





🌍✨ Q&A: What is ‘long-duration energy storage’ – and why does the UK need it?
Why we’re watching: Print article Share The UK is pioneering the use of “super batteries” that can store energy for long periods, smoothing the output from wind and solar power as the country moves towards net-zero.
It is aiming to build “long-duration energy storage” (LDES) that fills up when supplies are plentiful, to help cover the gaps when the wind does not blow and the sun does not shine. 💚
These periods can last for days or even weeks – sometimes referred to as “dunkelflaute”, a German word meaning “dark doldrums” – whereas the current batteries on the electricity system only last a matter of hours.
⚡ Why this matters
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🔭 What to watch next
- 📌 Key signal: Print article Share The UK is pioneering the use of “super batteries” that can store energy for long periods, smoothing the output…
- ✅ Watch for measurable follow-through, not just announcements.
- 🔎 Share the most practical takeaway with your community.
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Reporting curated for GreenTV. Original reporting via Carbon Brief.