 ##  [Penstock](/penstock) 

  ##  [Penstock](https://engineering.quantumdictionary.io/penstock-0) 

  
 [![Engineering & Applied Technologies Dictionary](/sites/default/files/styles/large/public/2026-01/Engineering%20%26%20Applied%20Technologies.png.webp?itok=_IKO7_-n)](/topic-specific-dictionaries/engineering-applied-technologies)


**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A large closed conduit or pipeline that conveys pressurized water from a reservoir, intake or forebay to a turbine, valve house or outlet, designed to sustain the static head and transient hydraulic loads while controlling flow rate and minimizing energy losses.