💧simon holmes à court Profile picture
May 22, 2021 8 tweets 3 min read Read on X
🤓 heard the one that there are few ongoing jobs in renewables?

turns out it's nonsense.

@UTSISF's detailed 2020 report, based on AEMO projections, shows the renewables sector provides a good and growing number of good, secure & regional jobs… 🧵

uts.edu.au/research-and-t…
RE sector has 2 arms — construction and operations.

construction jobs will continue for decades. currently construction outnumbers operations, but as fleet grows operations becomes the majority.

i added the red line, coal power jobs.

RE already employs more than coal power.
(this chart does not include jobs in building new 'poles and wires', bioenergy, professional services, renewable hydrogen, mining inputs for RE [e.g. nickel, lithium, cobalt, rare earths] or industrial expansion arising from comparative advantage in energy-intensive industries.)
currently in australia, coal power generates ~twice as much energy as renewables.

…and coal power employs ~twice as many _ongoing_ jobs as renewables.

in ~5 years when renewables match coal power generation, the number of ongoing jobs in both sectors will be ~equal.
…and by the early 2030s, ongoing jobs in RE will eclipse jobs in coal power.

the charts following are for the whole sector — construction & operations.

here are the skills required (as percentage).

these are _good_ jobs.
…and ~2/3 of the jobs are regional jobs:
…and these new jobs are created in new areas.

(nb. the scales for the two maps are different, so the darkest colour on fossil fuel map represents 1000–2000 jobs, while the darkest colour on the RE jobs map represents 7000–12000 jobs. ie. ~6x as many for the same colour.)
so, please keep this thread handy… the next time someone tells you there aren't many jobs in renewables, you can be confident that:

there are already more jobs in RE than coal power in australia, and will soon be more _ongoing/operations_ jobs.

h/t @UTSISF / @seamonkyzzz

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More from @simonahac

May 20
🤓 you'll probably hear scary claims today about "blackouts" in NSW, due to a "reliability gap".

…caused by delays with SA-NSW transmission line, a few batteries & mothballed generators.

to meet the 99.998% reliability standard, NSW needs to build more kit.

not a big deal. 🧵 Image
the eraring power station has 4 units, each 720MW. delaying closure of 1-2 units could fill the gap.

a 500MW–1GW gas generator operating <10 hours a year would also suffice. lower emissions and might be cheaper?

helpfully AEMO has provided 9 options to fill the gap: Image
small reliability gaps are forecast in VIC and SA, but far enough out that they'll likely evaporate… as they often do for this regular report.

why? because the reports show what happens if we don't do anything more than committed — and we pretty much always do.
Read 6 tweets
May 15
i attended the ‘navigating nuclear’ conference on monday in sydney.

up front: there were some high quality presentations — on issues such as health impacts, safety culture, regulatory systems. Image
…but sadly there was also some abject nonsense…
the presentation below argued that we have two options:

1. build a complex grid of wind, solar, hydro, hydrogen, batteries, pumped hydro, transmission and EVs.

2. just build nuclear and use existing powerlines.

…apparently #2 is the way to go. 🙄 Image
Read 10 tweets
Mar 21
⚛️ @abcnews's recent #FactCheck made a classic rookie error in calculating that the latest US nukes had "build times of 10.1 and 10.4 years".

depending how you count it, it took somewhere between 13.9 years and ~19 years to build them.

easy mistake to make.

let me explain… 🧵
ABC's analysis assumes the build time is the elapsed period between "construction start" and "grid connection" dates.

in the real world, a nuclear power building project begins years before "construction start" and often finishes months after "grid connection".
"construction start" is defined by the IAEA as the "the date when first major placing of concrete for the base mat of the reactor building is made."

"grid connection" is when "the plant is first connected to the electrical grid for the supply of power."

pris.iaea.org/PRIS/Glossary.…
Read 18 tweets
Mar 13
☢️beware #nuclear porkies #2 🤥

australians🇦🇺: you're going to hear lots about ontario🇨🇦, which does have a very clean grid and cheap retail power.

but you should know 🧵

1. average age of ontario's nuclear fleet is 40 years. all government owned, but ~half privately operated. Image
2. the current nuclear price (as determined by the ontario energy board) from this old fleet is CAD 10.1¢/kWh which is the same as A$113/MWh.



ontario's proposed new nuclear power stations will cost much more…oeb.ca/sites/default/…
3a. a 2018 canadian gov't + industry report estimated cost of power from SMRs would have a mid-point of CAD$163/MWh, or CAD$215/MWh with a 3% cost overrun.

in 2024A$, this range is A$220 – A$290/MWh.



generally, SMR estimates have increased since.smrroadmap.ca/wp-content/upl…
Read 7 tweets
Mar 9
⚛️ why #nuclear power is a distraction for australia

if implemented, the #coalition's plan would see:
• increased gas & coal usage
• increased cost
• increased emissions
• higher chance of blackouts

read on to find out why… 🧵 Image
firstly, let me say i have a deep interest in nuclear.

i've visited multiple nuclear plants, met with companies planning to build SMRs and nuclear VCs, taken a nuclear course at @MIT and closely watched the sector for years.

i encourage the use of nuclear where it makes sense. Image
some context: nuclear has had a long history of nothing in australia, including the start of construction in jervis bay (promptly cancelled by a liberal PM) and a federal ban (under a liberal PM).

important to note there are also state bans, including in NSW, VIC & QLD. Image
Read 30 tweets
Feb 4
🤓 an interesting thing about the govt's proposed 'new vehicle efficiency standard' (NVES) is how they're consulting.

they've put 3 options on the table, and are wanting to hear the public's views.

but first, a little 🧵 about the NVES:
we've been talking about 🚗⛽️ efficiency standards since at least 2008!

over 85% of cars sold worldwide are covered by a new vehicle efficiency standard, but not here!

russia & australia: the only developed countries without 🚗⛽️ efficiency standards.


Image
…as a result, passenger cars in australia are, on average, 20% less efficient than passenger cars in the US.

lower efficiency cars mean we buy more petrol…

which means we waste a lot of money 💸 on fuel, with higher pollution per km travelled.

🚗◾️◾️▪️▪️
Read 15 tweets

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