Best commercial solar inverters in 2026

Updated October 2026

Inverters from 15 kW to 250 kW for business rooftops, farms and small solar plants, ranked by their Green Energy Score.

1. 1
   

   Jupiter MKII 70-110 kW

   PowerSolutions EMEa Srl

   97

   Top pick: highest score in this guide.

   • 70 kW String Inverter
   • 99% efficiency
   • 6 MPPT inputs
   • 10-year warranty
2. 2
   

   HopeSunHV 250KTL

   Shenzhen Hopewind Electric Co., Ltd.

   97

   • 250 kW String Inverter
   • 99.01% efficiency
   • 12 MPPT inputs
   • 10-year warranty
3. 3
   

   SOFAR 250-350KTLX0

   Shenzhen SOFARSOLAR Co., Ltd.

   96

   • 250 kW String Inverter
   • 99.05% efficiency
   • 6 MPPT inputs
   • 10-year warranty
4. 4
   

   HYX-S250K/305K-HT

   Zhejiang Hyxi Technology Co., Ltd.

   96

   • 250 kW String Inverter
   • 99.03% efficiency
   • 6 MPPT inputs
   • 10-year warranty
5. 5
   

   KSG 250UH-M0 Three-phase

   Shenzhen Kstar Science & Technology Co., Ltd.

   96

   • 250 kW String Inverter
   • 99% efficiency
   • 12 MPPT inputs
   • 10-year warranty
6. 6
   

   HuaweiSUN2000-215KTL-H0

   Shenzhen Topsky Energy Co., Ltd.

   96

   • 200 kW String Inverter
   • 99% efficiency
   • 9 MPPT inputs
   • 10-year warranty
7. 7
   

   String Grid-Tied PV Inverter

   Rahvolt New Energy Storage Intelligent Technology Co., Ltd

   96

   • 250 kW String Inverter
   • 99% efficiency
   • 12 MPPT inputs
   • 10-year warranty
8. 8
   

   ZGR Solar STR 100 / 120

   Zigor Corporación S.A.

   96

   • 120 kW String Inverter
   • 99% efficiency
   • 10 MPPT inputs
   • 10-year warranty
9. 9
   

   Soleil SPX series

   SIEL S.p.A.

   96

   • 250 kW String Inverter
   • 99% efficiency
   • 6 MPPT inputs
   • 10-year warranty
10. 10
    

    KSG-136UH Three-phase

    Shenzhen Kstar Science & Technology Co., Ltd.

    96

    • 150 kW String Inverter
    • 99% efficiency
    • 6 MPPT inputs
    • 10-year warranty