PV Plant Solutions

SunwaysC&I & Utility-Scale PV Solutions | Sunways

Sunways grid-tied PV inverters cater to all types of large-scale PV projects, covering two core application scenarios: commercial & industrial rooftop PV and utility-scale ground-mounted power stations.

Our integrated PV solutions are engineered for medium and large new energy projects, including utility-grade solar farms, distributed rooftop PV for industrial parks, agrivoltaic systems and renewable energy developments on open land. Leveraging high-efficiency PV inverters, Sunways Cloud monitoring platform and intelligent energy management system, the complete system delivers stable grid-connected power output from large-scale solar assets.

Whether it is distributed rooftop PV or large ground-mounted power stations, Sunways PV solutions help asset owners boost overall power generation, guarantee long-term stable grid-tied operation, streamline on-site O&M and maximize long-term project ROI.

C&I & Utility-Scale PV Solutions

For medium and large-scale PV projects, long-term operational performance relies on far more than just inverter efficiency. Sunways utility-grade PV solutions integrate high-power string inverters, reliable grid interconnection performance, flexible modular system architecture and Sunways Cloud monitoring platform. The complete system empowers project owners to boost overall power generation output, streamline solar asset management, and maximize returns throughout the full project lifecycle.

HIGH EFFICIENCY

High Energy Yield

Sunways high-power string inverters deliver efficient solar power conversion, helping improve total power generation and project revenue.

Safe & Reliable

Stable Grid Connection

Designed for large-scale grid-connected PV systems, Sunways inverters support stable operation under complex grid conditions.

MORE OPTIONS

Flexible System Design

A wide power range of three-phase on-grid inverters supports different project capacities, layouts, and grid requirements.

STRONG OFF-GRID CAPABILITY

Smart O&M Management

Connected with Sunways Cloud, the system enables real-time monitoring, fault alerts, performance analysis, and remote operation and maintenance.

Utility PV System Flow

Sunways C&I rooftop and ground-mounted PV systems integrate PV arrays, high-power string inverters, grid-connected accessories and cloud monitoring functions to build an all-in-one intelligent power generation platform.
Equipped with data loggers, smart meters and Sunways Cloud, asset owners can remotely view real-time system operating conditions, track power generation data, troubleshoot system faults and conduct unified full-lifecycle PV asset management from a single portal.

Powering Large-scale Energy Scenarios

Utility-scale Solar Power Plants

Suitable for large ground-mounted PV projects that generate clean electricity for grid supply.

Industrial Park Solar Projects

Provide renewable energy for industrial parks, factories, and high-consumption business zones.

Agricultural PV Projects

Support solar power generation on agricultural land, fishery areas, and other open spaces.

Solar-plus-storage Projects

Combine PV inverters with energy storage systems to improve power dispatching, grid stability, and renewable energy utilization.

Grid-connected Renewable Energy Projects

Support large-scale renewable energy generation with reliable grid connection and smart monitoring.

Power Market Trading and VPP

Connect solar assets with smart energy platforms, VPP, and power market trading strategies to create additional energy value.

Built for Utility Power Solutions

STT-100K~150KTL-SE

100–150kW Three-phase
On-grid Inverter

Designed for medium and large-scale PV power plants, supporting high-efficiency solar conversion, multiple MPPTs, and stable grid-connected operation.

STT-130K-170KTL-SE-HV

130–170kW Three-phase
On-grid Inverter

Suitable for utility-scale solar farms and large ground-mounted PV projects, delivering high power density, reliable performance, and flexible system configuration.

Data logger

Sunways
Data Logger

Collects inverter data and connects the PV system to the monitoring platform for real-time system visibility.

Case Study

6.6MW PV Retrofit Project in Italy

Discover how Sunways upgraded a 6.6MW distributed PV retrofit project in Italy using 552 STT-12KTL commercial solar inverters.

Ukraine 700kW Commercial Solar Project

Discover how STT-100KTL inverters power a 700kW commercial solar project in Ukraine, delivering 776.7 MWh annual generation.

Brazil 1.3MW Commercial & Industrial Solar Project

Discover how Sunways delivered a 1.3MW commercial solar project in Brazil using STT-100KTL and STT-50KTL-M inverters.

Smarter Energy Starts Here

Driven by our vision of Energy Connects All, Sunways delivers smart, reliable energy solutions for every scenario.

German Heritage · China Intelligent

Utility PV Solutions FAQs

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Utility PV Solutions is a comprehensive power generation solution designed for large-scale ground-mounted solar power plants and centralized solar projects.

Unlike residential or commercial and industrial (C&I) solar systems, Utility PV Solutions focuses on MW-scale and even GW-scale projects. Through high-power string inverters, intelligent monitoring systems, grid-connection technology, and long-term O&M capabilities, it enables stable and efficient large-scale solar power generation.

Sunways Utility PV Solutions encompasses PV inverters, intelligent monitoring platforms, remote O&M, and energy management, meeting the requirements of large-scale renewable energy projects for high power generation, high reliability, and low levelized cost of energy (LCOE).


Utility-scale solar power plants can generate electricity at a much lower cost per kilowatt-hour while supplying clean energy to the power grid.

Large-scale ground-mounted power plants offer economies of scale, enabling higher generation efficiency, lower construction costs, and a higher return on investment. Additionally, large-scale projects are typically equipped with smart monitoring and remote operation and maintenance systems, which reduce the need for manual maintenance and improve equipment availability.

Combined with high-efficiency inverters and reliable grid-connection solutions, utility-scale PV projects can operate stably over the long term and help governments, utilities, and energy investors increase the share of renewable energy.

Utility PV inverters maximize solar energy conversion efficiency while ensuring stable grid connection.

As the core equipment of large-scale solar power plants, inverters are responsible for converting the direct current (DC) generated by solar modules into alternating current (AC), while continuously performing functions such as MPPT, fault protection, grid support, and remote monitoring.

Sunways high-power string inverters feature high conversion efficiency, a wide MPPT operating range, intelligent monitoring, and remote upgrade capabilities, helping large-scale solar projects increase power generation revenue and reduce long-term O&M costs.

The main difference is project scale, ownership, and application.

Commercial Solar typically serves factories, commercial buildings, and industrial parks, with capacities generally ranging from tens of kilowatts to several megawatts, and is used to reduce businesses’ electricity costs.

Utility PV, on the other hand, refers to large-scale centralized solar power plants, typically with capacities ranging from tens of megawatts to hundreds of megawatts. These plants primarily supply power to the public grid and are operated by energy investors, utility companies, or government agencies.

As a result, Utility PV places higher demands on inverter performance, grid compatibility, long-term reliability, and smart operations and maintenance.

Smart monitoring helps maximize plant availability and reduce operation and maintenance costs.

By monitoring power generation, equipment status, fault information, and operational efficiency in real time, O&M personnel can quickly identify anomalies and perform remote diagnostics, significantly reducing on-site maintenance time.

The Sunways Smart Monitoring Platform supports equipment management, power plant monitoring, data analysis, and remote updates, helping operators continuously optimize power generation efficiency and increase the long-term returns of large-scale solar power plants.

Yes. Modern utility PV projects can connect to Virtual Power Plants (VPPs) and participate in electricity market trading.

Through an intelligent energy management platform, large-scale solar power plants can optimize their generation schedules based on real-time electricity prices, load demand, and grid dispatch strategies, while operating in coordination with energy storage systems.

Participating in Virtual Power Plants (VPPs) and electricity markets not only enhances the utilization of renewable energy but also generates additional revenue for the project, enabling solar power plants to evolve from simple power generation assets into smart energy assets with energy dispatch capabilities.

Sunways provides reliable utility PV solutions backed by German engineering experience, smart manufacturing, and global project expertise.

Since 1993, Sunways has specialized in solar inverter technology, offering a product portfolio that includes large-scale grid-connected inverters, energy storage systems, smart monitoring platforms, and complementary energy solutions. The company’s products are widely deployed across Europe, Asia, the Middle East, and other global markets, and Sunways possesses extensive experience in large-scale solar projects.

Leveraging high-efficiency products, a comprehensive quality management system, and a global technical support network, Sunways enables EPCs, energy developers, and utility customers to build more efficient, safe, and sustainable large-scale PV power plants.

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