"A potentially game-changing and largely unexplored energy jackpot lies beneath the ocean floor, according to a whitepaper from geoscience tech consultancy CGG. Unique conditions under the sea bed promise cheaper and more accessible geothermal power."
https://newatlas.com/energy/offshore-geothermal-cgg/
Offshore Geothermal: A Green Energy Resource of Global Significance and its Responsible Development
Download the latest whitepaper for a summary of the marine geothermal system and co-production opportunities, an overview of where geothermal can be deployed, best practices for responsible development of offshore geothermal, and growth opportunities that offshore geothermal can bring to developing nations.