The scrappy beginning of Tesla’s energy busin...

Silicon solar panels have led the market for decades but hit a ceiling around 23% efficiency. Perovskite, a frontier material once dismissed for degrading too fast, is now being called the holy grail of solar. Saritha Peruri, VP of Commercialization at Tandem PV, is bringing it t ...  Show more

California recorded its second-lowest Sierra Nevada snowpack on record this spring. That's not just a bad ski season, it's a water supply crisis. Snowpack is where California's water comes from. And when it doesn't materialize, agriculture, hydropower, and fire suppression all fe ...  Show more

This might be our wonkiest topic yet: Techno-economic analysis, or TEA.  Before a startup proves its technology is commercially viable, it models how a technology would work. These TEAs include things like assumptions about inputs, prices, and market landscape. They help investor ...  Show more

Over the past three seasons of With Great Power, we've met some of the incredible people working to make our power grid smarter, cleaner, and more resilient. We've examined the complexity of policy and regulation. We tackled the challenges of adopting new technologies like artifi ...  Show more

The latest innovations in biotech are upending our approach to disease, longevity and climate change. Are we ready? This hour, TED speakers share ideas at the forefront of this new wave. Guests include co-founder of the Human Cell Atlas Aviv Regev, physical chemist Brad Ringeisen ...  Show more

Low-carbon hydrogen has taken a few knocks in the headlines lately. There have been cancelled projects and fewer splashy announcements. Policy support has been jittery. Is momentum fading, or are we simply moving out of the hype phase and into the serious work of delivery? Hos ...