1500V string inverters replaced central inverters as the utility standard in 2023-24. Chinese suppliers now hold 82% global market share; typical CIF price is $0.028-0.035/W for 300 kW+ units.
300 kW CIF Rotterdam
$0.029/W
5 MW pallet
Efficiency (CEC)
99.0–99.05%
best in class
MPPTs
9–12
per unit
Supplier shortlist
- Sungrow SG350HX (market leader)
- Huawei SUN2000-330KTL-H1 (best analytics)
- Sineng EP-3520 (best value)
- Kstar KSG-320K-DM (China-only price)
Frequently asked questions
QHow many MPPTs matter?
For rooftop/tracker projects — 12 MPPTs handle string mismatch better. For open-field fixed-tilt — 9 MPPTs are sufficient.
Source with confidence
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