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Review of SunPower Solar Panels

SunPower is one of the world's leading solar panel manufacturers

Check out our quick guide to SunPower's solar panel range

Fill in the form at the top of this page to receive free solar panel quotes


Thinking about getting yourself some solar panels? You're certainly not alone – as solar panels become more affordable, homes all over the UK are installing these eco-friendly panels at home.

If you've done your research on solar panel suppliers, you've probably come across SunPower, which has been ranked as one of the top 10 solar companies in the world.  But what does this company have to offer? Find out everything you need to know here.

Want to skip the reading? Pop a few quick details in this form and let us take the reins. Once we have your details, we'll pass on the information to our trusted suppliers, who'll be in touch with their best prices.


What's on this page?



Makes of solar panels

Solar panels are constructed from as many as 72 solar cells interconnected to produce a specific power output and how well they achieve their rated output and efficiency will depend on the quality of their construction, design and how they are installed. There are quite a few solar panel manufacturers and choosing one of the top brands is important if one wants the best quality and efficiency levels.



The year 1993 saw SunPower's solar panels power a Honda vehicle that won the Adelaide solar race by a whole day.

SunPower solar panels are now one of the world's most efficient solar panels available and SunPower has built more than 120 large scale photovoltaic solar PV systems over the last 10 years which is reported to be more than any other solar panel manufacturer in the world.


SunPower solar modules

E Series 327w

X Series 335w All Black

X Series 345

Commercial E series for systems over 50 kWp

All have 96 cells and the panel sizes are around the same size as normal panels – 1046 x 1559m


How good are SunPower solar panels?

SunPower solar panels are well known for being built sturdily and offering conversion efficiency of up to 21.5%. With low voltage temperature coefficients, SunPower solar panels are able to ensure optimal battery charging current during high-temperature operation.

SunPower solar panel pricing is competitive and products are shipped with a 25-year warranty on power production.


SunPower solar panel prices

SunPower solar panel prices will vary between suppliers and also the power output rating and specification. The SunPower SPR 90 costs around £332 and provides 90 watts of power output. The SPR 130 135 watt solar panel costs about £479 from many UK suppliers.

It is advisable only to compare SunPower solar panel prices between MCS (Microgeneration Certification Scheme) accredited companies to ensure that the supply and installation meet UK government guidelines.


Next steps

Now you've seen SunPower's excellent range, you should be ready to go solar – especially as 65% of people are likely to buy a house with solar panels, according to our latest National Home Energy Survey.

Want to find out how much solar panels will cost you? Complete this short form, and our professional installers will contact you.

Amy Catlow
Amy Catlow Publishing Director

As the self-proclaimed ‘Queen of Green’ Amy has been an environmental evangelist for as long as she can remember. Whether it’s crunching the data or helping visualise it, Amy has the nous to help you turn your home into an money saving eco-fortress.

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