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.
For other uses, see Knowledge (disambiguation) . Knowledge is a familiarity, awareness or understanding of someone or something, such as facts, information, descriptions, or skills, which is acquired through experience or education by perceiving, discovering, or learning.Knowledge can refer to a theoretical or practical understanding of a subject.n philosophy, the study of knowledge is called epistemology; the philosopher Plato famously defined knowledge as  justified true belief , though well-justified true belief is more complete as it accounts for the Gettier problems. However, several definitions of knowledge and theories to explain it exist.