A storage energy generation method utilizing natural energy and generation system thereof are disclosed. It firstly generates electricity through natural energy such as wind power or solar energy and then compresses air, or directly compresses air, then ge...

A steam turbine 10 of an embodiment includes: a nozzle box 30 having a circular ring-shaped steam passage 27 into which steam is led from a steam inlet pipe and having, on a downstream portion of the steam passage 27, a plurality of first-stage nozzles 24a...