What If Everyone Turned Off Their Lights at Once?

Switching off the lights saves power. All at once, it can take the grid down. 💡 Sources: • Powerline (8 Apr 2020) – When the lights went off: India's demand fell 31,089 MW at 9 pm on 5 April 2020 (116.9 → 85.8 GW): https://powerline.net.in/2020/04/08/when-the-lights-went-off/ • IEEFA (Apr 2020) – Power system operator demonstrates fine art of grid management (POSOCO's preparation; frequency peaked at 50.26 Hz): https://ieefa.org/wp-content/uploads/2020/04/Power-System-Operator-Demonstrates-Fine-Art-of-Grid-Management_April-2020.pdf • pv magazine (23 Mar 2026) – ENTSO-E report on the 28 Apr 2025 Iberian blackout (overvoltage tripped generation in a cascade): https://www.pv-magazine.com/2026/03/23/entso-e-report-finds-systemic-failures-behind-2025-iberian-blackout/ • Schneider Electric – What is cold load pickup? (restarting after an outage can trip the grid again): https://www.se.com/ae/en/faqs/FA410344/ Video: 3D animation by FunNotSoFun (space scenes are not to scale). • Earth day map and clouds: Solar System Scope, CC BY 4.0: https://www.solarsystemscope.com/textures/ • India demand curve: shape illustrative, values from POSOCO via Powerline #shorts #funfact #notsofunfact #facts #blackout #electricity #powergrid