Considering the effects of energy efficiency and energy consumption on electricity pricing
a multi-objective programming model is constructed and the maximal economic benefit and minimal environmental pollution are taken as the objective functions. Co-integration analysis is performed for modeling the consumer behavior
and cost-profit model is chosen to measure the producer behavior
which serve as the constraint conditions of the multi-objective programming model. The minimal environmental pollutant can be transferred into a constraint condition
the multi-objective programming model thus becomes a single objective one. Various electricity pricing strategies are selected from the neighborhood of current electricity pricing
and economic benefit is calculated by sub-models of constraint conditions. The strategy at the maximal economic benefit is the optimal solution. The optimal electricity prices in 2008
2009 and 2010 get to 569.72
580.19 and 598.14 yuan/(MW·h)
respectively
all higher than the current prices
so electricity price ought to be raised appropriately. It reveals that cutting down the limit of pollutant emission by 10%
the optimal price rises by 1.09%; increasing GDP growth rate by 1%
the optimal price ascends by 1.08%; and raising unit production cost by 1%
the optimal price goes up by 0.74%.
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references
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