Utility refers to the quantity of satisfaction a particular person gets from consumption of a specific marginal utility refers to the addition made to total utility, we get right after consuming a single a lot more unit. The curve DD’ demand curve slopes down which shows that cost and quantity demanded function in opposite direction. The main concentrate of an energy business is the production and sale of power sources, for that reason an energy lawyer will normally deal with the contractual side of this – i.e. producing confident that the production, sale and distribution of the sources is legally right. The power business is heavily regulated and any new project will have to have to stick to any applicable laws.