Why Steam Power's 200-Year Reign Might Be Over

Why China’s Supercritical CO₂ Turbine Matters. Take your personal data back with Incogni! Use code UNDECIDED at the link below and get 60% off an annual plan: http://incogni.com/undecided For over 200 years, we've been generating electricity essentially the same way: by boiling water. Today, steam turbines power the vast majority of the world's electricity. But this technology, which has powered us since the industrial revolution, might not be up to supplying us enough energy in this new revolutionary era of artificial intelligence. AI data centers are driving energy demand through the roof. The US alone needs to increase power output by 165% before the end of this decade just to keep up. We need to find ways to generate more power right now, without taking years to build entirely new facilities. And that's where things get interesting. In December 2025, China flipped the switch on the world's first commercial supercritical CO2 power generator. The claims? An 85% increase in efficiency and 50% more power output. Same facility, better generator. And the full-size turbine? It's about the size of a desk. Now, that's a series of bold claims. I know that impressive first deployments don't always translate to long-term success. So, what is the real potential of something like Chaotan one? To answer, let's dig into what supercritical CO2 actually is, how it measures up to its steamy competition, and whether engineering challenges might keep it from living up to the hype. Corrections: 13:23 - Should read 3.11 Million Square Meters Watch How Ocean Plastic Isn’t The Problem https://youtu.be/Rqpfnj7dAgw?list=PLnTSM-ORSgi7uzySCXq8VXhodHB5B5OiQ Video script and citations: https://undecided.tech/why-chinas-supercritical-co₂-turbine-matters/ Get my achieve energy security with solar guide: https://undecided.link/solar-guide Follow-up podcast: Video version - https://www.youtube.com/channel/UC4-aWB84Bupf5hxGqrwYqLA Audio version - https://undecided.link/stilltbd-podcast Join the Undecided Discord server: https://undecided.link/discord 👋 Support Undecided on Patreon! https://undecided.link/patreon Visit my Energysage Portal (US): Research solar panels, heat pumps, and more to get quotes for free! https://undecided.link/energysage For a curated solar buying experience (Canada) EnergyPal's free personalized quotes: https://undecided.link/energypal 👉 Follow Me Mastodon https://mastodon.social/@mattferrell Bluesky https://bsky.app/profile/mattferrell.bsky.social X https://x.com/undecidedtech Instagram https://www.instagram.com/undecidedtech Website https://undecided.tech Some music provided by Epidemic Sound https://undecided.link/epidemic I may earn a small commission for my endorsement or recommendation to products or services linked above, but I wouldn't put them here if I didn't like them. Your purchase helps support the channel and the videos I produce. Thank you. Chapters 00:00 - Intro 01:45 - What Is Supercritical CO2? 03:18 - Why sCO2 Could Replace Steam 05:47 - China's Chaotan One 07:37 - The US Approach: Sandia's STEP Program 09:35 - Here's What They're Not Telling You