Oscar Archer Profile picture
Feb 6 10 tweets 6 min read
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

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
Jan 17, 2022
There are no new anti-nuclear arguments. Without the hand-written date & awareness of Australian politics, this @Greens senator's article could almost have been written anytime in the last decade. 1/13
Shall we once again go through them all?
First let's note how "reducing carbon emissions" is immediately forgotten. Rule #1 has always been to avoid connecting nuclear energy & low emissions in the reader's mind. Yet, 2/13
Next, "vast costs of this obsolete and risky technology" - the first three stale arguments, which as always crumble under scrutiny. The costs aren't 'vast' when assessed properly... 3a/13
Read 24 tweets
Apr 30, 2021
If you read carefully, this number-filled article isn't too different from similar confident predictions we've been seeing for years now.
blog.fluenceenergy.com/solar-storage-… 1/7
To highlight: yes this is the summer duck curve in my home state, but by no means is most or even much of that generation being sponged up by battery storage. 2/7
The world famous Hornsdale Power Reserve "Big Battery" is used for other, different system functions, as studied in detail by @EnergySynapse: informa.com.au/insight/batter… 3/7
Read 7 tweets
Dec 28, 2019
Do you remember this Guardian headline? theguardian.com/australia-news… Pretty ambitious, right? Pretty obvious? The transition is on track and "inevitable"? 1/6
A lot of folks tweeted this awesome headline. twitter.com/search?q=https… I suggest much fewer searched up the source article & read it carefully. reputex.com/research-insig… 2/6
So, the analysis isn't public but the analysts' article is emphatic about the assumptions that
a) Snowy 2.0 is online in 2025 - a storage option facing headwinds from many influential commentators as well as environmentalists 3/6
Read 7 tweets
Aug 31, 2019
If you have any interest in#nuclear energy in Australia you've likely heard this capital cost figure cited to prove it'll be too expensive. <thread> 1/7
For example, no one will be surprised to see RenewEconomy leaning heavily on this $16,000/kW number reneweconomy.com.au/nuclear-inquir… 2/7
So which nuclear plant costs $16,000 per kW?
We don't know.
AEMO uses a database called GenCost, from CSIRO csiro.au/~/media/News-r…. CSIRO chose to use cost numbers calculated by GHD ghd.com/Modules/News/s… for AEMO. See Page 89 of aemo.com.au/-/media/Files/…. 3/7
Read 7 tweets

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