Best 5kw Inverter [Updated: December 2025]
Aug 4, 2025 · The integration of 5kW inverters supports energy independence, environmental sustainability, and economic savings through reduced utility costs. For example, families using
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4 FAQs about How much does the new 5kw inverter cost
How much does a 5kw solar inverter cost?
For example, decent-quality 5kW solar inverters, which can support up to 6.6kW of panels, start at $1,000 for budget single-phase models (e.g., Sungrow, Goodwe, or Solis) and up to $2,000 for premium single-phase models (e.g., Fronius or SMA). If you want a 3-phase, 5kW inverter; add around $400 to those prices.
Can a 5kw inverter be used with a 6.6kw Solar System?
For example, a 5kW inverter is suitable for use with a 6.6kW solar system. There are system losses as solar panels convert sunlight to electricity. It allows for the use of lower-rated inverters. Make sure that the inverter you buy has a long enough warranty.
How much does a solar inverter cost?
A good-quality 5kW single-phase solar inverter costs $1,320 – $2,500. A 3-phase solar inverter costs between $1,900 and $2,300, depending on the quality. While inverters have a 15-year lifespan, but some makes and models are more reliable than others. Speak to your local installer about the best brands and models currently available.
How much does a 5kw Solar System cost?
The price of a 6.6kW system with a 5kW inverter is the same as for a 6.6kW system, expect to pay between $5,500 - $8,000. The cost of installing a 6.6kW system vs a 5kW system is negligible. For the extra system capacity, you are only paying more for the solar panels and some small additional installation costs.
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