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

Table 4

The constraints of the minimal price in short-term contracts (unit: yuan/kWh).

Types of contract	Short-term contract
Sources	Power purchased from the extraprovincial market	Power purchased from the intraprovincial market
		Hydropower	Thermal power	Wind power	Photovoltaic generation
Lowest price	0.43	0.23	0.32	0.3	0.3