Tennant Reed
@tennantreed.bsky.social
Melbourne-based climate and energy wonk with Australian Industry Group. CBAM obsessive. Cohost of the Let Me Sum Up podcast.
Pinned
OUT NOW: most 🌏 industrial emissions will soon be covered by (weak) carbon prices. A new paper argues key economies can build this up to a global market for cleaner products, by clubbing together to set floors and borders. Does it all add up? LMSU discusses! www.letmesumup.net/i-i-was-carb...
OUT NOW: most 🌏 industrial emissions will soon be covered by (weak) carbon prices. A new paper argues key economies can build this up to a global market for cleaner products, by clubbing together to set floors and borders. Does it all add up? LMSU discusses! www.letmesumup.net/i-i-was-carb...
September 24, 2026 at 10:04 PM
OUT NOW: most 🌏 industrial emissions will soon be covered by (weak) carbon prices. A new paper argues key economies can build this up to a global market for cleaner products, by clubbing together to set floors and borders. Does it all add up? LMSU discusses! www.letmesumup.net/i-i-was-carb...
OUT NOW and get in quick: a Low Carbon Liquid Fuels demand policy is being designed. Subs due next week! What’s in it? The only possible way to find out is via Let Me Sum Up, here: www.letmesumup.net/i-can-fly-hi...
September 10, 2026 at 10:26 PM
OUT NOW and get in quick: a Low Carbon Liquid Fuels demand policy is being designed. Subs due next week! What’s in it? The only possible way to find out is via Let Me Sum Up, here: www.letmesumup.net/i-can-fly-hi...
OUT NOW: suppose the world breaches 2C by midcentury. What might happen next? An elaborate student project explores four plausible futures on a spectrum from dismay to disaster. The Let Me Sum Up podcast grits its teeth and summarises for you!
Pod: www.letmesumup.net/above-2degc-...
Pod: www.letmesumup.net/above-2degc-...
August 27, 2026 at 10:07 PM
OUT NOW: suppose the world breaches 2C by midcentury. What might happen next? An elaborate student project explores four plausible futures on a spectrum from dismay to disaster. The Let Me Sum Up podcast grits its teeth and summarises for you!
Pod: www.letmesumup.net/above-2degc-...
Pod: www.letmesumup.net/above-2degc-...
Just re-upping this - the stoush about how to power QLD’s new data centres has an academic quality, at least at the transmission-connected level tracked by AEMO’s chart below
AEMO Quarterly Energy Dynamics for Q2 2026 is out! Lots of interest but 👀 the data centre chart - the connection queue is up 67% on the previous quarter, from 5.4GW to 9GW (but the in-delivery part only went up 0.1GW). Energy rule proposals around this will be timely! www.aemo.com.au/-/media/file...
August 26, 2026 at 10:05 AM
Just re-upping this - the stoush about how to power QLD’s new data centres has an academic quality, at least at the transmission-connected level tracked by AEMO’s chart below
Reposted by Tennant Reed
4/5
Capital-rich economies (and, adjusted for productivity levels, China is among the most capital-rich in the world ) tend to invest less than 20% of GDP. Rapidly-growing capital-poor economies (like China in the 1990s) tend to invest 30-35% of GDP. China invests over 40% of its GDP.
Capital-rich economies (and, adjusted for productivity levels, China is among the most capital-rich in the world ) tend to invest less than 20% of GDP. Rapidly-growing capital-poor economies (like China in the 1990s) tend to invest 30-35% of GDP. China invests over 40% of its GDP.
August 25, 2026 at 7:19 AM
4/5
Capital-rich economies (and, adjusted for productivity levels, China is among the most capital-rich in the world ) tend to invest less than 20% of GDP. Rapidly-growing capital-poor economies (like China in the 1990s) tend to invest 30-35% of GDP. China invests over 40% of its GDP.
Capital-rich economies (and, adjusted for productivity levels, China is among the most capital-rich in the world ) tend to invest less than 20% of GDP. Rapidly-growing capital-poor economies (like China in the 1990s) tend to invest 30-35% of GDP. China invests over 40% of its GDP.
OUT NOW: it begins! the 2026-27 Safeguard Mechanism Review gets underway with a consultation paper that is pretty clear on what’s out (radical change; A6 units); and suggestive of what may be in (ACCU access tweaks; cautious expansion; BoCA?). LMSU dives in here: www.letmesumup.net/live-free-an...
August 13, 2026 at 10:42 PM
OUT NOW: it begins! the 2026-27 Safeguard Mechanism Review gets underway with a consultation paper that is pretty clear on what’s out (radical change; A6 units); and suggestive of what may be in (ACCU access tweaks; cautious expansion; BoCA?). LMSU dives in here: www.letmesumup.net/live-free-an...
OUT NOW: oil crises, solar booms, coal flat most places but surging in the US: there’s a lot going on in world energy! What better way to make sense of it all than with a comprehensive stat-tastic Review? LMSU dives in to 75 years of data tables!
Pod here: www.letmesumup.net/i-see-tables...
Pod here: www.letmesumup.net/i-see-tables...
July 30, 2026 at 9:37 PM
OUT NOW: oil crises, solar booms, coal flat most places but surging in the US: there’s a lot going on in world energy! What better way to make sense of it all than with a comprehensive stat-tastic Review? LMSU dives in to 75 years of data tables!
Pod here: www.letmesumup.net/i-see-tables...
Pod here: www.letmesumup.net/i-see-tables...
AEMO Quarterly Energy Dynamics for Q2 2026 is out! Lots of interest but 👀 the data centre chart - the connection queue is up 67% on the previous quarter, from 5.4GW to 9GW (but the in-delivery part only went up 0.1GW). Energy rule proposals around this will be timely! www.aemo.com.au/-/media/file...
July 28, 2026 at 2:02 AM
AEMO Quarterly Energy Dynamics for Q2 2026 is out! Lots of interest but 👀 the data centre chart - the connection queue is up 67% on the previous quarter, from 5.4GW to 9GW (but the in-delivery part only went up 0.1GW). Energy rule proposals around this will be timely! www.aemo.com.au/-/media/file...
OUT NOW: how is energy governed in Australia, and could that be improved? LMSU declares interests, navigates conflicts, and dives in to a paper rich with ideas beyond The Three Body Problem.
Pod here: www.letmesumup.net/nem-governan...
Pod here: www.letmesumup.net/nem-governan...
July 16, 2026 at 9:34 PM
OUT NOW: how is energy governed in Australia, and could that be improved? LMSU declares interests, navigates conflicts, and dives in to a paper rich with ideas beyond The Three Body Problem.
Pod here: www.letmesumup.net/nem-governan...
Pod here: www.letmesumup.net/nem-governan...
OUT NOW: methane! Frankie’s apotheosis arrives as LMSU dives into a Climate Change Authority consultation on fossil CH4 leaks. How big a deal are they, what can be done, how should we prioritise them versus CO2 or nonfossil CH4? We discuss!
Episode: www.letmesumup.net/when-is-20-m...
Episode: www.letmesumup.net/when-is-20-m...
July 2, 2026 at 9:15 PM
OUT NOW: methane! Frankie’s apotheosis arrives as LMSU dives into a Climate Change Authority consultation on fossil CH4 leaks. How big a deal are they, what can be done, how should we prioritise them versus CO2 or nonfossil CH4? We discuss!
Episode: www.letmesumup.net/when-is-20-m...
Episode: www.letmesumup.net/when-is-20-m...
OUT NOW: there’s a design out for the national gas reservation policy. What’s in it? Will it work, and how? What’s missing? the only possible way to find out is via LMSU, here: www.letmesumup.net/dont-cry-for...
June 18, 2026 at 9:17 PM
OUT NOW: there’s a design out for the national gas reservation policy. What’s in it? Will it work, and how? What’s missing? the only possible way to find out is via LMSU, here: www.letmesumup.net/dont-cry-for...
Reposted by Tennant Reed
And this week’s bonus episode is now up too. We dig deep into the LMSU archives to find the unreleased LMSU pilot www.patreon.com/posts/exclus...
EXCLUSIVE! Episode 0: The Unreleased LMSU Pilot | Let Me Sum Up podcast
EXCLUSIVE! Episode 0: The Unreleased LMSU Pilot by Let Me Sum Up podcast on Patreon. Join Let Me Sum Up podcast's community for exclusive content and updates.
www.patreon.com
June 6, 2026 at 4:35 AM
And this week’s bonus episode is now up too. We dig deep into the LMSU archives to find the unreleased LMSU pilot www.patreon.com/posts/exclus...
OUT NOW: a glorious 100th episode of Let Me Sum Up features:
SummerUpperers asking us anything!
A mysterious message from the beyond!
Alarming thought leadership!
What’s the biggest policy gap? What will we do once climate is solved? Whither China? Who is our royal patron really? Listen & see!
SummerUpperers asking us anything!
A mysterious message from the beyond!
Alarming thought leadership!
What’s the biggest policy gap? What will we do once climate is solved? Whither China? Who is our royal patron really? Listen & see!
LMSU Episode 100 Tops Up The National Podcast Reserve
Your intrepid hosts navigate the curliest questions y'all could conjure in this Episode 100 Ask Me Anything spectacular!
www.letmesumup.net
June 4, 2026 at 9:23 PM
OUT NOW: a glorious 100th episode of Let Me Sum Up features:
SummerUpperers asking us anything!
A mysterious message from the beyond!
Alarming thought leadership!
What’s the biggest policy gap? What will we do once climate is solved? Whither China? Who is our royal patron really? Listen & see!
SummerUpperers asking us anything!
A mysterious message from the beyond!
Alarming thought leadership!
What’s the biggest policy gap? What will we do once climate is solved? Whither China? Who is our royal patron really? Listen & see!
OUT NOW: proposed data centres could put vast pressure on the NEM. But how could they be operated to relieve pressures instead of- and what would it take to motivate that? LMSU assesses a semi-advertorial writeup of a cool trial. www.letmesumup.net/data-centre-...
May 21, 2026 at 11:44 PM
OUT NOW: proposed data centres could put vast pressure on the NEM. But how could they be operated to relieve pressures instead of- and what would it take to motivate that? LMSU assesses a semi-advertorial writeup of a cool trial. www.letmesumup.net/data-centre-...
OUT NOW: a coalition of the willing met in Santa Marta recently to talk fossil fuel transition. What ideas were presented, and with only relatively cuddly fossil exporters present, what was agreed? LMSU summarises! www.letmesumup.net/santa-martas...
May 7, 2026 at 10:20 PM
OUT NOW: a coalition of the willing met in Santa Marta recently to talk fossil fuel transition. What ideas were presented, and with only relatively cuddly fossil exporters present, what was agreed? LMSU summarises! www.letmesumup.net/santa-martas...
An outright CBAM exemption for Ukrainian steel, absent Ukraine joining the EU ETS, would be a bad idea. 🇺🇦 is very sympathetic, but it isn’t about sympathy - the CBAM does not actually harm them, given intra-EU price impacts, and exemption would weaken nondiscrimination and invite more complaints
The EU is in talks to exempt Ukrainian steel from a key climate protection measure, according to Kyiv’s envoy to the EU.
EU mulls carbon tax break on key Ukrainian military resource
The country’s steelmakers had warned duties on carbon-intensive goods would kill their industry.
www.politico.eu
May 1, 2026 at 10:32 PM
An outright CBAM exemption for Ukrainian steel, absent Ukraine joining the EU ETS, would be a bad idea. 🇺🇦 is very sympathetic, but it isn’t about sympathy - the CBAM does not actually harm them, given intra-EU price impacts, and exemption would weaken nondiscrimination and invite more complaints
Reposted by Tennant Reed
This week's bonus content is up for LMSU subscribers: Safeguard Mechanism Outcomes 2024-25 www.patreon.com/posts/there-...
There Is Too Much: Safeguard Mechanism Outcomes 2024-25 | Let Me Sum Up podcast
There Is Too Much: Safeguard Mechanism Outcomes 2024-25 by Let Me Sum Up podcast on Patreon. Join Let Me Sum Up podcast's community for exclusive content and updates.
www.patreon.com
April 25, 2026 at 6:07 AM
This week's bonus content is up for LMSU subscribers: Safeguard Mechanism Outcomes 2024-25 www.patreon.com/posts/there-...
OUT NOW: some businesses are for climate policy, some are agin’ it. A 2025 study examines how time horizons, rather than CO2 intensity, explain this. We wonder at their method!
LMSU episode here: www.letmesumup.net/trust-no-one...
LMSU episode here: www.letmesumup.net/trust-no-one...
April 23, 2026 at 10:04 PM
OUT NOW: some businesses are for climate policy, some are agin’ it. A 2025 study examines how time horizons, rather than CO2 intensity, explain this. We wonder at their method!
LMSU episode here: www.letmesumup.net/trust-no-one...
LMSU episode here: www.letmesumup.net/trust-no-one...
The fire at Viva’s Geelong refinery, still apparently ongoing, could be a very big deal. Thankfully no injuries reported on site. Started in motor gasoline section and other parts of the refinery are still working. www.abc.net.au/news/2026-04...
Out-of-control fire rages at one of Australia's two oil refineries
An "unprecedented" fire has broken out at one of Australia's two operational oil refineries, with residents in parts of Geelong told to stay indoors due to smoke.
www.abc.net.au
April 15, 2026 at 9:02 PM
The fire at Viva’s Geelong refinery, still apparently ongoing, could be a very big deal. Thankfully no injuries reported on site. Started in motor gasoline section and other parts of the refinery are still working. www.abc.net.au/news/2026-04...
OUT NOW: how did Australia get so vulnerable on fuel, and what are the options to get more secure? IEFFA serves up a nice little survey of the terrain, and LMSU sums it up!
Pod here: www.letmesumup.net/ieefa-grease...
Pod here: www.letmesumup.net/ieefa-grease...
April 9, 2026 at 11:02 PM
OUT NOW: how did Australia get so vulnerable on fuel, and what are the options to get more secure? IEFFA serves up a nice little survey of the terrain, and LMSU sums it up!
Pod here: www.letmesumup.net/ieefa-grease...
Pod here: www.letmesumup.net/ieefa-grease...
OUT NOW: world oil supply is down 20% for who knows how long. How does demand flex down in the near term? What makes longer term sense? The IEA was born to solve this - and LMSU was born to summarise!
Pod here: www.letmesumup.net/oils-well-th...
Pod here: www.letmesumup.net/oils-well-th...
March 26, 2026 at 9:08 PM
OUT NOW: world oil supply is down 20% for who knows how long. How does demand flex down in the near term? What makes longer term sense? The IEA was born to solve this - and LMSU was born to summarise!
Pod here: www.letmesumup.net/oils-well-th...
Pod here: www.letmesumup.net/oils-well-th...
That’s, uh, not a very useful AI addition to the search results
(The correct answer is 21,376 PJ, not 411 PJ or 411,000,000,000,000 PJ)
(The correct answer is 21,376 PJ, not 411 PJ or 411,000,000,000,000 PJ)
March 19, 2026 at 10:37 PM
That’s, uh, not a very useful AI addition to the search results
(The correct answer is 21,376 PJ, not 411 PJ or 411,000,000,000,000 PJ)
(The correct answer is 21,376 PJ, not 411 PJ or 411,000,000,000,000 PJ)
OUT NOW: what happens to fossil energy systems when usage starts to decline? A new paper argues models of smooth contraction miss physical, financial and managerial constraints that make the ride bumpy indeed. LMSU summarises here: www.letmesumup.net/the-general-...
March 12, 2026 at 8:17 PM
OUT NOW: what happens to fossil energy systems when usage starts to decline? A new paper argues models of smooth contraction miss physical, financial and managerial constraints that make the ride bumpy indeed. LMSU summarises here: www.letmesumup.net/the-general-...
Good piece on speed/scale limits to recently announced oil emergency supply measures
The IEA just announced a coordinated release of 400 million barrels of oil to address the supply shocks from the closure of the Strait of Hormuz.
That will make up for about a month of lost trade, @zeitlin.bsky.social writes. And it's only getting worse.
heatmap.news/energy/iran-...
That will make up for about a month of lost trade, @zeitlin.bsky.social writes. And it's only getting worse.
heatmap.news/energy/iran-...
This Oil Supply Shock Is Very, Very Bad
Even releasing hundreds of millions of barrels from the world’s strategic reserves will only cover about a month of missing supply.
heatmap.news
March 11, 2026 at 10:28 PM
Good piece on speed/scale limits to recently announced oil emergency supply measures
www.abc.net.au/news/2026-03...
No idea if this NSW data centre project with associated 700MW reciprocating gas generation will actually happen at full envisaged scale. But some quick thoughts:
- a little surprised that local AI rushers are turning to gas as in US, given local gas adequacy fears
No idea if this NSW data centre project with associated 700MW reciprocating gas generation will actually happen at full envisaged scale. But some quick thoughts:
- a little surprised that local AI rushers are turning to gas as in US, given local gas adequacy fears
Giant gas-fired power station planned for power-hungry AI data centre
A small town in the NSW Southern Highlands is watching the AI revolution take shape in its backyard, as plans emerge to build one of the state's largest gas-fired power stations to run a data-processi...
www.abc.net.au
March 5, 2026 at 10:49 PM
www.abc.net.au/news/2026-03...
No idea if this NSW data centre project with associated 700MW reciprocating gas generation will actually happen at full envisaged scale. But some quick thoughts:
- a little surprised that local AI rushers are turning to gas as in US, given local gas adequacy fears
No idea if this NSW data centre project with associated 700MW reciprocating gas generation will actually happen at full envisaged scale. But some quick thoughts:
- a little surprised that local AI rushers are turning to gas as in US, given local gas adequacy fears