There is another post, here on SN, on OTEC -- for an article in Bitcoin Magazine:

*How Bitcoin Can Unlock The Energy Of The Ocean For 1 Billion People*
https://stacker.news/items/30837
https://bitcoinmagazine.com/business/bitcoin-unlocks-ocean-energy

BTCMiner

Nathaniel was interviewed on Compass Podcast:

*🎧 Turning Ocean Thermal to Hashrate | Compass Podcast*
https://stacker.news/items/24157
https://www.youtube.com/watch?v=ZaXfoAKnrcM

bitcoin

🎧 #67 Ocean Bitcoin Mining with Nathaniel Harmon | Bitcoin Magazine LIVE

Nathaniel's OTEC project was described in a post earlier here on SN: 

*The Bitcoin Solution for Hawai‘i Energy*
https://stacker.news/items/18322
https://www.youtube.com/watch?v=V9VDAIH4ZFg