Solar Quotes Blog

Should you go off grid with a Powerwall 2?

bloke with powerwall 2 cutting the wires to his house

Thinking of getting a Powerwall 2 and taking yourself off grid? Then you need to read this first.

A long time ago, back in the days before we knew how lame the original Powerwall was compared to its hype or how good the Powerwall 2’s hype is compared to the original Powerwall, I wrote about whether or not my parents in sub-tropical Queensland could save money by going off-grid using lead-acid battery storage.

My conclusion was they could not save money even under almost ideal circumstances.  The benefit of staying on-grid and receiving even a low feed-in tariff for surplus solar electricity was too great to make saying sayonara to the grid connection wire worthwhile. [Continue reading…]

Cost Of Powerwall 2 Drops 9% Overnight

powerwall 2

The Tesla Powerwall 2 is now $800 cheaper in Australia.

Tesla appears to be unsure about how much to charge Australians for the Powerwall 2.

Or maybe they are sure but confused about how the Australian dollarydoo works.

Perhaps they’ve been confusing it with the New Zealand doubloon or the Fijian guilder?

I know I often do.

"Crikey! 900 Dollarydoos to the New Zealand doubloon and 6 centaroos to the Fijian guilder!"

“Crikey! 900 dollarydoos to the New Zealand doubloon and 6 centaroos to the Fijian guilder!”

[Continue reading…]

Unwitting Warranties: A Ticking Time Bomb For The Battery Industry

Ben Affleck had his eyes batted for two hours a day in preparation for this role.

The other day a salesperson give me the rundown on a home battery system he had on display.  While it wasn’t cheap, it certainly appeared to be a very impressive piece of technology.  The salesperson clearly had a lot of confidence in it because, even though its written warranty was only for 10 years, he […]

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Solar Rebate Ending?

America's new President

Have you heard the news?  The solar rebate is ending!  It’s all over the internet.  Or at least all over the parts of the internet that run ads from shonky solar companies.  According to them, if you don’t rush out right now to get rooftop solar installed before the first of January you’ll end up […]

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Powerwall 2 Full Spec Released: Low cost but ‘unlimited cycles’ warranty has limits.

powerwall 2 spec

Yesterday Tesla kindly sent me the Powerwall 2’s full data sheet and warranty. We already knew the headline specs: Storage: 13.5kWh Power: 5kW steady, 7kW Peak Price: AUD$8,000 + GST and Installation But there were lots of questions over the exact configuration and warranty details that could make or break Tesla’s shiny new battery. Most […]

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Energex Tries To Stop Tide Of Batteries With Bonkers Tariff 31 and 33 Rule

king energex on a throne

Energex is the state government owned network operator for all of Queensland.  They receive electricity from the high voltage transmission lines that Powerlink manages and distribute it to the state’s homes and businesses. They also kindly distribute it things that aren’t homes or business such as my cousin’s non-profit Fight Club Community Center1. Footnotes The […]

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Reposit Power Review: Does It Really Halve The Payback Time Of Your Battery?

Reposit pokie

Reposit is a Canberra based startup. They make software which optimizes the performance of a home battery system. The software is installed on a controller the size of a circuit breaker that sits in your switchboard.

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Congratulations! Your 10 Year Solar Panel Product Warranty Is Probably 25 Thanks To Australian Consumer Law

magician turning a 10 year warranty in to 25 year warranty

When people ask me about solar panel warranties, I tell them to look at the product warranty.  This is usually for 10 or 12 years. I tell them not to worry about the performance warranty, which is normally for 25 years or sometimes 30.  You see, while most manufacturers are happy to honor their product warranties, not […]

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Will Trump Take A Dump On Solar?

usa flag in solar cells

Donald Trump has won the US Presidential election.  The people of the United States of America have spoken.  They haven’t spoken very well, but they have done it.  And since they will have a guy in charge who never shuts up, they’re not likely to stop now.

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Is Tesla’s Solar Roof Fair Dinkum?

elon musk on tv

On Saturday the 29th of October, Elon Musk made an announcement that thousands of Australians were waiting to hear. He spent 37 seconds making that announcement. Then he spent most of the rest of the time spruiking Tesla’s new solar tiles.

[Continue reading…]

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