Aidan Morrison Profile picture
Nov 26, 2023 8 tweets 3 min read Read on X
This question, asked by Christian, at the Capacity Investment Scheme (CIS) webinar in August is excellent.

He basically asks which has priority:
- reliability
- prices
- supporting industry

The answers are extremely revealing. 1/ Image
It's directed to Salim Mazouz, General Manager of the CIS at the Dept of Climate Change, Energy etc... Basically the boss of the scheme.

Initially, he says reliability is the priority.

But he goes on... 2/ Image
And then claims something extraordinary.

He thinks that success in addressing reliability would push down prices, as a by-product.

Say.... what??

This is a disastrous misconception for someone in charge of the scheme to have... 3/ Image
... because it shows that the man in charge has failed to grasp the inevitable trade-off between reliability and damping price fluctuations. More of one means less of the other.

I outlined this in detail in my mega-thread on Saturday. 4/

But the pure gold comes from Salim's boss, Kirsty Gowans. Head of Electricity Division and DCCEEW (Federal Energy Dept).

She chimes in (her words) to tell us what the Minister, @Bowenchris, has on his mind.

And what follows is... well it explains everything. 5/
🥁🥁🥁🥁🥁🥁
@Bowenchris Chris Bowen is worried about consumer prices.

That's the "overriding issue" that the government is trying to manage.

Why?

"securing the broad community support for the energy transformation" which requires

"very significant investment" to be delivered. 6/ Image
@Bowenchris Kirsty goes on... She spells it all out.

The investment wouldn't be "politically achievable or sustainable" if passed onto consumers. So taxpayers stump up instead.

Boom.

How's that for an admission that the proposed renewable energy transition isn't going to be cheap. 7/7 Image
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More from @QuixoticQuant

Jan 9, 2025
New paper out yesterday from Paul Simshauser and Joel Gilmore.

Serious study.

It represents (another) death-knell for the hallowed AEMO Integrated System Plan, and any such weather-dependent plans.

Peaking gas isn't the easy backstop for bad weather we thought. 1/ Image
Why another death-knell for the ISP? Well because for a full year, the Government has sat on their own review of the ISP that identified this as a serious problem.

The ISP has (again) assumed enabling infrastructure exists that might not be economically viable. 2/ Image
Here's @AEMO_Energy officials, including CEO, telling a recent Senate committee how important gas firming will be.

Not long ago, they downplayed that fact too.

But they've known all year what this report confirms: it won't work.

Mainstream media, wake up anytime now. 3/ Image
Read 17 tweets
Jan 9, 2025
Dave defends his position, which is great.

He clarified that he actually thinks only 1.7GW extra is needed.

In other words, he only wants to ~double today's capacity, and concludes that the TOTAL of just less than 3GW is enough.

Let's consider his arguments. 1/
Over ten years ago (this PACR from 2014) there was 1.2GW of North-South capacity.

And it was busy back then. When we had barely any renewables, and even more coal.

It's gone up a little since then. 2/ Image
Back in 2014, QLD had basically no solar or wind.

And the 1.2GW interconnector was getting good use already. 3/ Image
Read 15 tweets
Jan 8, 2025
Time to take a look at @DavidOsmond8's latest defence of the weather-diversity argument.

Dave's own model is a copperplate one, no transmission limits.

So it's important to see how he arrives at the conclusion that it'll all be ok, the ISP's got this. 1/ Image
First, just 2-3GW of wind flowing from Qld to NSW... Well, let's assume that's enough for a moment.

Contrary to Dave's claim, the ISP does not cost this.

The ISP only includes QNI Option 2. Image
The Transmission Expansion Options report makes it clear that this provides less than 2GW capacity.
Still costs 2.5 billion mind you.
And this is for about 100km longer line than HumeLink, which is 2.2GW for 360km, and costs 4.6bn.
Still a loose estimate, it'll go up.
3/ Image
Read 16 tweets
Jan 7, 2025
That’s my problem with your work Rosie. You refer to the ISP without thinking about it. Please think more about it before you reference it for projecting what is happening or will happen! 🙏

Eg any wind being developed now will be in the ISP, but NOT COSTED, because “committed”
And please don’t take that personally… I think more about more people failing to think about the ISP before they talk about it than anyone else I know.

You have plenty of company… including essentially every current and recent energy minister.

And yes, I think a lot of blame belongs at the feet of @AEMO_Energy and @dfwesterman for persistently making it difficult to discern what the ISP actually is and is not.

Unthinking references to the ISP are almost always false and misleading as a result.
Read 5 tweets
Dec 17, 2024
Oh, I like this game.

Let's find some weird anomaly in @AEMO_Energy's ISP, and pull the thread.

Imagine finding evidence that suggested MORE industrial activity in that scenario!

Which suggests AEMO was tinkering to create that drop, which Frontier faithfully accepted. 1/
The punchline is here: The BIS Oxford Economics analysis paper, commissioned by AEMO to inform the scenarios for the 2023 Inputs, Aussumptions, Scenarios Report.

The Progressive Change scenario, that the Coalition prefers has MORE Aussie industry, driven by mining. 2/ Image
No, that's not a typo. The original narrative for Progressive Change did include economic challenges, but certainly not a collapse in Australian industry.

BIS Oxford thought industry would surge with demand for our fossil fuels. 3/ Image
Read 14 tweets
Dec 15, 2024
There's a verse in the bible about this kind of hypocrisy from @SHamiltonian. (Matthew 7:3-5)

"Economics of Coalition's nuclear modelling are worth nothing"

requires the rejoinder:

"Because they closely shadow the ISP, which is worth much less than nothing." 1/
I respect Steven's analytic capability. He's correctly identified the red herring in the Scenario preference.

But by choosing Progressive Change rather than Step Change, the Coalition has simply dialled back some of the ISP's insanity, not rooted it out. 2/ Image
And it's really the fact that Frontier have tried to stay so close to the ISP's methodology that would give rise to valid critiques.

"Sleights of hand, unrealistic assumptions, sheer physical impossibilities" ??!

Oh brother, remove the log from your own eye first. 3/ Image
Read 31 tweets

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