Page 79 - “GREENING” THE CONTENT IN CXC® SYLLABUSES
P. 79
E-LEARNING MODULES AND LEARNING GUIDE FOR TEACHERS
Wind
Advantages Disadvantages
Renewable and clean source of energy Moderate to high initial/capital cost
depending on the size of the system.
Reduces dependence on fossil fuels Only practical in windy areas/Intermittent
Reduces electricity costs over time Backup systems are required
Low operating cost Noise and visual pollution
Low maintenance cost Poses a threat to birds and bats
Emits no air pollution
Can provide power to remote areas
Has a high efficiency rate
Can be installed both onshore and
offshore
77
