Wind power is capital intensive, but has no fuel costs. The price of wind power is therefore much more stable than the volatile prices of fossil fuel sources. The marginal cost of wind energy once a station is constructed is usually less than 1-cent per kWÂ·h.
The knowledge framework is a tool for analysis. 1  There are five parts to the framework: 2  scope and applications. 3  key concepts and language. 4  methodology. 5  key historical development. 6  links with personal knowledge.
Knowledge comprises active systems of intentional mental representations derived from past learning experiences. Each learner interprets experiences and information in the light of their extant knowledge, their stage of cognitive development, their cultural background, their personal history, and so forth.