Oscar Archer Profile picture
Feb 6, 2023 10 tweets 6 min read Read on X
Part of what keeps me here, specifically on Australian #EnergyTwitter, is what we can learn when we dig into triumphant tweets like these. 🪡 1/
Incredible things *are* possible with solar 🌞

ourworldindata.org/grapher/share-…

We can appreciate that without abruptly adding all renewable sources together... 2/ Image
In fact, DYK Australia made it back up & over our historical highest renewable energy share only a few years ago?

ourworldindata.org/grapher/share-… 3/ ImageImage
The solar+wind share has grown, in modern times, thanks to legislated SGCs & FITs for rooftop PV, and LGCs infradebt.com.au/post/why-aren-… & PPAs for big plants energetics.com.au/corporate-rene… supporting the added capacity from outside the spot market (in simple terms) 4/ Image
What it looks like on our bills was neglected, and Mr Joshi makes an important correction
Interestingly, solar & winds' price influence appears so far limited even at higher shares aer.gov.au/wholesale-mark… 5/ ImageImage
But what's really missing is the impact on power sector emissions intensity.

This is common – 'renewables' are ubiquitously accepted as meaning entirely the same thing as decarbonisation.

It's more complicated, and this 👇 just doesn't cover it 6/
Australia is going in the right direction, and 2022 will be lower still ourworldindata.org/grapher/carbon… 7/ Image
So how far do we have left to go? How do we compare so far?

This should prompt some reflection regarding 'low-carbon sources' right about now.

Because these 👇 aren't just random countries, they're the top 10 from statista.com/statistics/270… 8/ ImageImage
In 2018 AEMO wrote:
"There are extents of [variable renewable energy] penetration that have not been explored, and for which there is no experience globally."
aemc.gov.au/sites/default/…

Maybe 1 of the bazillion all-VRE studies will turn out correct & we won't need more options? 9/
Something to reflect on, for sure.

Hey who else was amused by where this link leads? minister.industry.gov.au/ministers/tayl… 10/end

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More from @OskaArcher

Sep 5, 2023
Gleefully sharing the chart backed by the IPCC's authority, that apparently shows how meagre nuclear's role is.


Gleeful, and admitting it.

And by how many who've even thought about its assumptions?

🧵
Because "it's an IPCC chart which sez we dont need nuclear" is literally as far as some get.
2⃣twitter.com/search?q=%22ar…
They clearly don't get as far as the WGIII technical summary.

The IPCC, while explicitly acknowledging nuclear's challenges and complexities...
3⃣ipcc.ch/report/sixth-a…
Read 6 tweets
Aug 23, 2023
A strange thing happened two weeks ago: Australia's energy market operator AEMO issued a statement insisting that current biannual modelling work includes full system costs... and that other analysis shows nuclear costs more than renewable energy etc.
🧵 aemo.com.au/newsroom/media…
Image
The other analysis is CSIRO's GenCost, which includes this helpful chart.
Nuclear - specifically small modular reactors - certainly looks the most expensive. 2/14
CSIRO acknowledges that "electricity generation project operational costs and performance" isn't realistically represented by levelised costs of electricity - what their chart presents. The Electric Power Research Institute is substantially clearer. 3/14 restservice.epri.com/publicdownload…
Image
Read 16 tweets
Apr 18, 2023
How's this tracking with regard to shares of new non-fossil electricity?

The ALP's "82% by 2030" comes from Figure 8 of the modeling at alp.org.au/policies/power…. Figure 13 gives the modeled shares. Let's dive in 🧵 1/5 ImageImage
2022's results were summarised at the start of the year

non-Household Solar: 11,366 GWh
Wind: 25,940 GWh
Hydro: 16,644 GWh

Assuming household solar keeps growing & hydro doesn't change, what remains must expand by ~96,500 GWh in 7 years.

2/5
Thus, an average of nearly 13,800 GWh more non-household solar & wind added this year, and in 2024, then 2025... each year till 2030.

The gigantic Goyder South project will eventually generate 4,800 GWh per year.

👉 nearly equiv. to 3 Goyder Souths. 3/5 WTG pylons being unloaded. ...WTG blades being unloaded.
Read 5 tweets
Mar 23, 2023
"This is the industry itself."

You are 100% *incorrect*, @SenatorGrogan of @AustralianLabor

"WNISR" is *nothing more* than an anti-nuclear project, as explicitly confirmed by Friends of the Earth
reneweconomy.com.au/nuclear-indust… 🧵1/4 Image
David at @WorldNuclear has said it best:

His association publishes the superior, factual Performance Report: world-nuclear.org/our-associatio… ...so @SenatorGrogan of @AustralianLabor if you want to quote "the industry itself", please use this ✔️ 2/4
This may well be an honest oversight on your part @SenatorGrogan of @AustralianLabor - WNISR is duplicitous by design and has tricked good faith commentators.


We're all human and we live and learn, right? 3/4
Read 4 tweets
May 28, 2022
Just like it would be nice to move past all the stale old anti-nuclear objections, articles making the case so poorly, lacking any "convincing power", should be consigned to history.
theaustralian.com.au/commentary/sma… #auspol Image
(Although, considering how much of its length it devotes to challenges besetting developing countries, this sort of snark isn't the best look) Image
This is a bad "But". Ambition by Australia will potentially yield considerable effective influence in our whole region.

Which is precisely why such ambition mustn't be limited in #CleanEnergy options.

It isn't virtue signalling, it's virtue. Image
Read 4 tweets

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