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Single Phase String Inverter Market Size, Share & Forecast to 2035 — CAGR 9.3%

The global Single Phase String Inverter Market is projected to grow from USD 5.11 billion in 2025 to USD 12.5 billion by 2035, registering a strong CAGR of 9.3%, driven by rising residential solar adoption, supportive government policies, and advancements in inverter efficiency.
Published 14 February 2026

The Single Phase String Inverter Market is experiencing robust growth due to the accelerating global transition toward renewable energy. Single phase string inverters are widely used in residential and small commercial solar photovoltaic (PV) systems, converting direct current (DC) generated by solar panels into alternating current (AC) suitable for household and grid usage.

As homeowners and small businesses increasingly invest in rooftop solar installations, the demand for reliable, cost-effective, and high-efficiency string inverters continues to expand. These inverters offer a practical balance between affordability and performance, making them a preferred choice in distributed solar energy systems.

Growing environmental awareness, carbon reduction goals, and declining solar installation costs are further supporting market expansion across developed and emerging economies.

Market Size & Forecast

  • Market Size 2024: USD 4.68 Billion
  • Market Size 2025: USD 5.11 Billion
  • Market Size 2035: USD 12.5 Billion
  • CAGR (2025–2035): 9.3%
  • Base Year: 2024
  • Historical Data: 2019–2023
  • Market Forecast Period: 2025–2035
  • Forecast Units: USD Billion
  • Report Coverage: Revenue Forecast, Competitive Landscape, Growth Factors, and Trends

The market is expected to more than double over the forecast period, reflecting strong global solar adoption and favorable regulatory frameworks.

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Key Market Drivers

  • Increasing Residential Solar Adoption: Rising electricity costs and sustainability goals are encouraging homeowners to install rooftop solar systems.
  • Cost-Effectiveness of Installations: Single phase string inverters offer a lower upfront cost compared to microinverters, making them attractive for small-scale systems.
  • Technological Advancements in Efficiency: Improved maximum power point tracking (MPPT), digital monitoring, and smart grid compatibility enhance performance.
  • Government Incentives and Subsidies: Tax credits, feed-in tariffs, and renewable energy mandates drive adoption globally.
  • Growing Environmental Awareness: Consumers and governments are prioritizing clean energy solutions to reduce carbon emissions.

Key Market Opportunities

  • Rising demand for residential solar installations worldwide.
  • Expanding solar markets in emerging economies across APAC, South America, and MEA.
  • Continuous advancements in inverter efficiency and reliability.
  • Government-backed renewable energy programs.
  • Increased shift toward grid-connected solar systems.
  • Integration with battery storage and hybrid systems.

Market Trends & Industry Insights

  • Growing integration of smart monitoring systems and IoT-enabled diagnostics.
  • Increased adoption of hybrid inverters compatible with energy storage systems.
  • Development of lightweight, compact inverter designs.
  • Improved grid compliance and anti-islanding technologies.
  • Rising installation of rooftop solar systems in urban and suburban regions.
  • Expansion of net metering policies across multiple countries.

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Market Segmentation

By Application:

  • Residential Solar Systems
  • Small Commercial Installations
  • Distributed Generation Projects

By Power Rating:

  • Up to 3 kW
  • 3–5 kW
  • 5–10 kW
  • Above 10 kW

By End Use:

  • Residential
  • Commercial
  • Industrial (Small-Scale Applications)

By Technology:

  • Conventional String Inverters
  • Hybrid String Inverters
  • Smart String Inverters

By Region:

  • North America: US, Canada
  • Europe: Germany, UK, France, Italy, Spain, Russia, Rest of Europe
  • Asia Pacific: China, India, Japan, South Korea, Malaysia, Thailand, Indonesia, Rest of APAC
  • South America: Brazil, Mexico, Argentina, Rest of South America
  • Middle East & Africa (MEA): GCC, South Africa, Rest of MEA

Competitive Landscape

The Single Phase String Inverter Market is competitive, with both global and regional players focusing on innovation, efficiency improvements, and geographic expansion.

Key companies profiled include:

  • Canadian Solar
  • SolarEdge Technologies
  • SMA Solar Technology
  • Tigo Energy
  • GoodWe Power Supply Technology
  • Trina Solar
  • JA Solar
  • Fronius International
  • Schneider Electric
  • ABB Ltd
  • Enphase Energy
  • Huawei Technologies

Market participants are emphasizing R&D investments to improve energy conversion efficiency, smart connectivity, and product durability. Partnerships with solar installers, distributors, and energy storage providers are strengthening market reach.

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Regional Insights

  • Asia Pacific: Dominates the market due to rapid solar adoption in China, India, Japan, and Southeast Asia.
  • Europe: Strong growth driven by renewable energy mandates and carbon neutrality targets.
  • North America: Expanding residential solar market supported by federal and state incentives.
  • South America: Emerging opportunities fueled by rising electricity demand and renewable integration.
  • MEA: Increasing solar investments, particularly in GCC countries and South Africa.

Future Outlook

The Single Phase String Inverter Market is expected to reach USD 12.5 billion by 2035, growing at a CAGR of 9.3%. The global shift toward renewable energy, coupled with technological advancements and supportive policies, will continue to drive demand.

As residential solar installations expand and grid-connected systems become more sophisticated, single phase string inverters will remain a critical component in decentralized energy systems. The integration of battery storage, smart monitoring platforms, and hybrid technologies will further enhance their market potential throughout the forecast period.

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