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Wire · technology

Energy beneath our feet: Could rock be used as a battery for renewables?

14 September 2026 · By · Wire by Fusion42

Published

14 September 2026

Topic

technology

◆ Sectors

Clean Energy

◆ Geography

Europe

◆ Source

Read at euronews.com →

◆ Verified

Fusion42 · 15 September 2026 · Fusion42 review

Researchers are exploring the use of underground rock formations as a large-scale battery to store renewable energy, potentially addressing intermittency issues inherent to wind and solar power.

This Wire brief sits within Fusion42's coverage of Clean Energy.

◆ ◆ The Wire takeaway

Energy storage founders targeting grid solutions have a new angle as underground rock batteries move from concept to pilot stage. You can target partnerships with mining or construction firms to pioneer commercial applications.

◆ Coverage

1 source · 14 Sep 2026

◆ Related on Wire

◆ Topics

Clean Energyunderground-storagerenewable-energyenergy-transitiongrid-storageclean-energy