NOVELTY - Generating synthetic natural gas involves utilizing wind and solar power generation system to obtain renewable wind energy and solar energy and converting into electricity. The electric energy is utilized for carrying out electrolysis of water to obtain oxygen and hydrogen. The another part electric energy and obtained oxygen are utilized for carrying out pyrolysis and gasification to obtain biomass and organic waste. The gaseous product is isolated and cooled to obtain combustible gas and liquid. The combustible gas and liquid are subjected to water electrolysis.    USE - Method for generating synthetic natural gas (claimed).    ADVANTAGE - The method enables to generate synthetic natural gas that ensures comprehensive utilization of solar energy, wind and biomass sustainable energy supply system, is easy to store and has good quality.    DETAILED DESCRIPTION - Generating synthetic natural gas involves utilizing wind and solar power generation system to obtain renewable wind energy and solar energy and converting into electricity. The electric energy is utilized for carrying out electrolysis of water to obtain oxygen and hydrogen. The another part electric energy and obtained oxygen are utilized for carrying out pyrolysis and gasification to obtain biomass and organic waste. The gaseous product is isolated and cooled to obtain combustible gas and liquid. The combustible gas and liquid are subjected to water electrolysis and catalytic methanation is carried out to obtain product. The product is isolated and directly compressed into natural gas. An INDEPENDENT CLAIM is included for a wind and solar power generation device, which comprises wind power generation system, solar photo-voltaic power generation system, wind and solar controller, pyrolysis reactor, electric heating system, electrolyzed water system, screw conveyor device, biomass feed hopper, motor, toner collection box, cyclone, cooling separation system, purification system, catalytic system, oil separation system, wood tar storage tank and wood vinegar liquid storage tank.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a wind and solar power generation device.    Wind power generation system (1)    Solar photovoltaic power generation system (2)    Wind and solar controller (3)    Pyrolysis reactor (4)    Electric heating system (5)