Performance Analysis in Production Systems with Uncertain Data: A Stochastic Data Envelopment Analysis Approach

Table 2

Input and output variables.

Input variables	Output variables
(1) Fuel consumption in terms of million liters	(1) Sending energy to neighboring and overseas power companies at the transmission voltage level
(2) Nominal power
(3) Length of transmission lines
(4) Capacity of transfer posts
(5) The length of the above distribution lines	(2) Selling energy to electricity distribution companies and industrial companies and the above distribution voltage level
(6) Capacity of the above distribution posts