University of Newcastle

A consortium project investigating the reuse of spent oil and gas wells in the UK for carbon capture and storage from blue hydrogen production, with plans to test CCS in 20 identified wells primarily in Yorkshire and the Midlands.

Storing hydrogen gas in underground geological formations, such as porous rocks, for later use.

Conventional solar panel technology that dominated the market during the article's timeframe. Rapid price declines in this technology made it difficult for alternative technologies like cadmium-telluride to compete commercially.

Hydrogen produced from renewable electricity sources, considered a critical component for hydrogen's long-term credibility as a clean fuel.

Australia

United States

Yorkshire and the Midlands (onshore); North Sea (offshore potential)

A consortium project investigating the reuse of spent oil and gas wells in the UK for carbon capture and storage from blue hydrogen production, with plans to test CCS in 20 identified wells primarily in Yorkshire and the Midlands.

An independent investigation by the British Geological Survey into the potential of an underground carbon capture and storage research laboratory.