Edgar Virgüez R, Ph.D.'s Avatar

Edgar Virgüez R, Ph.D.

@edgarvirguezr

Energy systems engineer and geographer. Decarbonization. Educator. Board Member. Global South. Husband, two-time dad, Latino. Research Engineer at the Energy Science and Engineering Department at Stanford University. Ph.D. & M.A. from Duke University.

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20.11.2023
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Latest posts by Edgar Virgüez R, Ph.D. @edgarvirguezr

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We love to say "costs fall X% every time capacity doubles." This paper looks at 87 technologies and says: actually, no. Past learning rates are not reliable predictors of future learning.

08.12.2025 17:15 👍 38 🔁 14 💬 2 📌 2
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Publishing is a part of the academic language. @edgarvirguezr.bsky.social (Duke university), Executive Editor of Environmental Research: Energy #EREN gives his insight on overcoming barriers and understanding the publishing process.

Read more: publishingsupport.iopscience.iop.org/early-career...

23.10.2025 12:59 👍 3 🔁 1 💬 0 📌 0
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Utilizing Curtailed Wind and Solar Power to Scale Up Electrolytic Hydrogen Production in Europe The growth of European wind and solar power capacity is associated with increasing electricity curtailment to manage excess generation and ensure safe network operations. Instead, this surplus electri...

It was super-fun to work with Alissa Ganter on this paper.

Substantial amounts of potential wind and solar generation is being curtailed in Europe.

This generation capacity could potentially be used to make hydrogen, substituting for hydrogen now made with fossil gas.

pubs.acs.org/doi/full/10....

14.02.2025 14:47 👍 19 🔁 9 💬 3 📌 0

We are organizing a meeting where a small group will discuss contrasting viewpoints, identify reasons for disagreement, and explore how much of that disagreement is due to differences in empirical beliefs, decision-making frameworks, or values.

If you have any suggestions, please reply to the post.

06.02.2025 15:35 👍 4 🔁 0 💬 0 📌 0

As Ken explains below, we are organizing a meeting where a small group will discuss contrasting viewpoints, identify reasons for disagreement, and explore whether or how much of that disagreement is due to differences in empirical beliefs, decision-making frameworks, or values.

06.02.2025 10:25 👍 8 🔁 2 💬 1 📌 1

A fascinating thread examining the internal perspective at a high-profile journal, Science, which addresses some of the common narratives and myths surrounding the publishing world.

Thanks, @jeremymberg.bsky.social for your openness and transparency.

30.01.2025 15:40 👍 4 🔁 0 💬 0 📌 0
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Ken Caldeira ‪Carnegie Insitution for Science, Dept. of Global Ecology‬ - ‪‪Cited by 58,529‬‬ - ‪climate‬ - ‪biogeochemical cycles‬ - ‪energy / environment‬ - ‪ocean acidification‬

If you are interested in a Stanford postdoc position in these areas, and like doing stylized studies, please contact me.

I value skills and a track record of achievement more than domain knowledge, and have had great success working with physicists.

scholar.google.com/citations?hl...

27.01.2025 14:50 👍 7 🔁 5 💬 2 📌 0

We did our most important coral work at One Tree Island.

It has been one of the best protected reefs in the Great Barrier Reef.

www.nature.com/articles/nat...
www.nature.com/articles/nat...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...

25.01.2025 13:50 👍 30 🔁 11 💬 0 📌 0
Chart showing timescale for return on investment in emissions abatement is on the order of a century whereas the timescale for return on investment in adaptation is about a decade or two.

Chart showing timescale for return on investment in emissions abatement is on the order of a century whereas the timescale for return on investment in adaptation is about a decade or two.

We reduce emissions to reduce long-term damage from climate change.

We adapt to reduce near-term damage from climate change.

New open access paper discussing how emissions mitigation and climate adaptation are complementary approaches to reducing climate damage:

www.nature.com/articles/s43...

13.01.2025 15:48 👍 575 🔁 129 💬 24 📌 7
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The 1/6 of the world's population living in Africa lives on less than 1/40 of the world's income.

(The 1.3 billion people living in Africa are represented by the green area in the upper left of this figure. The United States has about 1/4 of this population.)

www.voronoiapp.com/economy/-How...

25.12.2024 04:03 👍 34 🔁 10 💬 2 📌 1
Photo of Paulina Jaramillo, Emily Zuetell, Lyssa Freese, Edgar Virguez, Jackie Dowling, and Ken Caldeira in the US Capitol Building.

Photo of Paulina Jaramillo, Emily Zuetell, Lyssa Freese, Edgar Virguez, Jackie Dowling, and Ken Caldeira in the US Capitol Building.

Thanks, @paulijllo.bsky.social, for giving us a nice tour of her workplace, the US Capitol Building.

Paulina is going to have a front row seat to a lot of crazy that is about to happen.

With Emily Zuetell, @lfreese.bsky.social , @edgarvirguezr.bsky.social, and @jadowling.bsky.social

16.12.2024 14:59 👍 9 🔁 3 💬 0 📌 1
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The Influence of Regional Geophysical Resource Variability on the Value of Single- and Multistorage Technology Portfolios A stylized macro-scale energy model of least-cost electricity systems relying only on wind and solar generation was used to assess the value of different storage technologies, individually and combine...

Excited to present our energy storage portfolios paper at AGU in D.C. on Monday! #EnergySky

Paper: pubs.acs.org/doi/10.1021/...

Research Brief: img1.wsimg.com/blobby/go/65...

With my mentee Anna X. Li now a PhD student at Princeton, @edgarvirguezr.bsky.social, @kencaldeira.bsky.social, & more!

05.12.2024 07:45 👍 11 🔁 5 💬 0 📌 0

"We need to do hard work to bring the climate impact of our modern economy down to zero. But while we are trying to do the hard stuff, we can also grab some low-hanging fruit — no matter how high in the sky it may be."

18.11.2024 17:05 👍 5 🔁 1 💬 1 📌 0
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🧵 How did Texas interconnect ~70% more capacity than any US market btwn 2021-2023? The answer explains, in part, why 25 parties just filed w/ FERC supporting streamlined interconnection service (ERIS), with no clear opposition—signaling a promising area for bipartisan reform. (1/15) #EnergySky

18.11.2024 15:50 👍 109 🔁 23 💬 6 📌 7

Thanks!

15.11.2024 22:03 👍 0 🔁 0 💬 0 📌 0

Amazing resource!

By any chance, can I be added to the list?

15.11.2024 21:30 👍 2 🔁 0 💬 1 📌 0

Terrific representation 🇨🇴

15.11.2024 01:59 👍 1 🔁 0 💬 0 📌 0

Congratulations, Juan!

15.11.2024 01:55 👍 1 🔁 0 💬 1 📌 0

This is a useful summary (though the main factor determining PV generation is still just... how sunny it is, and the figure of 6-20% module efficiency is from 2015 and is now more like 20-23% for modern crystalline silicon modules).

13.11.2024 12:45 👍 61 🔁 14 💬 2 📌 3
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The global carbon budget 2024 is out

13.11.2024 07:03 👍 353 🔁 190 💬 12 📌 16
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Huge shoutout to @timlatimer.bsky.social and @jessejenkins.bsky.social for landing on the Time Climate 100! time.com/collection/t...

12.11.2024 15:51 👍 59 🔁 9 💬 2 📌 0

See y’all today. Summary of my presentation/career: we don’t know anything but we can still act

12.11.2024 12:46 👍 48 🔁 4 💬 3 📌 0

Congratulations! As you said, “onwards, my friend”!

12.11.2024 14:33 👍 1 🔁 0 💬 0 📌 0

9 energy-climate starter packs:
1)Power go.bsky.app/RwCBCab
2)Media go.bsky.app/2TNd1Ya
3)Solutions go.bsky.app/Aa1sErQ
4)Science go.bsky.app/7Mbnoge
5)Legal go.bsky.app/R4ZUdPE
6)Women go.bsky.app/AGCURBf
7)Nuclear go.bsky.app/5EJY58V
8)EVs go.bsky.app/R4ZUdPE
9)Southeast go.bsky.app/AZ6Xw1U

11.11.2024 15:07 👍 595 🔁 268 💬 68 📌 51

Terrific idea, Costa!

Can I be added to the list?

10.11.2024 19:27 👍 1 🔁 0 💬 0 📌 0

Thanks for taking the initiative, my friend!

10.11.2024 18:58 👍 1 🔁 0 💬 0 📌 0

Here's a starter pack for electric grid & power systems - lmk if you want me to add your account! (Omissions 100% unintentional, still finding folks here :-) 🔌💡
go.bsky.app/RwCBCab

09.11.2024 19:14 👍 264 🔁 95 💬 88 📌 18
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🙋Does your research focus on decarbonisation in the Global South? If so, consider submitting to Environmental Research: Energy's latest focus issue iopscience.iop.org/collections/...

Led by @edgarvirguezr.bsky.social, June Lukuyu, Krishnapriya Perumbillissery, Myriam Shiran

15.10.2024 14:49 👍 2 🔁 3 💬 1 📌 0
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Designing reliable and cost-efficient wind-and-solar-based electricity systems requires more weather years for analysis than are customarily used.

Research Brief: climateenergylab.org/researchbrie...
Underlying Paper: www.sciencedirect.com/science/arti...

25.09.2024 22:16 👍 7 🔁 1 💬 1 📌 0

Check out our latest paper!

17.09.2024 20:50 👍 1 🔁 0 💬 0 📌 0