An utility may pertain-to principles.Logical formLearned from3 sentences. An utility may pertain-to (study results).Logical formLearned from3 sentences. An (utility authority) can be self-sufficient.Logical formLearned from3 sentences. (Rate programs) may be offered by an electric utility.Logical formLearned from3 sentences. Vertical integration can be between utilities.Logical formLearned from3 sentences. Contracts can be between utilities.Logical formLearned from3 sentences. A logo may pertain-to an utility.Logical formLearned from3 sentences. Products may pertain-to a (parent utility).Logical formLearned from3 sentences. A logo may pertain-to a (parent utility).Logical formLearned from3 sentences. (Utility purchases) can be regulated.Logical formLearned from3 sentences. A bulk of (utility purchases) may be restricted to contracts.Logical formLearned from3 sentences. Utilities may operate in unregulated markets.Logical formLearned from3 sentences. A relationship can be between an utility.Logical formLearned from3 sentences. An utility may undergo a separation.Logical formLearned from3 sentences. Costs may pertain-to an utility.Logical formLearned from3 sentences.