The Power Purchase Optimization Model in China considering the Renewable Energy Risks under Different Risk Preferences

Table 3

The power quantity constraints of the grid company (unit:  100 GWh).

Type	Value	Power purchased from the extraprovincial market	Power purchased from the intraprovincial market
			Hydropower	Thermal power	Wind power	Photovoltaic generation
Long-term contract	The most probable value	0.3047	0.22	0.32	0.31	0.31
	The minimal value	0.3047	0.22	0.32	0.31	0.31
	The maximal value	0.3047	0.22	0.32	0.31	0.31
Short-term contract	The most probable value	0.45	0.2443	0.3329	0.3249	0.3249
	The minimal value	0.448	0.2393	0.3279	0.3229	0.3229
	The maximal value	0.452	0.2493	0.3379	0.3269	0.3269