Abstract: A method for evaluating theoretical potential of wind energy includes steps of: (1) selecting a target area for estimation of theoretical reserves of wind energy, and extracting a coordinate range of the target area; (2) presetting a spatial height of the target area d in step (1); (3) obtaining meteorological data of a wind speed and an air density of the target area in step (2); (4) according to the meteorological data obtained in step (3), calculating a theoretical wind reserves per unit area of the target area; (5) calculating an area size of the target area; (6) according to the meteorological data of the wind speed and the air density obtained in step (3), the spatial height of the target area obtained in step (2), and the area size of the target area obtained in step (5), calculating to obtain regional theoretical reserves of wind.

Abstract: A theoretical reserve evaluation method for ocean current energy includes steps of: 1) selecting a target region, and extracting a coordinate range of the target region; 2) obtaining a seabed water depth of the target region; 3) obtaining hydrological data of flow velocities and seawater densities of a target region space; 4) calculating a theoretical reserve of the ocean current energy per unit area of the target region according to the hydrological data, 5) calculating an area of the target region; and 6) calculating the theoretical reserves of the ocean current energy within a spatial range of the target region according to the hydrological data of the flow velocities and the seawater densities obtained in the step 3), the seabed water depth of the target region obtained in the step 2), and the area of the target region obtained in the step 5).