JoNova

A science presenter, writer, speaker & former TV host; author of The Skeptic's Handbook (over 200,000 copies distributed & available in 15 languages).


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Another day, another blackout — Lightning is too much for Australian grid now

Last Saturday at 1pm both Queensland and South Australia were cut off from the national grid. In Sydney 45,000 homes lost power for a couple of hours. Shops had to close. Trains were stopped. Passengers were stranded. Traffic signals were not working on major roads. Chaos. Industrial users shut down in a mass of 725MW of load shedding.

Apparently this was due to lightning.

Once upon a time, Australian states were self sufficient, now interconnectors allow us to share problems:

Two states “Islanded” simultaneously

Two vital interstate power interconnectors blew without warning at the weekend, causing blackouts and critical industrial incidents and isolating two states from the national electricity grid, in a dramatic reminder to Scott Morrison just days into his prime ministership of the nation’s energy policy paralysis.

Queensland and South Australia were exporting power across the interconnectors when they were simultaneously tripped on Saturday, forcing power to be cut to big industrial users and retail customers in NSW and Victoria.

The nation’s biggest single-site power user, the Tomago aluminium smelter in the NSW Hunter Valley, lost power without warning, halting two pot lines for up to an hour. Alcoa’s Portland smelter in [...]

“No bias here” says Aust Energy Market chief while planning 100% for unnecessary, pointless renewables transition

Pull the other one.

No Bias — Audrey Zibelman,

Audrey Zibelman, the improbable green-lawyer manager of our National Energy Market claims her advice is not biased towards renewables. This is the same Zibelman who tells us that “resisting the energy transition is like trying to resist the internet.” As if governments had to legislate “An Internet Target” and mandate we do 16% of our shopping online. The same Zibelman believes  “we’re the last generation on earth who can really do something about climate change.” She thinks she’s changing global weather with our power grid. By 2100 historians will have people rolling in the aisles with that one. What were they thinking?*

Her bias is so all encompassing she can’t imagine a world twenty years hence which still runs on coal and gas and views the temporary experiment with unreliables as a disastrous, predictable mistake, a historic dead-end. Renewables are the B-size-batteries, the hydrogen-filled-air-ships and the X-rays for shoe shops that didn’t take over the world. She assumes that the forced “transition” to renewables is inevitable, natural and necessary. What if it’s an artificial, uneconomic, unnecessary accident of profit hungry industry rent-seekers and  fatuous virtue signaling fools?

Hands up who [...]

Gamechanger: Chinese Crypto Miners can get 8c cheap electricity in Australia using our coal power

Wow. Wait til word gets out. This is dynamite.

Chinese Bitcoin miners are reopening the Hunter Valley coal power station called Redbank in NSW. They have a deal that gets around our gargantuan, mismanaged grid by buying coal power direct for 8c/kWh, while Australians in the same place pay 28c/kWh.

This is exactly the nightmare the head of the Australian Energy Management Organisation (AEMO) spoke of just last week — that “big players could abandon the grid”. That’s a degenerate spiral leaving a shrinking pool of suckers to pay for the inefficient, bird-killing, blackout prone, witchdoctor grid.

Bitcoin mining’s growing demand for cheap energy revived a shuttered coal mine

Ashat Rathi, Quartz

Consumers there pay, on average, $A0.28 ($0.22) per kilowatt-hour (kWh) for electricity. But Hunter Energy, which owns Redbank, are offering the crypto miners electricity at a fraction of the cost. The “first-of-its-kind” deal, as the Age puts it, will see the crypto miners pay only A$0.08 per kWh in the day and A$0.05 per kWh at night. Hunter Energy told the Age that the price is feasible because the electricity produced at the coal power plant would go straight to the crypto miners, bypassing—and thus, presumably, [...]

Even AEMO head admits solar panels are a big “disrupter” in Australia – fears big players may abandon grid

The land of the sunburnt country finds that the rapid uptake of solar is a headache, disrupting the grid, adding variability, making management more complicated. Read right through. The head of the AEMO gives an upbeat talk, but the ominous message is that solar panels are flooding in, there are lots of problems, and not only are baseload generators leaving the market, but there may come a day when things are so ludicrously expensive that big energy customers leave to generate their own too. Is that what the death of a grid looks like?

 

Audrey Zibelman is the head of the AEMO – Australian Energy Market Operator – which has the responsibility of managing the electricity and gas market and grid stability for all Australians. To hear her, you’d think the future is renewable, the transition is not being artificially forced on the market, and there is no alternative to alternative energy.

Zibelman tosses out pat free-market lines with a straight face, saying at 17:20 that we never really want governments to “pick a technology”, ignoring that this whole transition, all of it, is only happening because governments “picked a technology”.

Listen at 21:30 to get an [...]

How much do we have to pay people to NOT use electricity – up to 30 times more?

To understand the real value of electricity, consider the price at which people will give it up. “Demand Response” is the nice euphemism for a voluntary blackout. At what point do people volunteer to go without? For most of the market, apparently, it’s more than $7500/MWh.

If I read this graph correctly, look how fast the prices rise, and how small the response is. For example, in South Australia there is only about 10MW available at less than $300/MWh? (From this AEMO report). For reference the total SA demand is around 1500MW. So 10MW is less than 1%.

(See below for the

Consider how few people are willing to turn the electricity off:

AEMO expects there to be approximately 50 MW of demand response in NSW when the price reaches $1,000/MWh.

The total size of the NSW state market is about 10,000MW. Retail electricity sells for $250 — $470MWh (and only $100/MWh in the US). Hence when the price hits two to four times the normal retail cost of electricity, only about 5% of the market say they will willingly stop using it. When the price hits $7500MWh another 2% will give it up. We can’t take [...]