In the research of electricity price uncertainty, the probability density function (PDF) of system marginal price (SMP) in the day-ahead spot market is one of focused and unsolved problems.

• 该文针对系统边际价格的概率分布模型问题，展开实证分析，验证了系统边际价格概率分布的超高斯性，并提出了适合的电价超高斯型概率分布模型。