Katharina Umpfenbach
@kumpfenbach.bsky.social
Working on Germany's future electricity system at dena. Views are my own.
Reposted by Katharina Umpfenbach
NEW | It’s been 25 years since offshore wind first dropped anchor in Britain. The industry has seen some big changes from 2000 to 2025:
2 ➡️ 2,878 turbines
1 ➡️ 47 operational offshore wind farms
0 ➡️ 17% of 🇬🇧 electricity
https://ember-energy.org/latest-insights/25-years-of-british-offshore-wind
2 ➡️ 2,878 turbines
1 ➡️ 47 operational offshore wind farms
0 ➡️ 17% of 🇬🇧 electricity
https://ember-energy.org/latest-insights/25-years-of-british-offshore-wind
December 8, 2025 at 4:04 PM
NEW | It’s been 25 years since offshore wind first dropped anchor in Britain. The industry has seen some big changes from 2000 to 2025:
2 ➡️ 2,878 turbines
1 ➡️ 47 operational offshore wind farms
0 ➡️ 17% of 🇬🇧 electricity
https://ember-energy.org/latest-insights/25-years-of-british-offshore-wind
2 ➡️ 2,878 turbines
1 ➡️ 47 operational offshore wind farms
0 ➡️ 17% of 🇬🇧 electricity
https://ember-energy.org/latest-insights/25-years-of-british-offshore-wind
Reposted by Katharina Umpfenbach
What happened on energy and climate in China this year?
A summary of the data, mostly drawing on the latest report from Centre for Research on Energy and Clean Air (by @laurimyllyvirta.bsky.social & team).
My latest Substack:
www.sustainabilitybynumbers.com/p/chinese-em...
A summary of the data, mostly drawing on the latest report from Centre for Research on Energy and Clean Air (by @laurimyllyvirta.bsky.social & team).
My latest Substack:
www.sustainabilitybynumbers.com/p/chinese-em...
What happened on energy and climate in China this year?
Emissions flatlined; clean power pushed out coal; and oil for transport falls again.
www.sustainabilitybynumbers.com
December 5, 2025 at 1:52 PM
What happened on energy and climate in China this year?
A summary of the data, mostly drawing on the latest report from Centre for Research on Energy and Clean Air (by @laurimyllyvirta.bsky.social & team).
My latest Substack:
www.sustainabilitybynumbers.com/p/chinese-em...
A summary of the data, mostly drawing on the latest report from Centre for Research on Energy and Clean Air (by @laurimyllyvirta.bsky.social & team).
My latest Substack:
www.sustainabilitybynumbers.com/p/chinese-em...
Reposted by Katharina Umpfenbach
🎤 Podcast: Germany’s power plant strategy foresees 12 GW of new back-up #gaspower plants by 2030, with the aim to switch to green hydrogen in the future. Philipp Godron, Agora expert & Programme Lead Power, joined Sam Morgan in his recent episode of "The Jolt". 1/x
December 5, 2025 at 2:19 PM
🎤 Podcast: Germany’s power plant strategy foresees 12 GW of new back-up #gaspower plants by 2030, with the aim to switch to green hydrogen in the future. Philipp Godron, Agora expert & Programme Lead Power, joined Sam Morgan in his recent episode of "The Jolt". 1/x
Reposted by Katharina Umpfenbach
SCOTUS conservative justices upholding Texas gerrymander is yet another example of how Roberts court has greenlit the many undemocratic schemes of Trump and his party
They’ve now ruled for Trump and his allies in 90 percent of shadow docket opinions www.motherjones.com/politics/202...
They’ve now ruled for Trump and his allies in 90 percent of shadow docket opinions www.motherjones.com/politics/202...
The Roberts court just helped Trump rig the midterms
The Supreme Court reinstated the Trump-inspired congressional map in Texas.
www.motherjones.com
December 4, 2025 at 11:52 PM
SCOTUS conservative justices upholding Texas gerrymander is yet another example of how Roberts court has greenlit the many undemocratic schemes of Trump and his party
They’ve now ruled for Trump and his allies in 90 percent of shadow docket opinions www.motherjones.com/politics/202...
They’ve now ruled for Trump and his allies in 90 percent of shadow docket opinions www.motherjones.com/politics/202...
Reposted by Katharina Umpfenbach
1/ 🚀 Die #Wärmepumpe kommt! Später als erhofft, aber endlich geht's los.
So könnte man die neuen BDH-Zahlen für die ersten 10 Monate interpretieren. In diesem Jahr war fast jede zweite neue Heizung eine Wärmepumpe (48,2%). Damit lagen sie erstmals vor fossilen Heizungen (Erdgas 43,4%, Öl 3,6%).
So könnte man die neuen BDH-Zahlen für die ersten 10 Monate interpretieren. In diesem Jahr war fast jede zweite neue Heizung eine Wärmepumpe (48,2%). Damit lagen sie erstmals vor fossilen Heizungen (Erdgas 43,4%, Öl 3,6%).
December 1, 2025 at 5:43 PM
1/ 🚀 Die #Wärmepumpe kommt! Später als erhofft, aber endlich geht's los.
So könnte man die neuen BDH-Zahlen für die ersten 10 Monate interpretieren. In diesem Jahr war fast jede zweite neue Heizung eine Wärmepumpe (48,2%). Damit lagen sie erstmals vor fossilen Heizungen (Erdgas 43,4%, Öl 3,6%).
So könnte man die neuen BDH-Zahlen für die ersten 10 Monate interpretieren. In diesem Jahr war fast jede zweite neue Heizung eine Wärmepumpe (48,2%). Damit lagen sie erstmals vor fossilen Heizungen (Erdgas 43,4%, Öl 3,6%).
Reposted by Katharina Umpfenbach
The EV share of new car sales in 🇩🇰 Denmark was 73.7% in November. Of private individuals buying a new car, 91% opted for an EV.
Ny rekord: 91 % af alle private, der fik leveret en ny bil i november, valgte en elbil 🚗🔌
Den samlede elbilandel nåede samtidig 73,7 % – også det en klar rekord.
9 ud af de 10 mest solgte biler i november var rene elbiler (BMW X1 tæller både fossile- og elvarianter).
Den samlede elbilandel nåede samtidig 73,7 % – også det en klar rekord.
9 ud af de 10 mest solgte biler i november var rene elbiler (BMW X1 tæller både fossile- og elvarianter).
December 1, 2025 at 6:35 AM
The EV share of new car sales in 🇩🇰 Denmark was 73.7% in November. Of private individuals buying a new car, 91% opted for an EV.
Reposted by Katharina Umpfenbach
Die großen Technologieunternehmen sind gut darin, Kunst, Musik und öffentliche Infrastruktur zu kannibalisieren und darauf basierend Milliarden-Gewinne zu machen. Zuletzt mit KI.
In dieser Folge fragt @afelia.bsky.social, wie wir Gesellschaft und Demokratie digital zukunftsfähig gestalten.
In dieser Folge fragt @afelia.bsky.social, wie wir Gesellschaft und Demokratie digital zukunftsfähig gestalten.
Wie schützen wir die Demokratie vor Tech Bros und KI?
Chatbots und KI begegnen uns überall. Sie kannibalisieren Kunst, Musik und Journalismus. Die Gewinne landen bei sehr wenigen Technologie-Unternehmen. Auf diese Weise ist KI eine Umverteilungsmaschine ...
wind-und-wurzeln.podigee.io
November 27, 2025 at 8:27 AM
Die großen Technologieunternehmen sind gut darin, Kunst, Musik und öffentliche Infrastruktur zu kannibalisieren und darauf basierend Milliarden-Gewinne zu machen. Zuletzt mit KI.
In dieser Folge fragt @afelia.bsky.social, wie wir Gesellschaft und Demokratie digital zukunftsfähig gestalten.
In dieser Folge fragt @afelia.bsky.social, wie wir Gesellschaft und Demokratie digital zukunftsfähig gestalten.
Reposted by Katharina Umpfenbach
This week, I withdrew from a speaking engagement at a public university because they sent me a list of prohibited “words & concepts.” I will not humor this censorship. It does a disservice to the stories I’m discussing & the audience, who deserve unfettered access to information & conversation.
November 20, 2025 at 10:20 PM
This week, I withdrew from a speaking engagement at a public university because they sent me a list of prohibited “words & concepts.” I will not humor this censorship. It does a disservice to the stories I’m discussing & the audience, who deserve unfettered access to information & conversation.
Reposted by Katharina Umpfenbach
India's coal utilisation is set to decline as renewables increasingly meet power demand.
MORE THAN A THIRD of India’s coal assets will run below 40% utilisation by 2032. Expensive plants running above INR 3/kWh risks becoming underutilised or going idle.
https://loom.ly/YXrBeIo
MORE THAN A THIRD of India’s coal assets will run below 40% utilisation by 2032. Expensive plants running above INR 3/kWh risks becoming underutilised or going idle.
https://loom.ly/YXrBeIo
November 20, 2025 at 3:30 PM
India's coal utilisation is set to decline as renewables increasingly meet power demand.
MORE THAN A THIRD of India’s coal assets will run below 40% utilisation by 2032. Expensive plants running above INR 3/kWh risks becoming underutilised or going idle.
https://loom.ly/YXrBeIo
MORE THAN A THIRD of India’s coal assets will run below 40% utilisation by 2032. Expensive plants running above INR 3/kWh risks becoming underutilised or going idle.
https://loom.ly/YXrBeIo
Reposted by Katharina Umpfenbach
This summer, solar has been meeting about 10% of global electricity demand😎
November 20, 2025 at 9:27 AM
This summer, solar has been meeting about 10% of global electricity demand😎
Reposted by Katharina Umpfenbach
2025 wurden bisher 13,7 GW Solarleistung (DC) in Deutschland installiert.
Das Zubauziel für 2025 liegt bei 18 GW.
energy-charts.info/charts/insta...
Das Zubauziel für 2025 liegt bei 18 GW.
energy-charts.info/charts/insta...
November 20, 2025 at 11:23 AM
2025 wurden bisher 13,7 GW Solarleistung (DC) in Deutschland installiert.
Das Zubauziel für 2025 liegt bei 18 GW.
energy-charts.info/charts/insta...
Das Zubauziel für 2025 liegt bei 18 GW.
energy-charts.info/charts/insta...
Reposted by Katharina Umpfenbach
An interesting snippet of information...
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
November 20, 2025 at 11:39 AM
An interesting snippet of information...
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
Reposted by Katharina Umpfenbach
I wish there was better news than this headline ⚒️🧪
"Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 - reaching a record high" (globalcarbonbudget.org/fossil-fuel-...)
+ Global Carbon Budget 2025 is out globalcarbonbudget.org/gcb-2025/
+ Paper doi.org/10.5194/essd...
"Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 - reaching a record high" (globalcarbonbudget.org/fossil-fuel-...)
+ Global Carbon Budget 2025 is out globalcarbonbudget.org/gcb-2025/
+ Paper doi.org/10.5194/essd...
November 19, 2025 at 1:07 PM
I wish there was better news than this headline ⚒️🧪
"Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 - reaching a record high" (globalcarbonbudget.org/fossil-fuel-...)
+ Global Carbon Budget 2025 is out globalcarbonbudget.org/gcb-2025/
+ Paper doi.org/10.5194/essd...
"Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 - reaching a record high" (globalcarbonbudget.org/fossil-fuel-...)
+ Global Carbon Budget 2025 is out globalcarbonbudget.org/gcb-2025/
+ Paper doi.org/10.5194/essd...
Reposted by Katharina Umpfenbach
NEW RESEARCH:
Demand flexibility becomes more and more attractive.
We found a whopping 480 smart tariffs and services across Europe — a 3x increase since our 2021/2022 study.
www.sciencedirect.com/science/arti...
@jaapburger.eu @regassistproj.bsky.social @ecioxford.bsky.social
Demand flexibility becomes more and more attractive.
We found a whopping 480 smart tariffs and services across Europe — a 3x increase since our 2021/2022 study.
www.sciencedirect.com/science/arti...
@jaapburger.eu @regassistproj.bsky.social @ecioxford.bsky.social
November 19, 2025 at 8:15 AM
NEW RESEARCH:
Demand flexibility becomes more and more attractive.
We found a whopping 480 smart tariffs and services across Europe — a 3x increase since our 2021/2022 study.
www.sciencedirect.com/science/arti...
@jaapburger.eu @regassistproj.bsky.social @ecioxford.bsky.social
Demand flexibility becomes more and more attractive.
We found a whopping 480 smart tariffs and services across Europe — a 3x increase since our 2021/2022 study.
www.sciencedirect.com/science/arti...
@jaapburger.eu @regassistproj.bsky.social @ecioxford.bsky.social
Reposted by Katharina Umpfenbach
🚀 Huge step forward for decarbonising heat: Construction has started on world’s largest seasonal thermal energy storage facility in Vantaa, Finland.
Massive underground caverns will store 1.1m m³ of hot water — around 90 GWh of heat, enough to warm an entire town through winter.
Massive underground caverns will store 1.1m m³ of hot water — around 90 GWh of heat, enough to warm an entire town through winter.
November 19, 2025 at 2:43 PM
🚀 Huge step forward for decarbonising heat: Construction has started on world’s largest seasonal thermal energy storage facility in Vantaa, Finland.
Massive underground caverns will store 1.1m m³ of hot water — around 90 GWh of heat, enough to warm an entire town through winter.
Massive underground caverns will store 1.1m m³ of hot water — around 90 GWh of heat, enough to warm an entire town through winter.
Reposted by Katharina Umpfenbach
We’re celebrating Dr Brenda Boardman, awarded an Honorary Doctorate by The Open University for pioneering work on fuel poverty and energy justice. Huge congratulations to a founder of the ECI and a true force for change.
➡️ www.eci.ox.ac.uk/news/celebra...
@openuniversity.bsky.social
➡️ www.eci.ox.ac.uk/news/celebra...
@openuniversity.bsky.social
November 17, 2025 at 3:15 PM
We’re celebrating Dr Brenda Boardman, awarded an Honorary Doctorate by The Open University for pioneering work on fuel poverty and energy justice. Huge congratulations to a founder of the ECI and a true force for change.
➡️ www.eci.ox.ac.uk/news/celebra...
@openuniversity.bsky.social
➡️ www.eci.ox.ac.uk/news/celebra...
@openuniversity.bsky.social
Reposted by Katharina Umpfenbach
NEW: The first two years of Massachusetts' millionaire tax has raised $3 billion more than expected.
And rather than driving the rich away, IPS researchers found that the number of millionaires has *increased.*
Tax the rich. Greg Ryan in @bloomberg.com:
And rather than driving the rich away, IPS researchers found that the number of millionaires has *increased.*
Tax the rich. Greg Ryan in @bloomberg.com:
Millionaire Tax That Inspired Mamdani Fuels $5.7 Billion Haul in Massachusetts
A millionaire levy in Massachusetts that New York City mayoral frontrunner Zohran Mamdani holds up as a model for taxing the rich has generated $3 billion more in revenue than expected without forcing...
www.bloomberg.com
November 12, 2025 at 4:01 PM
NEW: The first two years of Massachusetts' millionaire tax has raised $3 billion more than expected.
And rather than driving the rich away, IPS researchers found that the number of millionaires has *increased.*
Tax the rich. Greg Ryan in @bloomberg.com:
And rather than driving the rich away, IPS researchers found that the number of millionaires has *increased.*
Tax the rich. Greg Ryan in @bloomberg.com:
Reposted by Katharina Umpfenbach
NEW | The world has achieved nearly a tenfold increase in solar power in the ten years since the #ParisAgreement ☀️
Solar rose from providing 1% of global electricity in 2015 to 8.8% in the first half of 2025.
Emerging economies now lead this growth 📈
https://loom.ly/tlCvBso
Solar rose from providing 1% of global electricity in 2015 to 8.8% in the first half of 2025.
Emerging economies now lead this growth 📈
https://loom.ly/tlCvBso
November 14, 2025 at 12:30 PM
NEW | The world has achieved nearly a tenfold increase in solar power in the ten years since the #ParisAgreement ☀️
Solar rose from providing 1% of global electricity in 2015 to 8.8% in the first half of 2025.
Emerging economies now lead this growth 📈
https://loom.ly/tlCvBso
Solar rose from providing 1% of global electricity in 2015 to 8.8% in the first half of 2025.
Emerging economies now lead this growth 📈
https://loom.ly/tlCvBso
Reposted by Katharina Umpfenbach
“The rise in high-fronted SUVs poses a clear and growing threat to public safety, especially for children,” states the report. “With no benefit to society, it’s time for lawmakers at all levels to act.” Via @carltonreid.com in @forbes.com.
Cap SUV/truck hood heights. And ban unsafe designs.
Cap SUV/truck hood heights. And ban unsafe designs.
EU Must Cap SUV Hood Heights Urges Report. Crash Test Body Says Not As Simple As That
Higher fronts on cars significantly increase the death rate when pedestrians and cyclists are struck, says new report. EuroNCAP says more complex than that.
www.forbes.com
November 15, 2025 at 7:18 AM
“The rise in high-fronted SUVs poses a clear and growing threat to public safety, especially for children,” states the report. “With no benefit to society, it’s time for lawmakers at all levels to act.” Via @carltonreid.com in @forbes.com.
Cap SUV/truck hood heights. And ban unsafe designs.
Cap SUV/truck hood heights. And ban unsafe designs.
Reposted by Katharina Umpfenbach
In the global electrification race China is marching ahead.
The US and Europe risk falling behind clinging on to yesterday's technologies.
The US and Europe risk falling behind clinging on to yesterday's technologies.
November 14, 2025 at 1:51 PM
In the global electrification race China is marching ahead.
The US and Europe risk falling behind clinging on to yesterday's technologies.
The US and Europe risk falling behind clinging on to yesterday's technologies.
Reposted by Katharina Umpfenbach
My main takeaway of the whole Epstein thing is that women, on a very fundamental level, still don‘t really matter.
November 13, 2025 at 8:38 PM
My main takeaway of the whole Epstein thing is that women, on a very fundamental level, still don‘t really matter.
Reposted by Katharina Umpfenbach
🤡OIL DEMAND WILL KEEP RISING🤡
What are the IEA assumptions that make rising oil demand so improbable?
What are the IEA assumptions that make rising oil demand so improbable?
November 12, 2025 at 6:10 AM
🤡OIL DEMAND WILL KEEP RISING🤡
What are the IEA assumptions that make rising oil demand so improbable?
What are the IEA assumptions that make rising oil demand so improbable?
Reposted by Katharina Umpfenbach
The room is
almost all
elephant.
Almost none
of it isn’t.
Pretty much
solid elephant.
So there’s no
room to talk
about it.
-Kay Ryan, “The Elephant in the Room”
#everynightapoem
almost all
elephant.
Almost none
of it isn’t.
Pretty much
solid elephant.
So there’s no
room to talk
about it.
-Kay Ryan, “The Elephant in the Room”
#everynightapoem
November 13, 2025 at 12:13 AM
The room is
almost all
elephant.
Almost none
of it isn’t.
Pretty much
solid elephant.
So there’s no
room to talk
about it.
-Kay Ryan, “The Elephant in the Room”
#everynightapoem
almost all
elephant.
Almost none
of it isn’t.
Pretty much
solid elephant.
So there’s no
room to talk
about it.
-Kay Ryan, “The Elephant in the Room”
#everynightapoem
Reposted by Katharina Umpfenbach
Never forget: At breakneck speed we are leaving the stable Holocene climate in which human society developed and thrived. Weather extremes are outside historical experience. Sea-level rise is accelerating. Dangerous tipping points are ahead.
Graph: ed-hawkins.github.io/climate-visu...
Graph: ed-hawkins.github.io/climate-visu...
November 13, 2025 at 11:52 AM
Never forget: At breakneck speed we are leaving the stable Holocene climate in which human society developed and thrived. Weather extremes are outside historical experience. Sea-level rise is accelerating. Dangerous tipping points are ahead.
Graph: ed-hawkins.github.io/climate-visu...
Graph: ed-hawkins.github.io/climate-visu...
Reposted by Katharina Umpfenbach
Truly remarkable: Poland used to be a climate laggard.
Today, wind and solar are increasingly replacing coal in the Polish electricity mix with almost 30% of all electricity generated to date this year from wind and solar.
In 2000 coal provided 95% of Polish electricity.
Today it is at 51%.
Today, wind and solar are increasingly replacing coal in the Polish electricity mix with almost 30% of all electricity generated to date this year from wind and solar.
In 2000 coal provided 95% of Polish electricity.
Today it is at 51%.
November 13, 2025 at 8:47 AM
Truly remarkable: Poland used to be a climate laggard.
Today, wind and solar are increasingly replacing coal in the Polish electricity mix with almost 30% of all electricity generated to date this year from wind and solar.
In 2000 coal provided 95% of Polish electricity.
Today it is at 51%.
Today, wind and solar are increasingly replacing coal in the Polish electricity mix with almost 30% of all electricity generated to date this year from wind and solar.
In 2000 coal provided 95% of Polish electricity.
Today it is at 51%.