💡Energy storage is essential for a reliable and sustainable power grid.
🏞️Giant batteries, like pumped-hydro storage, are being used to store energy from renewables.
🔋Form Energy is developing iron-air batteries that are cheaper and made of abundant materials.
💰Cost and geographic limitations are challenges in scaling up energy storage solutions.
🌍The goal is to create a carbon-free grid and decarbonize the electric system on a massive scale.