A new study from America’s NREL might have us rethinking our stance on solar panel cleaning. [Read more…]
Amber Electric Races to Upgrade as Tesla Powerwall Demand Surges
Amber Electric, the upstart electricity retailer that allows consumers to play the wholesale electricity market, recently sent out an email to its Tesla Powerwall customers, and it’s a mix of good and bad news. [Read more…]
Cutting-Edge Batteries From Amprius Dominate The World Solar Challenge

The Amprius battery pack in the third-placed Brunel ‘Nuna 12’ solar race car.
The Bridgestone World Solar Challenge is not just a race. It’s a tough test for solar-powered cars, travelling a 3,000-kilometre stretch from Darwin to Adelaide. Every year, this race shows off the latest and best in solar, battery and EV technology. [Read more…]
How A Second Tesla Powerwall Unlocked 8 Cent Grid Electricity For Sean
Meet Sean, a bloke from Brighton, South Australia who loves his gadgets as much as his missus loves their new spa. Despite 8kW of solar panels, Sean had an energy bill that’d make a grown man cry. So, what did he do? Buckled down, got smart, and supercharged his battery setup. Here’s the lowdown: [Read more…]
Fobbed Off! Comparing Tesla and Electric Mini Service Costs
Picture this: You’re standing at your dining table, staring at two sets of car keys—one for a Mini Cooper SE, a zippy little electric car, and the other for a Tesla Model S, the electric behemoth. [Read more…]
Tesla Drop Advertised Powerwall Price By $800
Update Sep 6 2023: My mistake – Tesla updated the price on the website a couple of months ago – not this week – to $12,100 and I missed it at the time. I’ve updated the post and the price guidance for installed systems to reflect this. [Read more…]
Tesla’s Powerwall Hits Cheapest Australian Price Since 2019 With $750 Rebate

Udderly electrifying savings available on Powerwalls – but only if you moo-ve fast. Install: Platinum Solar Designs
Tesla has announced a $750 rebate for its Powerwall in Australia, a part of a global rebate push that includes the USA (US$500) and the UK (£350). Here’s a breakdown of what this means for prospective Australian Powerwall buyers. [Read more…]
AER Finally Gets to Work on Flexible Export Rules
Regulations to govern Flexible Exports of household solar PV to the grid took a step forward this week when the AER published its “final response” to a consultation conducted late last year. [Read more…]
Is The Budget Sungrow Battery Any Good? I Installed One To Find Out…
Recently, I decided to retrofit a 12.8 kWh Sungrow battery and hybrid inverter to a 6.6kW solar system on a rental unit I own. The video above is a deep dive from start to finish, but if you don’t feel like watching, here’s a summary.
[Read more…]
Did Solar Analytics Just Kill The Solar Consumption Meter?
Last week, monitoring software company Solar Analytics announced they can monitor solar consumption in homes without a consumption meter. [Read more…]






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