essential for the invention fig1 shows a shovel according to an embodiment of the present invention in the shovel an upper turning body 3 is mounted on an upper portion of a lower traveling body 1 through a rotation mechanism 2 the upper turning body 3 is provided with an engine compartment 3 a a boom 4 an arm 5 a bucket 6 and a cabin 10 and the like the arm 5 is attached to the tip of the boom 4 and the bucket 6 is attached to the tip of the arm 5 the boom 4 the arm 5 and the bucket 6 are respectively hydraulically driven by a boom cylinder 7 an arm cylinder 8 and a bucket cylinder 9 in the cabin 10 an operating device 26 refer to fig2 which is operated by a driver and the like are disposed further in the engine compartment 3 a a power source such as an engine is mounted in addition as the shovel according to this embodiment a so called hybrid shovel having a power storage device which stores electric power which is supplied to a turning drive device is given as an example however the present invention can also be applied to for example an electrically driven shovel to which charging power.