Dispatch

Both “the grid” at large and most utilities routinely operate without interruption more than 99.9 percent of the time. Such a measure of power availability alone, however, is of limited utility in evaluating reliability performance at the distribution level. To do so, utilities turn to the distribution reliability indices defined in IEEE-1366, or elsewhere, which […]

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From the start of the industry, power company managers and engineers treated reliability as a business concern, not a matter of public duty. As Cleveland engineer, E.P. Roberts adroitly expressed, a power company in competition with a gas-lighting company had to offer a continuous and reliable service to attract customers. Read More!

Electric system reliability is easy to observe, but difficult to define. The electric system is reliable if the lights come on, or stay on, as the customer desires. Unreliability of electric systems can also be observed. Read More!

From the start of the industry, power company managers and engineers treated reliability as a business concern, not a matter of public duty. As Cleveland engineer, E.P. Roberts adroitly expressed, a power company in competition with a gas-lighting company had to offer a continuous and reliable service to attract customers. Read More!

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