Top 10 World's Most Efficient String Inverters (< 5 kW)

The table below shows the Top 10 of the current commercially available string inverters for systems below 5 kilowatts with the highest maximum inverter efficiency.

This information has been collated from public sources such as online product datasheets.

Manufacturer	Inverter Efficiency	Inverter Model
Steca	98.60%	StecaGrid 3600
Sunways	97.80%	NT5000
Fronius	97.70%	IG TL 5.0
Diehl AKO	97.70%	4800 TL
Voltwerk	97.70%	VS 5
Solaredge	97.60%	SE4000
Mastervolt	97.50%	SunMaster ES4.6
Mitsubishi Electrics	97.50%	PV-S4200
Solutronic	97.40%	Solplus 50
Refu	97.40%	Refusol 500K

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