Small Commercial Solar Inverters (15–30 kW) Ranked

Small Commercial inverters (15–30 kW)

Three-phase inverters in the 15–30 kW range, the sweet spot for SMEs, schools, and light industrial. Judged on efficiency ROI, string flexibility for complex commercial roofs, monitoring depth, and grid compliance. Backup matters less; bankability and O&M track record matter more.

Product search

Maker status:no notesfinancial note, still tradinginsolvency / administration / exitDetails on each scorecard

Residential <=15 kW Small Commercial 15-30 kW C&I >=30 kW

Market context

Global benchmark

Global evidencechange in the site menu

Premium European

Verto 27.027kW

Fronius Three-phaseString4 MPPTs

Superior

Sunny Tripower 25.025kW

SMA Three-phaseString2 MPPTs

Very good

Value & Volume

HIT L G312–20kW

Hoymiles Three-phaseHybridEssential-load backup

Superior

SUN2000-30KTL-M330kW

Huawei Three-phaseString4 MPPTs

Very good

MID 25KTL3-X25kW

Growatt Three-phaseString3 MPPTs

Very good

GW25K-MT25kW

GoodWe Three-phaseString3 MPPTs

Very good

SDT G35–20kW

GoodWe Three-phaseString3 MPPTs

Very good

Inverter

SH15T / SH20T / SH25T Three-Phase15–25kW

Sungrow Three-phaseHybridWhole-home backup

Superior

X3 Ultra15–30kW

SolaX Three-phaseHybridWhole-home backup

Superior

EK90 HS5 T39.999–20kW

SAJ Three-phaseHybridWhole-home backup

Very good

HiOne T G38–20kW

Hoymiles Three-phaseHybridWhole-home backup

Very good

SG20RT-P215–20kW

Sungrow Three-phaseString2 MPPTs

Very good

Powerwall 3P Integrated Inverter5–15.4kW

Tesla Three-phaseHybridWhole-home backup

Very good

PLENTICORE G34–20kW

KOSTAL Three-phaseHybrid3 MPPTs

Good

Maker status:no notesfinancial note, still tradinginsolvency / administration / exitDetails on each scorecard

Scores are tier-weighted. Efficiency counts more in C&I; backup and aesthetics less. Full methodology.