Learning
Start Here
A) Outline
B) Basics
  1) What's Electricity?
  2) How's Electricity Made?
  3a) What's Cogeneration?
  b) More Advanced
  4) Recap: The Basics
C) Generator
D) Prime Mover
E) Fuel
F) Distribution
Finish Here

 

 
 
B3a) What's Cogeneration? Definition

Cogeneration - it sounds like a complicated term. But it’s not, really.

Simple Definition
Basically, it describes a process of burning a single fuel to simultaneously create two forms of energy.

Most commonly the two forms of energy are: electricity and steam.

Household Example
One of the most common forms of cogeneration takes place in your car. The engine burns fuel, creating power to turn the wheels. When you turn on your dashboard heater, air is sucked in the front of the car and passes over the hot engine, where it’s warmed by all of the waste heat dissipating from the engine block. Then the warm air is blown into the passenger compartment where it keeps you nice and toasty. That’s a form of cogeneration. You’re recovering heat that normally would have been wasted, and putting it to use. Modern day, industrial cogeneration involves the same thing, but on a much larger scale.

Q: “Are you telling me, cogeneration is a fancy word for re-using waste heat from the generation of electricity?”

A: Yup.

Key Take-away
Cogeneration: 1 fuel => 2 forms of energy (heat & electricity)

Let's take a closer look at Cogeneration.

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