Screen captures from a Tesla VPP customer’s monitoring app. Look at that battery go! Green is battery, grey is grid. Above the line is using battery/grid. Below the line is charging battery/exporting to the grid.
Tesla Powerwall owners taking part in South Australia’s Virtual Power Plant (VPP) project have a continuing exciting ride for a few more days yet. [Read more…]
A two year old, $150,000 Tesla has a failed headlight. Tesla are refusing warranty, and want more than $4,000 to replace it.
Tesla’s notorious customer support is on display again, with a Model S owner offered a repair bill of $4,000 for a headlamp that failed a little over two years after purchase. [Read more…]
A Brisbane researcher has alleged serious security vulnerabilities in a Sungrow inverter. Sungrow are not happy with him.
Update: patch available – see end of story
A few months after I wrote about security in the home renewables space, a Brisbane engineer bought a Sungrow SH5k-20 inverter, decided to “poke around”, and claims to have turned up a crop of serious security vulnerabilities. [Read more…]
Australia has lots of lithium. Unfortunately due to the nature of the deposits, it takes a lot of energy to process into a form suitable for batteries. Luckily there are solutions to this problem.
I feel undeservedly lucky, that in the worst bushfire summer imaginable, fires came no closer than about 5 km from the little patch of bush I inhabit. [Read more…]
How do you get an SMA inverter to talk to Tigo Optimisers? Sometimes with great difficulty it seems.
Update: see SMA response at end of story. It’s time to chase up another customer experience, courtesy of Sharon, who contacted us because her SMA-Tigo installation turned into a saga. [Read more…]
De-energising a solar system can be dangerous if done incorrectly.
Alliance Solar doesn’t seem to have a media manager, and that’s a problem, because we reckon a bit of crisis communications will be in order. SolarQuotes emailed the company at its only public address, the ubiquitous info@ format, because its website doesn’t mention a media contact.
Why? Because a solar power system owner has posted tales of exploding kit in their reviews of Alliance Solar. [Read more…]
In spite of the best efforts of our government, Australia is going to overshoot 100% renewables.
That’s the conclusion of big names in renewables like Oliver Yates (inaugural CEO of the Clean Energy Finance Corporation and former independent candidate for the federal seat of Kooyong), who yesterday told a Smart Energy Council online seminar we should “re-industrialise” Australia to make the best use of excess renewable energy. [Read more…]
Tony Seba predicts the cost of Transport as a Service (TaaS) vs. Individually owned (IO) cars.
With just one new technology, according to author and Silicon Valley investor Tony Seba, the world will undergo a disruption that will completely remake our cities, transportation – and thankfully, the world’s emission profile. [Read more…]
The black tubes are the Zenaji Aeon battery. They offer a 20 year replacement warranty and cost $1,500 per kWh. Image: Zenaji
Australian battery vendor Zenaji is getting ready for what it hopes will be a ramp-up for lithium titanate batteries, which it says in home and grid storage applications offer better lifetime, safety, and value for money than the more popular and familiar lithium-ion chemistries. [Read more…]
Does the rapid pace of battery technology mean game over for gas will be sooner than expected?
Governments’ flailing support for fossil fuels was handed another card marked “are you nuts?” last week, with the Rocky Mountain Institute releasing a report saying renewables plus batteries are already cheaper than new gas plants, and will be cheaper than existing gas plants in the mid-2020s. [Read more…]
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