Given a stations varying demand, the mor module identifies a loading pattern. The above graph shows merit order despatch from stations in order of increasing variable charges. The merit order is separate from the fixed costs associated with a power generation technology. The simplification it relies upon is to neglect dynamic. A detailed analysis of the price effect of renewable electricity generation on spot market prices in germany article in energy policy 368. Ministry of power, india merit merit order despatch of. Noninertia providing generators of the merit order are replaced with synchronous generators. Merit order rating mor merit order dispatch mod is used to optimize the cost of generation of power plants with multiple generating units, by ranking the units in order of their cost of production. There are two different dispatch methods available with pv analysis, scaling, atc analysis, and scaling injection groups as part of time step simulation that make use of generator economic mw limits and will connect generators as necessary to achieve a specified dispatch level.
Power plants with higher marginal costs are subsequently added until demand is met. The merit order stack is used to tackle a wide variety of problems involving electricity dispatch. Intermittent wind and solar is sometimes able to supply this economic function. Generator economic merit order and merit order close dispatch. Merit order despatch of electricity for rejuvenation of income and transparency power procurement on all india power position mw current demand met. A graphical illustration of the basic concept of merit order, as it relates to electricity supply, demand and fluctuations in price including the impact of renewables. National merit order list for electricity generation to. The purpose of the merit order was to enable the lowest net cost electricity to be dispatched first thus minimising overall electricity system costs to consumers. According to the merit order, power plants that continuously produce electricity at very low prices are the first to be called upon to supply power.