Jesse D. Jenkins Profile picture
Nov 8, 2021 8 tweets 7 min read Read on X
How many EVs does each state need on the road in 2030? How much land will solar or wind need? How large will the energy workforce be?
@Princeton Net-Zero America study FINAL REPORT is out & our state-level data viewer can answer these and other questions netzeroamerica.princeton.edu Image
Also NEW in the Net-Zero America final report:
1. A summay report excerpting key findings from the 348 slide full report.

2. Dozens of new sensitivity cases to explore the impact of key uncertainties (see Annex B for detailed info). ImageImageImage
3. Detailed mapping or "downscaling" of wind, solar & transmission build-out for more pathways (plus an updated city-to-city transmission planning optimization method). ImageImageImage
4. More extensive analysis of the air pollution and public health impacts and benefits of a net-zero energy transition (led by @ErinNMayfield, now a prof. at @dartmouth) ImageImageImageImage
5. A new discussion on trade-offs and key challenges in the pathways to net-zero (which became a frequent focus of our public seminars/briefings on the report since the interim report was released in December 2020). ImageImage
6. Highlighting four key risks or "failure modes" that could derail the net-zero transition, which emerge from our study. These failure modes and thoughts on how to overcome them are the subject of a NEW @Joule_CP commentary by the NZA authors out now: authors.elsevier.com/a/1e1Pa925JEG8… ImageImage
7. Final and updated annexes with details on methodologies developed and used in the Net-Zero America study, which you can find at netzeroamerica.princeton.edu/the-report Image
8. And of course, some error correction/typo fixes etc. Most notable error: a bug in our manufacturing employment estimates which increased estimated solar & wind manufacturing employment in the Interim Report. Does not affect topline job numbers but does change mfg results. ImageImageImage

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More from @JesseJenkins

Jul 3
The House is voting to pass the One Big "Beautiful" Bill right now. Here's six key takeaways on what passage means for U.S. energy costs, investment in new electricity supplies, and greenhouse gas emissions. #OBBB Image
1. The One Big "Beautiful" Bill raises U.S. household and business energy expenditures by $28 billion annually in 2030 and over $50 billion in 2035.
#OBBB Image
2. The One Big "Beautiful" Bill increases average U.S. household energy costs by roughly $165 per household per year in 2030 and over $280 per household per year in 2035—an increase of about 7.5% in 2030 and over 13% in 2035.
#OBBB Image
Read 9 tweets
Jul 2
REPEAT Project just completed our rapid analysis of the impacts of the Senate-passed version of the One Big "Beautiful" Bill (#OBBB), which the House is considering now, on the US energy sector and emissions. Still working up full report, but here is a sneak peak... 🧵 Image
Compared to what Trump can do via executive action alone, if the Senate-passed #OBBB becomes law:
1. US greenhouse gas emissions would increase by ~190 million metric tons per year in 2030 & 470 million tons in 2035 Image
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Compared to what Trump can do via executive action alone, if the Senate-passed #OBBB becomes law:
2. US households & businesses will spend $28 billion more on energy annually in 2030 and $52 billion more in 2035.
3. The average US household will pay ~$165 more per year on energy bills in 2030 and over $280 per year in 2035.Image
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Read 7 tweets
Jun 28
This is unbelievably bad. I am astonished that the Senate language got WORSE overnight than even the House version. This One Big Horrible Bill will raise energy costs, kill $100s of billions of new investment in energy & manufacturing, make our grid less reliable, increase pollution, and constrain our ability to compete with China for the future or AI. Total loser stuff.
The new Senate draft raises taxes on all wind and solar projects that haven't begun construction today unless they are placed service by end of 2027 and navigate complex, likely unworkable requirements to prove they don't use a drop of Chinese materials. After that, this bill ADDS A NEW tax on wind and solar projects that can't prove the same.
Oh & it does so while killing the tax credits to support domestic manufacturing of wind components at the end of 2027 & adding the same unworkable requirements to the credits supporting US solar & critical minerals. It'll murder our nascent clean energy manufacturing sectors.
Read 5 tweets
Jan 31
Everyone seems to be framing Trump's freeze on federal grants as a Constitutional fight over powers of the purse & whether presidents can disregard Congressional appropriations. It is that. But also at stake is the fundamental validity of govt contracts! I see much less discussion on this... 🧵
Trump isnt just trying to impound appropriated but unobligated funding. He's frozen dispersement of billions of dollars of CONTRACTUALLY OBLIGATED funds. Whatever you think about the validity of impounding unobligated funds, this is quite clearly a direct and widespread violation of contract law. 🧵
While the courts forced Trump's OMB to revoke its across-the-board freeze on ALL federal assistance (grants, loans etc), the White House continues to forbid dispersment of obligated funds for various programs they just dont like, including clean energy, anything that smells of DEI, foreign aid etc 🧵
Read 7 tweets
Oct 2, 2024
Vance last night: "We should be making more solar panels here in the United States of America."
Me last night yelling at the TV: THAT IS EXACTLY WHAT AMERICA IS DOING UNDER THE BIDEN-HARRIS ADMINISTRATION (AND EVERY SINGLE REPUBLICAN VOTED AGAINST THE LAW THAT MADE IT HAPPEN)!!
And it's not just solar panel manufacturing. After decades of politicians like Vance making empty promises to bring manufacturing back to America, WE'RE ACTUALLY DOING IT! Thanks to clean energy & industrial policy laws passed under Biden & Harris.

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Just last week, Ohio-based solar PV manufacturer @FirstSolar inaugurated a new $1.1 billion manufacturing facility in Alabama that adds 3.5 gigawatts of fully vertically integrated solar manufacturing capacity in the US. That's ~10% of the US market for solar. madeinalabama.com/2024/09/first-…
Read 8 tweets
Aug 16, 2024
Two years ago today, President Biden signed into the law the landmark Inflation Reducation Act, supercharging the clean energy transition.
Today, REPEAT Project releases 'Climate Progress 2024,' our annual update and analysis of US progress on the path to net-zero emissions.Image
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In this 2024 update, we've thoroughly refreshed all assumptions, calibrated near-term constraints against real-world trends & announced investments, and accounted for several federal regulations (EPA emissions rules & DOE efficiency standards) finalized by in the last year. Image
In todays' Summary Report (available at ), we provide high level results from REPEAT Project’s 2024 Annual U.S. Emissions Pathways Update.
A final report with further detailed findings and an updated data portal with quantitative results will be published soon at .repeatproject.org/reports
repeatproject.org
Read 13 tweets

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