This week I found myself involved in two commercial solar projects. One will almost certainly print money for decades. The other looked promising at first glance but fell apart the moment we climbed onto the roof.
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Commercial Solar: When It’s Brilliant And When It’s Useless
Finally, Tesla Powerwall 3 Is Talking To Its Father

In a move widely wished and wildly anticipated, Tesla have finally answered the question all Powerwall 2 owners have been asking since August 2024: surely the new Powerwall 3 is compatible with the Powerwall 2? Well yes, it is now, almost.
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Huawei Battery Expansion? Talk To iStore Before Its Too Late

Do you own a Huawei hybrid solar inverter? Are you thinking of adding or expanding your battery?
This is a call for the 40,000 odd Huawei customers who probably don’t know they need to talk to iStore.
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Are VPP Payments Worth The Wear On Your Battery?
Virtual Power Plants (VPPs) are often marketed as “easy money” for battery owners: let your battery support the grid during peak periods and receive a small payment. Sounds simple, right?
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Don’t Bet The House On Cheap Batteries – We’ll All Pay Twice

After 17+ years experiencing the ebb and flow of the solar industry, the sheer number of new battery brands available right now is mind boggling.
To me the only thing more confusing is this; why do people peg their expectations so low when they see a rock bottom price?
The Air Con Efficiency Rating You Should Really Care About

Pop quiz! What’s more important when it comes to buying an air conditioner?
- (a) Cooling efficiency
- (b) Heating efficiency
- (c) Purple monkey dishwasher
Gas Connections Are About To Get A Whole Lot More Expensive
The gas death spiral is accelerating so fast that the dwindling number of Australians still tethered to gas must be feeling dizzy (or perhaps that’s just the methane seeping in from those leaky cooktops). The number of households on gas continues to decline, with new costs set to be foisted on those who remain connected.
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Your EV Will Eat Your Home Battery – If You Let It
Ten per cent of new cars sold in Australia are now plug-in EVs. Home battery sales are going through the roof. That means a growing number of homes now have both. Or soon will.
And yet, hardly anyone thinks about how the two will work together.
Battery Rebate Scramble: Installers Booked Out Until May
The rush to get large home batteries before the federal rebate is restructured has seen many reputable battery installers booked out through to May, when the changes to the Cheaper Home Battery Program come into force.
Vale Michael Bloch

Michael Bloch, SolarQuotes’ most prolific writer, died last week after a long illness.
Michael joined SolarQuotes in April 2017 and went on to write an extraordinary 3,363 posts over almost nine years. His final article was published on 22 January 2026. That volume alone is remarkable, but it only hints at the impact he had.

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