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Last updated: 11 August 2017

With so many solar panel brands claiming to be the most efficient, best value, or technologically advanced, picking one above the rest is no easy task. We lab test and review the latest solar panels to help you choose.

  • Our solar panel buying guide will help you decide which type of panel you need.
  • Our member survey details our members' experiences with different brands' solar panels, inverters and suppliers.
  • To understand our testing rigour and scoring method, see how we test.
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Our test covers both mono- and multicrystalline panels, from Australian and international brands. This review includes the results from 12 months 'in the field': that's how long panels need to be tested, in all seasons, to give a true measure of their performance.

Our expert testers give every solar panel a thorough workout to help find the models that:

  • are closest to their labelled power output
  • deliver the most power per square metre of panel.

Our interactive comparison tool helps you find out which brands are most efficient and which have the best warranties. Note that there are no product images; most solar panels look very similar and appearance isn't a major factor when choosing them.

For more in-depth information about the results of our solar panels test, see what we found.

Since first publishing these results, we've been advised that the LG panel is still available, as of March 2017.

The other tested models are mostly now superseded by newer, higher-spec versions. Regardless of their score, we don't recommend models that are not currently available for you to buy. But you can still use our test results for them; if a panel performed well in our test, you can reasonably expect a good result from any higher-yielding panel that replaced it.

We are currently planning a new review of solar panels along similar lines as this one. We're hoping to bring the first set of results to you in early 2018.

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Brand

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List of brands we tested in this review.

Price

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Price per panel paid in June 2015. Actual prices can vary significantly between suppliers - you need to compare costs of whole systems and installation, not just the panels.

enter value/s in increments of 1 between 203 and 500

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Claimed nominal power (W)

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The nominal power output for the panel under standard lab conditions.

enter value/s in increments of 1 between 250 and 327

Type

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Monocrystalline or multicrystalline (aka polycrystalline). IBC = "interdigitated back contact". See our buying guide for more information on the different types.

Test results

Measured average power outdoors 12 months

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For one panel. Obtained from testing over 12 months in the CSIRO outdoor array. For details, see our article on how we test solar panels.

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Measured power in lab when new (W)

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For one panel. Obtained from CSIRO laboratory flash testing when the panel was new. For details, see our article on how we test solar panels.

enter value/s in increments of 1 between 0 and 0

Included in this review

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  • Overall score
  • Recommended
  • Measured average power outdoors 12 months
  • Measured average power outdoors 3 months (W)
  • Measured power in lab when new (W)
  • Yield per 1000W by label 12 months (W)
  • Yield per 1000W by label 3 months (W)
  • Efficiency
  • Good points
  • Bad points
  • Brand
  • Model
  • Price
  • Claimed nominal power (W)
  • Claimed power tolerance
  • Width (mm)
  • Length (mm)
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  • Frame colour
  • Warranty (yrs)
  • Contact
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