Basics
The foundations of electricity, grid balance, and energy storage. New to energy? Start with How Electricity Works. Already familiar? Jump to any topic.
1
How Electricity Works
Interactive
Voltage, current, AC vs DC, and how we generate the power that runs everything.
2
Supply & Demand
Interactive
Why the grid must balance supply and demand every second — and what happens when it can't.
3
How Batteries Work
Interactive
Inside lithium-ion cells, the cost revolution, and the technology coming next.
4
Beyond Lithium-Ion
Interactive
Flow batteries, pumped hydro, gravity storage, hydrogen, and the portfolio the grid needs.
Ready to go deeper?
Once you know the basics, the Learn section
explains how Virtual Power Plants work — from grid problems to distributed solutions.