Making a Building’s Water System Into a Hydroelectric Plant

Daryl Ng in the water meter room of a Kowloon shopping mall, where a hydrogeneration system is being tested.

Daryl Ng in the water meter room of a Kowloon shopping mall, where a hydrogeneration system is being tested.


HONG KONG (The New York Times) – Daryl Ng was taking a long shower, as he does every morning. And his wife, as she does every morning, scolded him for needlessly using so much water.

“How can I justify the amount of time I’m taking?” Mr. Ng recalled thinking to himself. And while looking at the water running down the drain, he got an idea. Continue reading