Question

Classification of sources of energy—On the basis of occurrence, physical state, availability.

Answer 1

Sources of Energy

Renewable Energy

Solar Energy

Wind Energy

Biomass and Biofuels

Water and geothermal

Water

Geothermal energy

Non Renewable energy

Related Resources

Answer 2

Energy sources can be classified into two types: non-renewable and renewable.

Explanation:

• The three major categories of energy for electricity generation are fossil fuels (coal, natural gas and petroleum), nuclear power, and renewable energy sources.
• Good sources of energy should have the following properties:

1. Optimum heat output per unit of volume/mass used
2. easy to transport
3. least pollution
4. economical

• The two types of natural sources of energy are classified on the basis of their popularity and usage,

1. conventional sources of energy
2. non-conventional sources of energy