Planning of Electric Power Systems Considering Virtual Power Plants with Dispatchable Loads Included: An Inexact Two-Stage Stochastic Linear Programming Model

Table 2

Cost for power generation.

	Period 1	Period 2	Period 3
Cost for purchasing fossil fuels (10^3$/TJ)
Coal	0.32,0.38	0.30,0.36	0.28,0.34
Natural gas	0.35,0.42	0.33,0.40	0.31,0.38
Variable cost for power generation (10^3$/GWh)
Coal	1.62, 1.87	1.54,1.78	1.46,1.69
Natural gas	2.19,2.52	2.08,2.39	1.98,2.27
Solar	4.90,5.10	4.66,4.84	4.42,4.60
Wind	8.64,9.19	8.21,8.68	7.8,8.19
Hydro	6.58,7.80	6.25,7.41	5.94,7.03