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Solis Commercial & Industrical Solar
Solutions
From compact 15 kW three-phase string inverters to 350 kW utility-grade systems — Solis C&I grid-tied inverters deliver maximum solar yield for every commercial and industrial PV project.
Efficient Power Generation
Multi-MPPT design with 150% DC over-sizing and intelligent heat dissipation bring maximum yield from high-power and bifacial PV modules
Safe and Reliable
IP66/IP65 protection, optional AFCI arc-fault guard, and built-in DC/AC SPD ensure safe, reliable operation in harsh commercial environments
Economy Friendly
21 A string current matches bifacial high-power modules; built-in anti-PID repair and optimised interfaces reduce system cost and protect revenue
Intelligent O&M
Intelligent string monitoring and IV curve diagnosis pinpoint faults instantly; remote upgrade and SolisCloud management simplify fleet O&M
Product Portfolio
Solis C&I & Utility Solar Inverter Range
14 grid-tied string inverters from 15 kW compact commercial units to 350 kW utility-grade systems — built for every scale of commercial and industrial PV project
C&I Grid-Tied Inverter
12 Products
C&I
S6-GC3P(25–40)K03-ND
25–40 kW
IP66
Grid-tied · Three Phase
High efficiency three-phase string inverter for small commercial PV. Wide MPPT voltage range, compatible with 182/210 mm high-power modules, IP66 protection.
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C&I
S6-GC3P(15–20)K03-LV-ND
15–20 kW
LV · 230V
Grid-tied · Three Phase · LV
230VAC LV three-phase inverter for residential and small I&C. 3 MPPTs with 21 A input, compact and highly efficient.
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C&I
S5-GC(25–50)K
25–50 kW
4 MPPTs
Grid-tied · Three Phase
3/4 MPPT design for flexible rooftop configuration and higher generation efficiency. Ultra-quiet operation for comfortable commercial environments.
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C&I
S5-GC(15–23)K-LV
15–23 kW
LV · 2 MPPTs
Grid-tied · Three Phase · LV
Compact LV three-phase inverter preferred for residential and small I&C PV stations. Dual MPPT with multiple power models for flexible, efficient design.
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C&I
S6-GC3P(40–60)K-ND
40–60 kW
98.7%
Grid-tied · Three Phase
4/5 MPPT, 98.7% peak efficiency. Built-in 4G data collector for stronger signal and seamless commercial site monitoring via SolisCloud.
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C&I
S6-GC3P(23–36)K-LV-ND
23–36 kW
LV · 220V
Grid-tied · Three Phase · LV
220VAC LV inverter with 3/4 MPPT and 20 A string current for high-power bifacial modules. Auto voltage stabilisation keeps output stable on weak grids.
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C&I
S5-GC(50–60)K
50–60 kW
5/6 MPPTs
Grid-tied · Three Phase
5/6 MPPT for flexible commercial configuration and higher generation efficiency. Intelligent redundancy fan and comprehensive monitoring solution.
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C&I
S5-GC(25–36)K-LV
25–36 kW
LV · 4 MPPTs
Grid-tied · Three Phase · LV
4 MPPT design for flexible configuration, smaller environmental impact and higher yield. Quiet operation for a comfortable working environment.
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C&I
S6-GC(80–125)K
80–125 kW
IP66 · 21A
Grid-tied · Three Phase
S6 series for C&I and utility PV. 21 A input for high-power modules, 150% DC/AC ratio, PLC communication and IP66 protection for harsh sites.
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C&I
S6-GC(50–75)K-LV
50–75 kW
LV · 8 MPPTs
Grid-tied · Three Phase · LV
220V, 8 MPPT, 21 A string current for bifacial high-power modules. Export power control, intelligent string monitoring and remote O&M for commercial rooftop and utility projects.
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C&I
S6-GC3P(150–200)K07-ND
150–200 kW
54A MPPT
Grid-tied · Three Phase
New-generation C&I high-power inverter. 54 A MPPT current, 150%+ DC/AC ratio, intelligent DC breaking and terminal temperature monitoring for system safety.
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C&I
S6-GC3P(80–100)K07-LV-ND
80–100 kW
LV · 54A
Grid-tied · Three Phase · LV
LV variant of the new-generation C&I series. 54 A MPPT, 150%+ DC/AC ratio, intelligent DC breaking and temperature monitoring for high-performance 220V grid projects.
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Utility Scale Inverter
2 Products
Utility Scale
Solis-255K-EHV-5G-PLUS
255 kW
EHV · 28 Strings
Grid-tied · Utility Scale
255 kW with 28-string “Y” type DC connection for large utility PV. Anti-PID function and high-precision intelligent string monitoring for optimised power plant performance.
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Utility Scale
S6-GU3P350K06-EV-ND
350 kW
99% · IP66
Grid-tied · Utility Scale
350 kW, 1500V DC / 800VAC, max efficiency 99%. 6 MPPTs, 30 inputs, IP66 + C5-M corrosion resistance. Maintains 86% rated power at 51°C ambient.
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Commercial & Industrial Solar Inverters
Twelve three-phase string inverters spanning 15 kW to 200 kW — versatile solutions for small commercial rooftops, large industrial facilities, and every scale in between.
S6-GC3P(25–40)K03-ND
25–40 kW
3 MPPT
IP66
C&I Grid-Tied · Three Phase · NV/HV
The S6-GC3P(25–40)K03-ND three-phase string inverter is designed for small commercial PV projects. It features high efficiency and a wide MPPT voltage range, and is fully compatible with all 182/210 mm high-power PV modules for a more cost-effective solution. Compact and lightweight for easy installation, it includes comprehensive intelligent monitoring, digital O&M tools, and IP66 protection for reliable operation in harsh outdoor environments.
Product Materials
Key Features
21 A String Current
>150% DC/AC Ratio
IP66, C5 Anti-Corrosion
Dual RS485 Communication
24H Load Consumption Monitoring
Specifications
Rated Output
25 / 30 / 33 / 36 / 40 kW
Recommended PV Power
37.5–60 kW
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
3 / 6
Max Input Current
42 / 42 / 42 A
Rated Grid Voltage
220/380, 230/400, 480 V
Max Efficiency
98.5–98.6 %
Ingress Protection
IP66
Weight
25.3–26.5 kg
S6-GC3P(15–20)K03-LV-ND
15–20 kW
3 MPPT
230V LV
C&I Grid-Tied · Three Phase · 230V LV
The S6-GC3P(15–20)K03-LV-ND 230 VAC three-phase string inverter is the reliable first choice for residential, small industrial and commercial PV plants. Compact and lightweight with higher efficiency, its 3-MPPT design and 21 A DC input current are fully compatible with all 182/210 mm high-power PV modules, enabling a more flexible and efficient system configuration.
Product Materials
Key Features
21 A — 182/210 mm Modules
>150% DC/AC Ratio
AFCI Protection
Smart I-V Curve Scan
Dual RS485 Communication
Specifications
Rated Output
15 / 20 kW
Recommended PV Power
22.5 / 30 kW
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
3 / 6
Max Input Current
42 / 42 / 42 A
Rated Grid Voltage
3/PE 220 / 230 V
Max Efficiency
97.8 %
Ingress Protection
IP66
Weight
25.5 / 26.5 kg
S5-GC(25–50)K
25–50 kW
3/4 MPPT
C&I Grid-Tied · Three Phase · 400V
The S5-GC(25–50)K three-phase string inverter adopts a 3/4 MPPT design to provide a more flexible configuration scheme, reduced environmental footprint, and higher generation efficiency. Its operation is as quiet as a whisper, creating a more comfortable working and living environment — ideal for commercial and light-industrial rooftop installations.
Product Materials
Key Features
98.8% Max Efficiency
3/4 MPPT, Multi-facing Roof
AFCI Protection
Nighttime PID Recovery
Smart I-V Curve Scan
Specifications
Rated Output
25 / 30 / 33 / 36 / 40 / 50 kW
Recommended PV Power
37.5–75 kW
Max Input Voltage
1100 V
MPPT Voltage Range
200–1000 V
MPPT / Strings
3 / 6 or 4 / 8
Max Input Current
3–4 × 32 A
Rated Grid Voltage
220/380, 230/400, 480 V
Max Efficiency
98.5–98.8 %
Ingress Protection
IP66
Weight
38.2–42.1 kg
S5-GC(15–23)K-LV
15–23 kW
3 MPPT
LV
C&I Grid-Tied · Three Phase · 230V LV
The S5-GC(15–23)K-LV three-phase string inverter is the reliable preferred equipment for residential, small industrial and commercial PV stations. Compact and lightweight with higher efficiency, a variety of power models are available for selection. Its dual MPPT design provides a more flexible and efficient system layout.
Product Materials
Key Features
97.8% Max Efficiency
3-MPPT, Multi-facing Roof
AFCI Protection
Nighttime PID Recovery
Smart I-V Curve Scan
Specifications
Rated Output
15 / 20 / 23 kW
Recommended PV Power
22.5 / 30 / 34.5 kW
Max Input Voltage
1100 V
MPPT Voltage Range
200–1000 V
MPPT / Strings
3 / 6
Max Input Current
32 / 32 / 32 A
Rated Grid Voltage
3/PE 220 V
Max Efficiency
97.8 %
Ingress Protection
IP66
Weight
38.2–42.1 kg
S6-GC3P(40–60)K-ND
40–60 kW
4/5 MPPT
98.7%
C&I Grid-Tied · Three Phase · NV/HV
The S6-GC3P(40–60)K-ND three-phase string inverter is designed for commercial PV plants. Its 4/5 MPPT design delivers flexible configuration and 98.7% peak efficiency for higher yields. Equipped with a built-in 4G wireless data collector for stronger, more stable signal, it offers a complete commercial site monitoring solution — making your plant smarter and simplifying O&M.
Product Materials
Key Features
4/5 MPPT, 98.7% Efficiency
21 A String Current
>150% DC/AC Ratio
AFCI Protection
Smart I-V Curve Scan
Specifications
Rated Output
40 / 50 / 60 kW
Rated DC Voltage
600 / 720 V
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
4 / 8 or 5 / 10
Max Input Current
4–5 × 42 A
Rated Grid Voltage
220/380, 230/400, 480 V
Max Efficiency
98.6–98.7 %
Ingress Protection
IP66
Weight
34.4–38.6 kg
S6-GC3P(23–36)K-LV-ND
23–36 kW
3/4 MPPT
170% DC/AC
C&I Grid-Tied · Three Phase · 220V LV
The S6-GC3P(23–36)K-LV-ND is a new-generation 220 VAC three-phase string inverter designed for large-scale low-voltage grid-connected PV projects and commercial rooftops. Its 3/4 MPPT design supports 20 A string current for bifacial high-power modules, a 170% DC/AC ratio for higher yield, automatic voltage stabilisation in weak-grid conditions, and full remote upgrade and control — the first choice for commercial 220V three-phase projects.
Product Materials
Key Features
3/4 MPPT, 97.8% Efficiency
21 A — Bifacial Modules
>150% DC/AC Ratio
AFCI Protection
Smart I-V Curve Scan
Specifications
Rated Output
23 / 25 / 30 / 36 kW
Rated DC Voltage
400 V
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
3 / 6 or 4 / 8
Max Input Current
3–4 × 42 A
Rated Grid Voltage
3/PE 220 / 230 V
Max Efficiency
97.8 %
Ingress Protection
IP66
Weight
32.6–36.2 kg
S5-GC(50–60)K
50–60 kW
5/6 MPPT
C&I Grid-Tied · Three Phase · 400V
The S5-GC(50–60)K three-phase string inverter is designed for commercial and industrial PV plants. Its 5/6 MPPT configuration provides a flexible layout and higher generation efficiency, while an intelligent redundancy fan ensures thermal management and long-term reliability. A complete commercial site monitoring solution makes plant management smart and effortless.
Product Materials
Key Features
5/6 MPPT, 98.7% Efficiency
AFCI Protection
IP66, C5 Anti-Corrosion
Smart I-V Curve Scan
Night SVG Function
Specifications
Rated Output
50 / 60 kW
Max Apparent Power
55 / 66 kVA
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
5 / 10 or 6 / 12
Max Input Current
5–6 × 32 A
Rated Grid Voltage
220/380, 230/400 V
Max Efficiency
98.7 %
Ingress Protection
IP66
Weight
53.7 kg
S5-GC(25–36)K-LV
25–36 kW
4 MPPT
LV
C&I Grid-Tied · Three Phase · 230V LV
The S5-GC(25–36)K-LV three-phase string inverter adopts a 4-MPPT design for a flexible configuration scheme, reduced environmental footprint, and higher generation efficiency. Its near-silent operation creates a comfortable working and living environment — the ideal LV solution for small-to-medium commercial and industrial rooftop PV systems.
Product Materials
Key Features
4-MPPT, 98.4% Efficiency
AFCI Protection
IP66, C5 Anti-Corrosion
Smart I-V Curve Scan
Night SVG Function
Specifications
Rated Output
25 / 30 / 36 kW
Rated DC Voltage
360 V
Max Input Voltage
1100 V
MPPT Voltage Range
180–1000 V
MPPT / Strings
4 / 8
Max Input Current
4 × 32 A
Rated Grid Voltage
3/(N)/PE 220 V
Max Efficiency
98.4 %
Ingress Protection
IP66
Weight
53.7 kg
S6-GC(80–125)K
80–125 kW
21 A
150% DC/AC
IP66
C&I Grid-Tied · Three Phase · 400V · NV/HV
The Solis S6-GC(80–125)K is a new S6-series inverter designed for C&I and utility PV projects. With 21 A input current it perfectly matches a variety of high-power PV panels, supports 150% DC/AC oversizing, PLC communication, optimised AC/DC cabling, intelligent I-V curve scanning, and remote O&M — effectively reducing system costs, simplifying O&M, and improving efficiency. IP66 protection ensures reliable performance in complex, harsh environments.
Product Materials
Key Features
AI-based AFCI Arc Protection
Real-time PV Grounding Detection
Master-slave Export Control
Dual RS485 Communication
Intelligent System Monitoring
Specifications
Rated Output
80 / 100 / 110 / 125 kW
Rated DC Voltage
600 / 720 V
Max Input Voltage
1100 V
MPPT Voltage Range
160–1000 V
MPPT / Strings
8 / 16 or 10 / 20
Max Input Current
4–5 × (42 / 36) A
Rated Grid Voltage
220/380, 230/400, 480 V
Max Efficiency
98.7 %
Ingress Protection
IP66
Weight
93–96 kg
S6-GC(50–75)K-LV
50–75 kW
8 MPPT
21 A
220V LV
C&I Grid-Tied · Three Phase · 220V LV
The S6-GC(50–75)K-LV is a new-generation 220V three-phase inverter designed for low LCOE solutions in large low-voltage grid-connected PV projects on commercial rooftops and utility sites. Its 8-MPPT design with 21 A string current perfectly matches high-current bifacial modules. Export power control, intelligent string monitoring, smart I-V curve scanning, and remote O&M make it the best choice for commercial 220V three-phase projects.
Product Materials
Key Features
AI-based AFCI Arc Protection
Real-time PV Grounding Detection
Master-slave Export Control
Dual RS485 Communication
Intelligent System Monitoring
Specifications
Rated Output
50 / 60 / 75 kW
Rated DC Voltage
450 V
Max Input Voltage
1100 V
MPPT Voltage Range
160–1000 V
MPPT / Strings
6 / 12 or 8 / 16
Max Input Current
3–4 × (42 / 36) A
Rated Grid Voltage
3/N/PE 220 / 230 V
Max Efficiency
98.5 %
Ingress Protection
IP66
Weight
90–93 kg
S6-GC3P(150–200)K07-ND
150–200 kW
54 A MPPT
150% DC/AC
C&I Grid-Tied · Three Phase · NV/HV
The S6-GC3P(150–200)K07-ND is the representative product of Solis’s new-generation C&I solution. With an MPPT current of up to 54 A, it is perfect for all 182/210 mm high-power PV modules and supports a 150% DC/AC ratio for higher yield. Intelligent DC breaking and AC-DC terminal temperature monitoring enhance system safety. Combined with SolisCloud online O&M tools, it delivers efficient, safe, intelligent, and economical high-power inverter solutions for large C&I PV systems.
Product Materials
Key Features
AI-based AFCI Arc Protection
AC/DC Terminal Temperature
Real-time PV Grounding Detection
Master-slave Export Control
Dual RS485 Communication
Specifications
Rated Output
150 / 200 kW
Rated DC Voltage
600 / 720 V
Max Input Voltage
1100 V
MPPT Voltage Range
160–1000 V
MPPT / Strings
7 / 21
Max Input Current
7 × 54 A
Rated Grid Voltage
220/380, 230/400, 480 V
Max Efficiency
98.8 %
Ingress Protection
IP66
Weight
105 kg
S6-GC3P(80–100)K07-LV-ND
80–100 kW
54 A MPPT
150% DC/AC
LV
C&I Grid-Tied · Three Phase · 220V LV
The S6-GC3P(80–100)K07-LV-ND brings the new-generation Solis C&I solution to low-voltage grids. With an MPPT current of up to 54 A, it is perfectly matched to all 182/210 mm high-power PV modules and supports a 150% DC/AC ratio for higher yield. Intelligent DC breaking and AC-DC terminal temperature monitoring improve system safety, while SolisCloud online O&M tools effectively reduce O&M costs and simplify plant management.
Product Materials
Key Features
AI-based AFCI Arc Protection
AC/DC Terminal Temperature
Real-time PV Grounding Detection
Master-slave Export Control
Dual RS485 Communication
Specifications
Rated Output
80 / 100 kW
Rated DC Voltage
450 V
Max Input Voltage
800 V
MPPT Voltage Range
160–800 V
MPPT / Strings
7 / 21
Max Input Current
7 × 54 A
Rated Grid Voltage
3/N/PE 220 / 230 V
Max Efficiency
98.8 %
Ingress Protection
IP66
Weight
105 kg
Utility Scale Solar Inverters
Two high-power grid-tied inverters from 255 kW to 350 kW — engineered for large utility PV plants where peak efficiency, high string count, and long-term field reliability define every design choice.
Solis-255K-EHV-5G-PLUS
255 kW
EHV
28 Strings
Utility Grid-Tied · Three Phase · 1500V DC · EHV
The Solis-255K-EHV-5G-PLUS is a 255 kW extra-high-voltage string inverter designed for large utility-scale PV power plants. Its 28-string "Y" type DC connection topology maximises string utilisation and simplifies field cabling. A built-in anti-PID function protects module performance over the long term, while high-precision intelligent string monitoring pinpoints faults instantly to keep plant performance optimised around the clock.
Product Materials
Key Features
12 MPPTs, 99.0% Max Efficiency
>150% DC/AC Ratio
IP66 · Nighttime PID Recovery
Night SVG Function
Intelligent I-V Curve Scan
Specifications
Output Power
255 / 235 / 220 kVA
Max Input Voltage
1500 V
Rated DC Voltage
1080 V
MPPT Voltage Range
480–1500 V
MPPT / Strings
12 / 24
Max Input Current
12 × 30 A
Max Short-Circuit Current
12 × 50 A
Rated Grid Voltage
3/PE 800 V
Max Efficiency
99.0 %
Ingress Protection
IP66
S6-GU3P350K06-EV-ND
350 kW
99% Eff.
IP66
C5-M
Utility Grid-Tied · Three Phase · 1500V DC · 800V AC
The S6-GU3P350K06-EV-ND is a 350 kW utility-grade three-phase string inverter operating at 1500V DC and 800V AC for maximum system voltage utilisation. With up to 99% peak efficiency, 6 MPPTs, and 30 string inputs, it minimises BoS costs on large utility projects. IP66 protection and C5-M corrosion resistance ensure dependable long-term operation in harsh coastal and desert environments, while maintaining 86% of rated power output even at 51°C ambient temperature.
Product Materials
Key Features
>150% DC/AC, 30 String Inputs
IP66, C5-M Anti-Corrosion
Intelligent I-V Curve Scan
AC/DC Terminal Temp Detection
20ms Fast Reactive Power Response
Specifications
Rated Output
350 kW
Max Input Voltage
1500 V
Rated DC Voltage
1080 V
MPPT Voltage Range
480–1500 V
MPPT / Strings
6 / 30
Max Input Current
6 × 80 A
Max Short-Circuit Current
6 × 125 A
Rated Grid Voltage
3/PE 800 V
Max Efficiency
99.0 %
Ingress Protection
IP66
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