Ronald cleaning the solar array powering his country residence.
I have already written about why it doesn’t make sense to pay people to clean your solar panels. I also wrote it doesn’t make a lot of sense to clean them yourself. Once you add in the value of your time, the chance of falling off the roof and killing yourself, and how cleaning panels usually only adds a couple of percent to their average output, it is not really worth it. [Read more…]
Solar Panel Cleaning – It’s A Dirty Job, But Nobody Has To Do It
The day your solar panels are installed is the day you will get the best performance out of them. After that it is all down hill. Admittedly, it is a very shallow hill and it might take over 40 years to get to the bottom, but day one is going to be as good as it gets.
One of the reasons for this is dirt. As soon as your panels are out in the open in the clean air, or not so clean air, dust will start to settle on them, blocking sunlight, reducing their efficiency, and costing you money.
The obvious solution is to pay someone to clean those panels, or get out there and clean them yourself. And sometimes this obvious solution will be a sensible course of action. If a dust storm has covered your panels in dirt or pelicans have had a poop party on your roof, then it’s a pretty good idea.
But most of the time solar panel cleaning is not worth it. [Read more…]
If you are putting solar on a house by the sea then I’m jealous! And I also need to tell you about the IEC-61701 standard.
Oh, I do like to be beside the seaside,
I do like to be beside the sea…
Ever wonder why you never hear a robot singing that song? I’ll tell you why.
Two words: corrosion!
Sorry, that was one word. Two words – bad corrosion! [Read more…]
Did you know you can add panels up to 133% of your inverter capacity? Read on to discover why oversizing solar is a smart move (as long as your roof is big enough – unlike this guy’s).
Installing rooftop solar systems with a total panel capacity greater than the inverter capacity is usually a very good idea. It will certainly save you money, but it can also help get around the restrictions many Australians face on the size of inverter they can connect to the grid. [Read more…]
Ronald looks into Seraphim Solar Panels. Yes, Ronald really looks like that.
One solar panel manufacturer who seems to be popping up a lot recently is Seraphim Solar. On the plus side they appear to make top quality panels which have done a good job of impressing people, receiving an average rating of almost 4.9 out of 5 from our customer reviews.
But they get a black mark, for not having an Australian office despite having been sold here for some time. That fact could be a showstopper for some solar buyers as there are plenty of good solar panels for sale in Australia with fully supported Australian offices
Update 10 July May 2019: SAE group is an importer of Seraphim panels and responsible for manufacturer warranties for panels they imported, but are not the only importer of panels and not responsible for the manufacturer warranties of panels brought into the country by other companies.
The Australian solar industry. It’s full of kind, generous people.
Do you love children?
I do.
And this is not a lead in to a stupid joke where I say, “…with tomato sauce”.
In fact, all things considered, I find children to be about exactly as annoying as I find adults. So if you’re human, no matter what your age, you’re okay as far as I am concerned. [Read more…]
Sunpower X series panels have breached 24% efficiency.
I have previously mentioned SunPower makes excellent solar panels. This definitely includes their uncanny X-Series, which are a high efficiency, high reliability, line of monocrystalline panels. In January they broke the record for most efficient solar panel with a figure of 22.8%. And now, less than six months later, they have increased that by an impressive 1.3 percentage points to 24.1%.
I can only marvel at the improvements in PV efficiency that have occurred so far in 2016. Just six months ago I would have said the chance of any panel exceeding 24% efficiency this year would have been a long shot, but lately improving efficiency has been smashing records like an unstoppable juggernaut. [Read more…]
Q-Cells clever Q.ANTUM design of solar cell promises better efficiency for cheaper, multi crystalline panels.
Hanwha Q Cells has smashed the record for polysilicon solar panel efficiency like a robot driving a steel fist through a fragile silicon wafer. They have achieved an efficiency of 19.5% with a standard sized panel, 1.67m by 1m in size. The module is 301 watts and Hanwha claims it was produced using standard processes on industrial scale production equipment, which means it should be ready to go into production. [Read more…]
SunPower make very good, very expensive panels.
SunPower make some of the best solar panels in existence. Or at least some of the best on this planet. Perhaps Spectrolab regularly shoots better ones into space to mars or somewhere, I don’t know. But if you want to buy something that is meant to go on a roof and not a space probe, then SunPower solar panels are hard to beat.
Now note that I did say some of the best and not some of the cheapest. If you haven’t worked out that the words cheap and best don’t normally go together, then I have a really low quality laptop held together with superglue and wooden rulers that I’d like to sell to you at a really high price. [Read more…]
Phono Solar Gets A Rave Review From Respected testing House DNV-GL
Getting the most out of solar panels depends upon them working as promised when they are installed, and then continuing to work in a similar way for decades to come. To assist people in selecting solar panels that are likely to do this, DNV GL, an international certification organization, performed tests upon a wide range of mostly Tier 1 solar panels including Phono Solar, Kyocera and numerous other manufacturers. They published the results in their PV Module Reliability Scorecard Report 2016. Or at least they published a very useful review of the results, as they didn’t include everything they found. [Read more…]
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