailored solutions for our customers. 【Features】 ■ Repowering - Supports the restoration of power generation performance through cleaning tailored to the level of dirt. ■ Performance Diagnosis - Detects issues early through various diagnostic methods, improving power generation efficiency. ■ Construction Planning - Assists with installation and electrical work in various situations. *For more details, please refer to the related links or feel free to contact us.

• Solar power generator
• Other services

【Preventing risks in advance and maximizing the economic efficiency of grid storage batteries】 We provide essential specialized maintenance services for ensuring system safety and stable operation in the expanding grid storage battery market. 【Importance of maintenance for grid storage batteries】 For grid storage batteries, responding after a problem occurs is too late, as unplanned downtime can lead to catastrophic losses. Additionally, due to the complexity of battery control and thermal management, regular inspections and preventive maintenance based on advanced expertise are indispensable. 【Service features】 - Balancing safety and economic efficiency: Maintaining the operational rate of storage batteries while minimizing fire and degradation risks. - Preventing troubles in advance: Early detection of initial abnormalities through precise diagnostics by specialized technicians. - Rapid on-site response: Preventing unexpected troubles and supporting revenue maintenance in line with business plans. 【Target audience】 Businesses that own grid storage batteries and asset management companies.

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【Achieving Cost Reduction in Outsourcing and Maintaining High-Quality Equipment Simultaneously】 This is an in-house support service that assists power plant owners in performing maintenance tasks, which were previously outsourced to specialized contractors, with their own staff (equipment personnel). 【Benefits of Implementation】 - Significant reduction in maintenance costs: By controlling the often high costs of outsourcing, the profitability of the power generation business is improved. - Optimization through AI and human judgment: Efficient diagnostics using AI, along with precise guidance from professionals on critical points requiring technical intervention. - Accumulation of in-house know-how: The skills of internal staff improve, greatly enhancing the ability to respond to issues and recover quickly when problems arise. 【Service Content】 We provide flexible support tailored to your company's situation, including inspection procedure training for equipment personnel, on-site guidance, and the establishment of an inspection system that combines AI technology. 【Target Facilities】 Various power generation facilities, including solar and biomass.

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We would like to introduce our "Inspection, Diagnosis, and Evaluation" services. Even with remote monitoring and annual inspections, symptoms of decreased power generation and insufficient power generation are increasing. Therefore, it is necessary to investigate and analyze the issues with the power generation equipment. Additionally, to mitigate abnormalities in power supply during disasters, we respond with qualified diagnostics and prompt action. [Inspection Contents (Partial)] ■ Issue Investigation ■ Internal Resistance Inspection of Panels ■ Infrared Drone ■ Internal Damage Inspection of Modules ■ Insulation Resistance Inspection ■ Ground Resistance Inspection ■ Cubicle Inspection *For more details, please refer to the PDF materials or feel free to contact us.

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Our company conducts "repowering" to restore the power generation efficiency of solar panels through cleaning. We can propose a construction plan based on the site environment and the attributes of the dirt, so please feel free to consult with us. If you wish to remove any severe dirt and restore the panels to their original power generation capacity, we can suggest panel cleaning machines for thorough manual work, speedy operations within a limited time, and low-cost cleaning. Additionally, we consider environmental aspects and cost reduction by using ultra-fine bubbles that demonstrate high cleaning power through their penetration ability. 【Features】 ■ Measurement of power generation before and after cleaning is possible ■ Evidence of cleaning effectiveness can be provided ■ Replacement and disposal of defective panels are possible *For more details, please refer to the PDF document or feel free to contact us.

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At Ozawa Maintenance, we perform cleaning and inspection of solar panels at power plants. We propose cleaning methods tailored to the condition of dirt and the customer's budget. Additionally, by using environmentally friendly electrolyzed water and nanobubbles, we ensure thorough cleaning even for stubborn dirt. We also have our original inspection menu aimed at "not reducing power generation," so please feel free to consult us if you are having issues at your power plant. 【Features】 ■ Achievements of 400MW ■ The cleaning method for solar panels varies based on location conditions and the state of dirt ■ Use of environmentally friendly electrolyzed water and nanobubbles ■ Proposal of construction plans tailored to the site ■ Electrical inspections and troubleshooting, among others *For more details, please refer to the PDF document or feel free to contact us.

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At Ozawa Maintenance, we also carry out grass cutting at power plants. For solar power plants, weeds are one of the significant factors that can lead to a decrease in power generation efficiency. Our company conducts thorough preliminary surveys to identify high-priority areas based on the growth of weeds. At the same time, we mark hazardous locations on the plans to ensure that workers remain vigilant. The grass cutting machines we use have a scissor-like structure, which prevents them from pinching cables above a certain thickness and eliminates the risk of stones being thrown. **Features** - Proven track record of 90MW - Conduct preliminary surveys to select high-priority areas based on weed growth - Use grass cutting machines that do not throw stones - Mark hazardous areas on-site and carry out work under sufficient safety management - Workers are either those who have undergone the required safety training or work alongside trained personnel *For more details, please refer to the PDF materials or feel free to contact us.*

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