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Reduced BOS Costs - SolarEdge vs Traditional String Systems

SolarEdge Commercial Solar Power Solution
  • 27-60 modules per string (up to 15.3kW)
  • Uneven strings can work in parallel
  • Only shaded modules produce less power. Other modules on string are not affected
  • Any module size or type can be used, improving your to reduce your energy cost design flexibility
  • Modules can be installed in any orientation/tilt
Typical String Inverter
  • Limited string length
  • Must match string lengths per MPP tracker
  • Shaded modules reduce total power collected from all modules on that string
  • Cannot mix different types of modules
  • Locked in to same orientation/tilt per MPP tracker

Cabling Comparison

The SolarEdge solution allows up to 15.3kW per string. Longer strings allow for fewer strings to be connected, resulting in less wiring, fewer combiner boxes, fuses and other BoS components.

In this 100kW example, the BoS cost saving amounts to 1.2c/Wp

Black Line Included DC Cables Red Line Additional DC cables
SolarEdge cabling
PV installation
Traditional Inverter cabling
PV installation

Inverter Replacement/Warranty Extension

Most standard inverter warranties typically range between 5-10 years. This means that inverters require at least one replacement during the system lifetime. Funds need to be set aside to cover replacement costs or alternatively, inverter warranty extensions should be purchased.

Typical 20-year warranty extensions cost 3-4c/Wp. With SolarEdge:

  • 70% of the inverter system cost, namely the power optimizers, have a standard 25-year warranty.
  • SolarEdge inverters have a standard 12-year warranty, with warranty extension up to 20 years costing as low as 1c/Wp. This amounts to a savings of 2-3c/Wp.
Inverter Replacement/Warranty Extension

O&M Cost Savings

SolarEdge can deliver 15%-25% savings on annual O&M costs


  • Module-level performance monitoring – free for 25 years, no data hosting fees
  • Power line communication, no hardware is needed for module monitoring
  • Inverters ship with support for direct Ethernet and RS485 connectivity


Preventive Maintenance

  • High resolution monitoring
  • Remote inspections
  • Fewer strings – less inspection time


Corrective Maintenance

  • Pinpointed alerts
  • Advanced troubleshooting
  • Safer maintenance
O&M graph
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Increase Lifetime Revenue

Install more modules with better PV design
Generate more energy over the system lifetime

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Mitigate Risk

Built-in protection – SafeDC™
Maximum safety of people and assets

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