Elon Musk proclaims the coronation of Powerwall 2.0
Today at 12:15 Eastern Standard Time, Elon Musk announced the arrival of the Tesla Powerwall 2.
Some people were enthusiastically looking forward to this announcement, but I was not. I fully expected to be underwhelmed, and as soon as Musk finished his two or three sentences on the actual system, I felt a near fatal lack of enthusiasm sweeping over me. [Read more…]
Which of our elected politicians can tell the difference? Read on to find out…
Yesterday all of South Australia was blacked out and parts of the state are still without grid power today. This occurred because a powerful storm damaged transmission lines and the entire state grid automatically shut down as a safety precaution to prevent more damage.
Restarting a grid after a complete shutdown is complex and requires several hours. And it took several hours for grid power to start to be restored.
There is no mystery to what happened. It is very simple:
1. There was a really big storm.
2. Transmission lines were damaged.
3. The grid shut down automatically as a safety precaution, like it should have.
If you don’t believe power lines were damaged by strong winds, here is a picture of high voltage, steel girder, transmission towers near Port Augusta. The wind bent them over so their tops touch the ground.
This picture shows how unusual the situation was. Transmission towers do not normally lie down on the ground to take a rest.
In addition to gale force winds there were also so many lightning strikes they would have been countless if someone hadn’t counted them and tornadoes. As more detailed information is reported we will probably learn if it was lightning strikes, gale force winds, or a big willy willy that provided the straw that safety precautioned the camel’s back. [Read more…]
This is how I felt after spending 2 days trying to work out the best electricity plans for solar owners.
I’ve said it before and I’ll say it again, electricity bills are confusing.
If you are one of those rare people who don’t find electricity bills confusing, then I have two things to say to you. Firstly, “Good for you”.
Secondly, “When are you returning to your home planet?” because I find it hard to believe you are human.
Because they are so confusing, it is very difficult to know which retailer offers the best plan for your household. Especially for people with rooftop solar, as they have the additional complication of accounting for feed-in tariffs. [Read more…]
Simon Hackett with an early customer’s double Zcell off grid system.
Yesterday, Aussie solar veteran Tony Smith left an interesting question at the bottom of our ZCell battery review. Tony asked, for an off grid application, how to handle the fact that the ZCell battery needs to shut down so it can perform maintenance mode every week or so: [Read more…]
You can now buy an Aquion salt water battery to power your home. Nemo not included.
UPDATE MARCH 2017: As of March 8, 2017, Aquion has filed a voluntary petition under Chapter 11 of the United States Bankruptcy Code
UPDATE JULY 2017 : Aquion Energy is resuming operations
Keen on storing your excess solar in a big battery? Worried about having a big box of toxic and/or flammable chemicals in your home? Then you’ll want to know about the Aquion battery and its salt water technology. [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…]
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…]
Is Malcolm Turnbull More Worried About Climate Change Battering Australia Or Right Wingers Battering Him?
Eight days after the election, it looks like the LNP will be returned with a slender majority. What does this bode for renewable policy in Australia? [Read more…]
What will give you the lowest bill, a standard or time of use tariff? What if you add solar? What about batteries?
Australians pay for grid electricity in two ways. The most common way is a standard tariff. But you can also choose a time-of-use tariff.
This is where you pay a fixed rate for each kilowatt-hour used, plus a hefty supply charge. Australians have been paying for electricity this way since the the electricity meter, invented in 1888, was developed into the ‘spinning dial’ type in 1914. So Australians have been using standard tariffs for over a century. [Read more…]
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