Japan Solar PV Inverter Market

Japan Solar PV Inverter Market Overview:

The Japan solar PV inverter market size reached USD 512.8 Million in 2024. Looking forward, IMARC Group expects the market to reach USD 744.5 Million by ​2033​, exhibiting a growth rate (CAGR) of 4.23% during 2025-2033. The market is driven by increasing renewable energy (RE) targets, stringent government incentives, expanding grid modernization, rising electricity demand, continuous technological advancements, declining inverter costs, and growing adoption of distributed energy systems across residential and commercial sectors.

Japan Solar PV Inverter Market Trends:

Shift Toward Distributed Solar Installations

A rising shift from large-scale, centralized solar installations to distributed solar systems, particularly evident in the residential and commercial sectors is driving the Japan solar PV inverter market growth. According to 2024 reports, over 3 million residential solar systems were installed in Japan in the past year, reflecting a strong shift towards decentralized energy generation in the residential sector. This transition is driven by factors such as limited land availability for expansive solar farms and the decreasing costs of solar photovoltaic (PV) technology, making small-scale installations more accessible. Besides this, government incentives, including feed-in tariffs and subsidies, are encouraging homeowners and businesses to adopt rooftop solar panels. This trend significantly influences the solar PV inverter market, as there is an increased demand for string and microinverters suitable for decentralized energy systems. Additionally, these inverters are essential for optimizing the performance and efficiency of smaller-scale solar installations, thereby supporting the broader RE objectives of the region and impelling the market demand.

Emphasis on Energy Storage Integration

The integration of energy storage solutions with solar PV systems is boosting the Japan solar PV inverter market share, aiming to address the intermittency of solar power and enhance grid stability. This advancement is crucial for Japan because it supports the country's efforts to lower greenhouse gas (GHG) releases while expanding the RE utilization. In confluence with this, the government has initiated energy storage promotion programs that have improved the viability of solar-plus-storage systems through continuous technological advancements in battery development. For example, in April 2025, Sungrow announced that its residential energy storage system, including the SH5.5RS-JP hybrid inverter and a battery with up to 12.8 kWh capacity, obtained JET certification. This certification ensures compliance with Japanese safety and environmental standards, facilitating the adoption of integrated solar-plus-storage solutions in residential settings. Moreover, due to the rising demand, the market requires advanced solar inverters to control energy transitions between solar panels, storage batteries, and the power grid. Furthermore, the hybrid inverter system maintains a vital position in energy management systems because it enables optimized energy consumption. It further provides standby power, enabling demand response features for enhanced sustainable power grid performance, which is significantly enhancing the Japan solar PV inverter market outlook.

Japan Solar PV Inverter Market Segmentation:

IMARC Group provides an analysis of the key trends in each segment of the market, along with forecasts at the region level for 2025-2033. Our report has categorized the market based on technology, voltage and application.

Technology Insights:

• Central Inverters
• String Inverters
• Microinverters
• Others

The report has provided a detailed breakup and analysis of the market based on the technology. This includes central inverters, string inverters, microinverters, and others.

Voltage Insights:

• <1,000 V
• 1,000-1,499 V
• >1,500 V

A detailed breakup and analysis of the market based on the voltage have also been provided in the report. This includes <1,000 V, 1,000-1,499 V, and >1,500 V.

Application Insights:

• Utility Scale
• Residential Scale
• Small Commercial Scale
• Large Commercial Scale
• Industrial Scale

The report has provided a detailed breakup and analysis of the market based on the application. This includes utility scale, residential scale, small commercial scale, large commercial scale, and industrial scale.

Regional Insights:

• Kanto Region
• Kansai/Kinki Region
• Central/Chubu Region
• Kyushu-Okinawa Region
• Tohoku Region
• Chugoku Region
• Hokkaido Region
• Shikoku Region

The report has also provided a comprehensive analysis of all the major regional markets, which include Kanto Region, Kansai/Kinki Region, Central/Chubu Region, Kyushu-Okinawa Region, Tohoku Region, Chugoku Region, Hokkaido Region, and Shikoku Region.

Competitive Landscape:

The market research report has also provided a comprehensive analysis of the competitive landscape. Competitive analysis such as market structure, key player positioning, top winning strategies, competitive dashboard, and company evaluation quadrant has been covered in the report. Also, detailed profiles of all major companies have been provided.

Japan Solar PV Inverter Market News:

• In February 2025, ITOCHU Corporation entered into a strategic partnership with Enphase Energy to promote the sales and marketing of Enphase’s microinverters in Japan. This collaboration aims to accelerate the adoption of decentralized energy systems using advanced microinverter technology.
• In March 2024, Sungrow unveiled new renewable energy (RE) solutions tailored for the Japanese market, including the SG50CX-P2-JP string inverter designed for commercial and industrial applications. These innovations enhance energy efficiency and support Japan's energy transition goals.

Japan Solar PV Inverter Market Report Coverage:

Key Questions Answered in This Report:

• How has the Japan solar PV inverter market performed so far and how will it perform in the coming years?
• What is the breakup of the Japan solar PV inverter market on the basis of technology?
• What is the breakup of the Japan solar PV inverter market on the basis of voltage?
• What is the breakup of the Japan solar PV inverter market on the basis of application?
• What is the breakup of the Japan solar PV inverter market on the basis of region?
• What are the various stages in the value chain of the Japan solar PV inverter market? 
• What are the key driving factors and challenges in the Japan solar PV inverter?
• What is the structure of the Japan solar PV inverter market and who are the key players?
• What is the degree of competition in the Japan solar PV inverter market? 

Key Benefits for Stakeholders:

• IMARC’s industry report offers a comprehensive quantitative analysis of various market segments, historical and current market trends, market forecasts, and dynamics of the Japan solar PV inverter market from 2019-2033.
• The research report provides the latest information on the market drivers, challenges, and opportunities in the Japan solar PV inverter market.
• Porter's five forces analysis assist stakeholders in assessing the impact of new entrants, competitive rivalry, supplier power, buyer power, and the threat of substitution. It helps stakeholders to analyze the level of competition within the Japan solar PV inverter industry and its attractiveness.
• Competitive landscape allows stakeholders to understand their competitive environment and provides an insight into the current positions of key players in the market.