Peter Light

Launching a clean energy future into the present @lumen_energy

Prev: Google X, Bloom, E3, Ohmium, RMI

[Richie Erb @richie_erb]

solving this issue will transform energy

[Today in History @TodayinHistory]

May 29, 1953: Edmund Hillary and Tenzing Norgay became the first known people to reach the summit of Mount Everest!

[Adam Stein @Dr_A_Stein]

In more than a decade we have not broken ground on a new commercial nuclear project and now we have two under way. https://t.co/y8wsofAia4

[Katie Jacobs Stanton @KatieS]

⛵️ Nice way to meet founders during climate week! Thanks @lightpeter @lumen_energy!

[Natalie Wolchover @nattyover]

Bacteria move around using a molecular machine called the flagellar motor that rotates faster than the flywheel of a race car engine and switches directions in an instant. After 50 yrs, scientists have finally figured out how it works. “My lifelong quest is now fulfilled.” Link⤵️

[Jesse Peltan @JessePeltan]

It's 2026.

Humanity now generates more electricity from the great big fusion reactor in the sky (via photovoltaics) than from all our fission reactors combined.

[Fin Moorhouse @finmoorhouse]

The hyperscalers have already outspent the most famous US megaprojects

[Oliver Groß @minenergybiz]

Unreal numbers 👀⚡️
"JPMorgan estimates that, had Germany not phased out nuclear power, the country would have generated 50% less electricity from fossil fuels and 84% less electricity from natural gas in 2024. Electricity prices in Germany would have been around 25% lower, and the country would have imported half as much electricity.."

[Peter Light @lightpeter]

‘Solar panels loaded on ship = 25 years of electricity in one cargo’

[Avi Roy @agingroy]

A single shot that slows your biological clock. Five aging markers improved. Benefits lasting 4+ years.

New study (n=3,884, US Health and Retirement Study)

Shingles vaccination was associated with:
-> Lower inflammation (p=0.003)
-> Slower epigenetic aging (p=0.0001)
-> Slower transcriptomic aging (p<0.0001)
-> Lower composite biological aging score (p=0.0002)

The mechanism: chickenpox virus hides in your nerve cells for life. As you age, it reactivates silently, fueling chronic inflammation even without causing shingles. Suppressing that reactivation removes a hidden accelerant of biological aging.

The shingles vaccine is recommended for adults 50+ and covered at no cost by most insurance plans.

Vaccines aren’t just for preventing infection anymore. They’re longevity tools.

[Peter Light @lightpeter]

Yes

[Jane Flegal @JaneAFlegal]

We should treat electricity as a growth platform (like highways, broadband) rather than a commodity to be tightly balanced at least cost. The federal agenda would then shift from “optimize around forecast demand” to “build abundant capacity and let growth come to it.”

[Peter Light @lightpeter]

I see you - well done @celinehalioua ⚡️

[Celine Halioua @celinehalioua]

Loyal has raised a $100M Series C from age1, Baillie Gifford, existing investors, &amp; more

this brings Loyal's total funding to over a quarter of a billion dollars

we are building the longevity pharma, starting with dog longevity. thanks @FastCompany for the exclusive -&gt;

[Peter Light @lightpeter]

Rings true

“The middle is still where the complications live, where the position is ambiguous and the thing no one modeled happens and you have to play the board as it is.”

[Will Manidis @WillManidis]

https://t.co/55JiWR8AEu

[Will Manidis @WillManidis]

https://t.co/55JiWR8AEu

[Ramez Naam @ramez]

Because I'm an OG solar optimist, people assume I'm a solar maximalist. And solar is, clearly, the fastest dropping energy tech of all time, and (modulo some wild cards) likely to be the cheapest source of electrons on planet earth. But winter is a real thing. Multi-week cloudy periods are real. Batteries struggle with them. Electricity demand will be higher in winter than summer as we electrify heat. Wind + clean firm (if any get their act together) are going to be a vital part of the energy mix.

[Spencer Schiff @spencerschiff_]

Buckle up

[Duncan S. Campbell @duncancampbell]

Very awesome post.

Casey’s math makes sense here. If someone can figure out how to build DC only solar systems at 25 cents/watt at the hundreds of MW scale that are insurable and financable, they will change the world.

[Peter Light @lightpeter]

@DanielleMorrill @claudeai make the 6th tab a Federico

[Peter Light @lightpeter]

@reinpk incentives: “It took this long because regulators are structurally faced with no upside, only downside legal risk in taking a formal position on something new.”

[Peter Light @lightpeter]

@RnaudBertrand @sdamico - for your records