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I’ve seen more than one instance where roof restorers have ruined solar arrays, and it’s a horribly wasteful lesson for people to learn. If you’re thinking of having your roof painted, then make sure it doesn’t go pear-shaped with this simple guide to restoring a roof with solar panels on it.
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A year’s consumption data with a solar power system that stopped dead
Flicking through some photographs recently, I was reminded of a very expensive saga where thousands of dollars of electricity would have been saved with some free solar monitoring. Read on as we detail episode one of several expensive mistakes.
Tesla’s Powerwall 3 is starting to hit the ground in Australia. We’ve had the launch. Selected retailers are humble bragging about their latest Tesla deliveries hitting the ground, and Tesla is running installer training to get everybody ready. I went along on Friday to see what we could glean.
Some standards live forever. That’s a 100-year-old battery charger with a glowing valve rectifier maintaining an EV.
Running late on the morning school run? That’s when problems tend to hit. Even with two EVs and a PHEV in the driveway, I’ve learned flat 12v batteries are still a problem, and keeping a few tools handy can save the day. Let me show you why charging a flat 12v battery can be quicker than shifting the kids’ car seats into a new car.
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Whilst we usually try to make our blog posts understandable to almost anyone, this post will get technical, as I show, with numbers, why the new 1000-volt limit for residential solar makes life better for installers and homeowners alike.
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We’re headed back to the future, despite the stamp, this was a frame for 1kW in December 2007
When the Earth was young, feed-in tariffs were 44 cents, and solar panels were $5 per watt, we spent lots of time building angled frames, facing them in exactly the right direction for maximum yield. These days, with bargain panels wholesaling for under $0.25 per watt, you just buy more of them. So, are angled frames dead? I think not, but let’s explore why. [Read more…]
Australian Standards are too expensive, so we buy them from across the dutch.
Solar installers have a love hate relationship with the Australian standards. But with this week’s update of the solar inverter standard AS4777.1 there’s reasons to celebrate. Read on as I explain how raising the residential solar voltage limit to 1000 Volts DC helps put more solar on your roof and more AC power into your switchboard.
While it’s not a hard and fast rule, my advice for home battery owners who are moving house is this: once they’re installed, batteries are better value staying put. While batteries are expensive, moving them is doubly so. [Read more…]
Some weeks ago, I was asked a simple question; Can the cheap, simple, popular Tesla Wall Connector home EV charger still be installed in South Australia? It turns out the answer is yes, but read on, and we’ll explain why we had serious doubts.
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