Page 16 - SGG_220310Students_Presentation_Module 3

Measuring produced energy types:

Primary energy is any extraction of energy
ENERGY products in a useable form from natural sources.

PRODUCTION power plant to produce electricity, electricity is a
Secondary energy: When we burn coal in a

form of secondary energy.
AND Final energy: Once we have transported

CONSUMPTION the transferred electricity in our homes; heating.
secondary energy to the consumer, for instance

Useful energy: This is the last step. For example,

for a lightbulb, it’s the amount of light that is

produced. For a car, it’s the amount of kinetic

(movement) energy that is produced.