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| | Variable | Full name | Explanation | Equation |
|
| | AWEG | Available wind energy generation (MWh) | The obtainable wind energy generation based on wind speed and system capacity of wind energy | 1 |
| | WS | Wind speed (m/h) | Data about wind speed and it is expressed as a Table function | (a) |
| | WEG | Wind energy generation (MWh) | Wind power generation accepted by the grid | 2 |
| | IWEP | Income of wind energy production (Yuan) | Depending on benchmark price of wind energy, wind energy generation, new incremental capacity, and system capacity | 3 |
| | CWEP | Cost of wind energy production (Yuan) | Including construction cost, incremental investment cost, and reserve cost | 4 |
| | CC | Construction cost (Yuan/MW) | Construction cost on wind power transmission and so on | 5 |
| | IIC | Incremental investment cost (Yuan/MW) | Investment cost on incremental capacity of wind power | 6 |
| Wind energy subsystem | RC | Reserve cost (Yuan/MW) | Reserve cost of system management for compensating for the volatility of wind energy | 7 |
| | PRWP | Profit rate of wind power (%) | Unit profits of wind power generation | 8 |
| | ICWP | Incremental capacity of wind power (MW) | Incremental capacity compared with that in the past | 9 |
| | IRWEC | Investment rate of wind energy capacity (MW) | Increased wind energy capacity in a period of time which is related to the profit rate of wind power, capacity investment plan, and portfolio goal | 10 |
| | CRWEC | Cancellation rate of wind energy capacity (MW) | The abandoned capacity of wind power in a period of time due to equipment maintenance and other reasons | 11 |
| | WPSC | Wind power system capacity (MW) | Depending on the investment rate and cancellation rate of wind energy capacity | 12 |
| | WEU | Wind energy utilization (%) | The proportion of wind energy generation to the total available wind energy generation | 13 |
| | BP | Benchmark price (Yuan/kWh) | The four kinds of wind power generation prices | (b) |
|
| | THG | Thermal power generation (MWh) | Difference between electricity demand and a total of wind power generation and hydropower generation | 14 |
| | ED | Electricity demand (MWh) | Electricity demand is expressed as a Table function | (c) |
| | HYG | Hydropower generation (MWh) | Relevant to the system capacity of hydropower and seasonal variation of water flow | 15 |
| | SVWF | Seasonal variation of water flow (m3) | The amount of water changes with the seasons and it is expressed as a Table function | (d) |
| Conventional energy subsystem | HYSC | Hydropower system capacity (MW) | Associated with the investment rate and cancellation rate of hydropower capacity | 16 |
| IRHYC | Investment rate of hydropower capacity (MW) | Increased hydropower capacity in a period of time and that has a relationship with system capacity and the capacity investment plan | 17 |
| | CRHYC | Cancellation rate of hydropower capacity (MW) | The abandoned capacity for some time due to equipment maintenance and other reasons | 18 |
| | THSC | Thermal power system capacity (MW) | Relative to the investment rate and cancellation rate of thermal power capacity | 19 |
| | IRTHC | Investment rate of thermal power capacity (MW) | Increased thermal power capacity for some time and that has a relationship with system capacity and the capacity investment plan | 20 |
| | CRTHC | Cancellation rate of thermal power capacity (MW) | The abandoned capacity in a period of time due to equipment maintenance and other reasons | 21 |
|
| | PG | Portfolio goal (%) | The goal of proportion of wind power generation to the total power generation | 22 |
| | CP | Calculated portfolio (%) | The actual proportion of wind power generation to the total power generation | 23 |
| | SEC | System equivalent capacity (MW) | Valid system capacity of wind power, thermal power, and hydropower | 24 |
| Policy adjusting subsystem | CG | Capacity gap (MW) | The difference between demand capacity and the system equivalent capacity | 25 |
| | CIP | Capacity investment plan (MW) | Related to capacity gap | 26 |
| | CD | Capacity demand (MW) | Demand on capacity which can be expressed as a Table function | (e) |
| | SRC | System regulation capability (%) | The ratio of wind power generation to hydropower generation which is used to adjust wind power | 27 |
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