Solar inverter comparison table

Fronius Primo + Symo

Enphase iQ7+

SolarEdge HD Wave

Sungrow SG (Premium) Range

Efficiency 

MAX 98.1%

MAX 96.5%

MAX 99.2%

MAX 98.4%

Cooling System

Active fan forced cooling

Natural convection

Natural convection

Natural convection

Warranty

10 (5+5) Years

10 Years

12 Years (extendable to 20 or 25 years)

10 Years

Safety Features

  • Automatic Fault Current Interrupt

  • Ground Fault Protection with Isolation Monitor Interrupter

  • DC disconnect

  • DC reverse polarity protection

  • RCD/MCB Protected AC cabling up to and including rooftop inverters. All rooftop cabling can be isolated via the ground isolating switches in the event of a fire, damaged cable or earth fault (safest technology)

  • Arc fault protection

  • “SafeDC protection”

  • Built-in surge arresters & RCD

  • Reverse connection protection

  • AC short circuit protection

  • AC short circuit protection

  • Grid monitoring

  • PV string current monitoring

Online Monitoring

Standard (requires internet connection)

Module Level Monitoring (requires internet connection)

Module Level Monitoring (requires internet connection)

Standard (requires internet connection)

Shading Optimisation

Optional Extra

Standard

Standard

Optional Extra

House Consumption Monitoring

Optional Extra

Standard

Standard

Optional Extra

Technology

DC String Inverter

Micro Inverter

DC String Inverter with module optimisation

DC String Inverter

Our Experience with after install customer support

8/10

9/10

5/10

7/10

Price

$$$$

$$$$$

$$$$

$$$

Our Opinion

7/10
9/10
7/10
8/10