Dinorwig: Britain's pumped-storage hydroelectric battery
Tom Scott · Explainer · 5 min · 2018 · YouTube title: Britain's largest battery is actually a lake
Why it's here
HN cites it whenever grid storage or pumped hydro comes up, as an accessible example of storage at scale.
What it covers
Tom Scott visits Dinorwig Power Station in Wales, a pumped-storage hydro plant often called Britain's largest battery. He explains how it works and how its role has shifted from TV pickup spikes to balancing wind and solar.