Sam Steyer

There is so much challenging paperwork and data wrangling in the Energy Industry -- super smart AI is going to unlock so many new GW. ⚡️

nytimes.com/2025/07/18/opi… It's been a bad few months for clean energy policy, but keep your heads up and keep moving! Keep doing your important work, my clean energy people. You are on the right side of History, and on the decadal scale: solar, wind, and batteries are inevitable.

SF has the best tech, the best network, the best weather, the best food, and Napa, CA an hour away. Built different

Daniel Lurie is running a political masterclass. Majority approval rating across every major political group in the city. I would have thought this was ~impossible.

A fun read here from @iamsternlicht on the nuanced interplay of AI and energy (with a nice quote here and there from one @SSteyer41) fortune.com/2025/07/23/ai-…

We are thrilled to be included in @FortuneMagazine's article exploring the intersection of AI and energy! We are especially proud to be building technology that makes energy professionals more productive via improved efficiency, speed, and accuracy. Read the story below 👇

Thank you @iamsternlicht for giving me the chance to tell @Halcyon's story in @FortuneMagazine! This article is awesome, and the other energy people quoted are excellent company to be in. AI will drive electricity use way up; let's make sure we're using it to deliver that new…

If you want to start a software startup, you should still learn to program. Even if AI writes most of your code, you'll still be in the position of an engineering manager, and to be a good engineering manager you have to be a programmer yourself.

Can we bring this energy to solar too please?

The best time to plant a tree was 20 years ago, the second best time is today, as they say. Good article on the (in my view) reality that climate tech and clean energy needs to build stronger relationships with Republicans so we don’t face hostile policy every time Rs win…

The First Amendment is one of the best things about America. The American conception of free speech is simply superior to most European speech laws.

"you can't have solar AND nuclear" is such B.S. Tell me you've never seen a load profile without telling me you've never seen a load profile.

A Day in Heaven 🌁 - Bike to Jackson Square - Breakfast at Postscript Cafe - Lunch at Cotogna - Run in the Presidio/GG Park/Sutro or Swim in Aquatic Park or CrossFit 7x7 - Dinner at Pearl 6101 - Walk home

Super interesting research from our team at @Halcyon, at a time when unheard-of-size, power-plant-size, data center loads are coming onto the grid. ⚡️💾

A fun type of @Halcyon Data Science project: We find important, ongoing energy regulation with 50+ public comments and use LLMs to tag commenters' positions on different issues, organizational details, etc. -- et voilà, beautiful structured dataset. halcyon.io/blog/machine-r…

the goal of life is to be excited to go to work and excited to go home

We are so back.

Solar isn’t real blah blah blah.

We are doing it wrong..America added 56 GW all of last year, most from solar... China added 93 GW in a month. Just for comparison, the last American nuclear power plant was completed in 2024. It took 11 years to build and cost $35 billion to generate ~1 GW of power.

For 4.6 billion years the sun’s been free. Only now are we unlocking its economic value. Solar is the cheapest power in history and a foundational component for U.S. manufacturing, grid modernization, and energy security...great piece by @billmckibben newyorker.com/news/annals-of…

There’s an emerging type of clean energy person who believes 1) eventually, solar will be the dominant energy source 2) overall global electricity use is going way, way up 3) broad human prosperity and low emissions is coming. I was raised on the “solar coaster” and get fixated…