Global String Inverter Market Growth, Share, Size, Trends and Forecast (2025 - 2031)

By phase, the market is categorized into single-phase and three-phase string inverters. Single-phase inverters are primarily used in residential applications due to their lower power requirements and cost-effectiveness. They are ideal for small-scale solar power installations, particularly in households and small commercial establishments. On the other hand, three-phase string inverters are preferred in larger commercial, industrial, and utility-scale applications due to their ability to handle higher loads and ensure efficient power distribution. These inverters are essential in large solar farms and industrial setups where power demand is significantly higher, and grid stability is a concern.

In terms of power rating, the string inverter market is further segmented into four categories: up to 10kW, 11kW to 40kW, 41kW to 80kW, and above 80kW. Inverters with a power rating of up to 10kW are commonly used in residential applications and small commercial buildings, where energy consumption is relatively low. These inverters are compact, easy to install, and cost-effective, making them suitable for distributed solar installations. The 11kW to 40kW segment caters to medium-sized commercial and industrial applications, including small factories, retail outlets, and office buildings. These inverters offer higher efficiency and better power output, making them suitable for moderate power needs. The 41kW to 80kW segment serves larger commercial and industrial facilities, including warehouses, shopping malls, and large office complexes, where energy consumption is high, and efficient power conversion is critical. Finally, inverters above 80kW are widely used in utility-scale solar farms and large industrial operations, where high power generation and grid integration are necessary. These high-capacity inverters provide superior efficiency, advanced monitoring features, and robust grid compatibility, making them a preferred choice for large-scale renewable energy projects.

By end-user, the market is segmented into residential, commercial & industrial, and utility sectors. The residential segment primarily includes homeowners and small-scale solar power users looking to reduce energy costs and reliance on conventional grid electricity. The adoption of string inverters in the residential sector has been driven by declining solar panel prices, government incentives, and an increasing awareness of renewable energy benefits. The commercial & industrial segment represents businesses, factories, and institutions that require efficient solar power solutions for reducing operational costs and ensuring energy security. Industries such as manufacturing, data centers, and retail chains are increasingly adopting string inverters to support their sustainability goals and lower energy expenses. The utility segment, which includes large-scale solar farms and grid-connected power plants, accounts for a significant share of the string inverter market. Utility-scale installations require high-capacity inverters that can manage large solar power outputs and ensure seamless grid integration. These installations are primarily driven by government policies, renewable energy targets, and the growing demand for clean energy.

Global String Inverter Segment Analysis

In this report, the Global String Inverter Market has been segmented by Phase, Power Rating, End-User and Geography.

Global String Inverter Market, Segmentation by Phase

The Global String Inverter Market has been segmented by Phase into Single Phase and Three Phase.

The string inverter market segmentation by phase distinguishes between single-phase and three-phase inverters, catering to distinct power distribution requirements. Single-phase inverters are commonly used in smaller-scale residential and commercial solar installations where the electrical load is typically lower. These inverters are designed to handle single-phase AC power, which is suitable for smaller systems with fewer solar panels. In contrast, three-phase inverters are deployed in larger-scale commercial, industrial, and utility applications where the electrical load is higher. They are capable of handling three-phase AC power, which is more efficient for larger solar arrays and offers greater flexibility in balancing power distribution across multiple phases.

The choice between single-phase and three-phase string inverters depends on various factors such as the size of the solar installation, the electrical load, and the specific requirements of the end-user. Single-phase inverters are ideal for smaller residential rooftops or small commercial buildings with limited space and energy demand. On the other hand, three-phase inverters are preferred for larger commercial and industrial installations, as well as utility-scale solar farms, where higher power output and greater efficiency are essential. Overall, the segmentation by phase enables manufacturers and installers to tailor string inverter solutions to meet the diverse needs of different applications and ensure optimal performance and efficiency in solar power systems.

Global String Inverter Market, Segmentation by Power Rating

The Global String Inverter Market has been segmented by Power Rating into Up to 10kW, 11kW to 40kW, 41kW to 80kW and Above 80kW.

The segmentation of the string inverter market by power rating provides a comprehensive classification based on the capacity and output capabilities of the inverters. In this segmentation, string inverters are categorized into different power rating ranges to accommodate a wide range of solar power system sizes and applications. The "Up to 10kW" category typically caters to smaller residential installations or small-scale commercial projects with relatively low energy demands. These inverters are compact and efficient, making them suitable for rooftop solar arrays or modest-sized solar systems.

Moving up the power rating scale, the "11kW to 40kW" and "41kW to 80kW" categories encompass medium-sized commercial and industrial applications where more substantial energy production is required. These string inverters are designed to handle larger solar arrays and higher electrical loads, providing reliable and efficient performance for commercial buildings, manufacturing facilities, and other industrial settings. Finally, the "Above 80kW" category targets utility-scale solar projects and large-scale industrial applications that demand significant power output. These high-capacity string inverters are engineered to handle large solar arrays and deliver efficient power conversion on a massive scale, supporting the transition to renewable energy sources on a broader scale. Overall, the segmentation by power rating enables stakeholders to select string inverters tailored to their specific energy requirements, ensuring optimal performance and efficiency in solar power systems of varying sizes and applications.

Global String Inverter Market, Segmentation by End-User

The Global String Inverter Market has been segmented by End-User into Residential, Commercial & Industrial and Utility.

The segmentation of the string inverter market by end-user categorizes the application of these inverters across different sectors based on their specific needs and usage scenarios. The residential segment encompasses homeowners and small-scale solar installations, where string inverters are commonly used to convert DC power from rooftop solar panels into usable AC power for household consumption. These inverters are often compact, easy to install, and cost-effective, making them ideal for residential applications seeking to harness solar energy for sustainable power generation.

In contrast, the commercial & industrial segment includes a broader range of applications such as commercial buildings, industrial facilities, and large-scale commercial installations. String inverters deployed in this segment cater to higher energy demands and larger solar arrays, providing reliable power conversion solutions for businesses seeking to reduce energy costs and environmental impact. Additionally, the utility segment targets large-scale utility-scale solar projects and grid-connected solar farms. String inverters in this segment are designed to handle massive power capacities and support grid integration, contributing to the expansion of renewable energy sources and the transition to a more sustainable energy infrastructure. Overall, the segmentation by end-user allows for tailored solutions to meet the diverse needs of residential, commercial, industrial, and utility-scale solar installations, driving the adoption of string inverters across various sectors.

Global String Inverter Market, Segmentation by Geography

In this report, the Global String Inverter Market has been segmented by Geography into five regions; North America, Europe, Asia Pacific, Middle East and Africa and Latin America.

Global String Inverter Market Share (%), by Geographical Region, 2024

In the Asia-Pacific region, solar PV and string inverters have witnessed significant growth, with China, Japan, and India leading the way. China, in particular, stands out with its substantial solar installations, thereby boosting the string inverter market in the foreseeable future. Key projects like the Tengger Desert Solar Park and Longyangxia Dam Solar Park in China, along with the Kurnool Ultra Mega Solar Park and Kamuthi Solar Power Station in India, have contributed to the region's solar energy landscape.

In July 2022, Kehua Data Co., Ltd. achieved certification for its SPI series 1500V/350kW string inverter after successfully passing High Voltage Ride Through (HVRT) and Low Voltage Ride Through (LVRT) tests. Similarly, Ginlong (Solis) Technologies Co. Ltd announced a substantial investment in June 2022, aimed at enhancing the production capacity of string inverters and distributed photovoltaic power station projects. This investment is poised to bolster the region's string inverter market further.

This report provides an in depth analysis of various factors that impact the dynamics of Global String Inverter Market. These factors include; Market Drivers, Restraints and Opportunities Analysis.

Drivers, Restraints and Opportunities Analysis

Key players in Global String Inverter Market include

• KACO New Energy GmbH
• Delta Energy Systems GmbH
• ABB Ltd
• Sungrow Power Supply Co Ltd
• Huawei Technologies Co. Ltd
• Chint Power Systems Co. Ltd
• Ningbo Ginlong Technologies Co Ltd
• Fronius International GmbH

In this report, the profile of each market player provides following information:

• Company Overview and Product Portfolio
• Key Developments
• Financial Overview
• Strategies
• Company SWOT Analysis