Energy Storage
How Mars Technology Gave Us Cheap Energy Storage
Every year, some company claims they’ve cracked long-duration energy storage. And every year, we’re still leaning on lithium-ion batteries that tap out after ...
Renewable Energy
What the Iran War Means for Renewable Energy
The war in Iran just triggered the most severe oil supply shock in history. Start your 7-day free trial + unlock 4 extra ...
Energy Storage
How This Heat Pump Water Heater is Also a Battery
How This Heat Pump Water Heater is Also a Battery. Go to https://ground.news/undecided for an innovative way to stay fully informed on tech, ...
Energy Production
Why China’s Supercritical CO₂ Turbine Matters
For over 200 years, we’ve been generating electricity essentially the same way: by boiling water. And it’s worked! Today, steam turbines power the ...
Energy Production
The National Grid Is Dead. Here’s What Replaces It.
In April 2025, most of Spain and Portugal went dark. A cascading failure knocked out the Iberian peninsula’s grid in seconds. Just four ...
Energy Storage
The Mystery Behind Donut Lab’s “Impossible” Battery
Ever since Donut Lab announced their miracle solid-state battery, the internet has been absolutely certain about what it is. A capacitor. Vaporware. A ...
Energy Production
Why Waiting for Perovskite Solar Isn’t Worth It (Solar 3.0)
Perovskite solar cells could hit 35% efficiency and cost half as much as silicon, but they’re still years away from your roof. Meanwhile, ...
Energy Storage
How 40-Ton Spinning Wheels Are Saving the Power Grid
When Spain’s power grid failed on April 28th, 2025, it quickly became a very serious issue. Not only for the economic impacts, but ...
Energy Storage
Why Aluminum Batteries Could Beat Lithium
Your lights just flickered. Not for long. Just a split second. You probably didn’t think much about it, but somewhere a battery may ...
Energy Storage
Are Sodium Batteries Already Dead?
NOTE: An earlier version of this story incorrectly associated the failure of Northvolt to their sodium ion battery production issues, but their challenges ...















