1. The defendant shall be the plaintiff.

A. It is installed in the underground transmission equipment of the Dobongcheon-dong, Seoul Special Metropolitan City 870-1.

1. Basic facts

A. On April 6, 2011, the Defendant changed the supply and demand point of the underground power station (the place where electricity is received) of the subway 2 line transformation station operated by the Defendant to the consumers via power transmission lines or power distribution lines, using the underground power station (all structures, including ductss, Manle, power equipment, and ducts for the installation of cables and auxiliary materials) owned by the Plaintiff, from the underground power station owned by the Plaintiff. The Defendant changed the supply and demand point of the supply and demand point of the subway 2 line transformation station (the place where electricity is received to change the nature of voltage or electricity) from the underground power station to the enclosed transformation station.

B. On June 1, 2011, the Plaintiff deposited the instant facility charges of KRW 67,545,760, and KRW 2,585,570 (hereinafter “instant facility charges”) in the passbook without passbook in total, and KRW 70,131,330,00 (hereinafter “the instant facility charges”) from June 1, 201 to May 2061, the Plaintiff paid the Defendant the deposit amount of KRW 46,818,860 (hereinafter “the instant deposit”) for the guarantee period of 50 years from June 201 to May 2061 at the time of concluding a lease agreement as a principle, and ③ the civil facility management fees for the leased electrical facilities (hereinafter “the instant management fees”) for the electric power plant under the lease contract in the electric power area (hereinafter “the instant management fees”) shall be paid in a lump sum on December 1, 201, and the payment of the charges after the payment of the charges may be made in accordance with the agreement on the supply and demand of electricity.

C. On June 23, 2011, the Defendant paid KRW 70,131,330 to the Plaintiff the instant facility charges.

On or before July 21, 2011, the Plaintiff paid the instant management fee by the end of January 201, and the instant deposit was sent to the Defendant the letter of “the first lease agreement for the power plant of the underground transmission (hereinafter “the first lease agreement”) which includes the contents that substitute for the performance guarantee insurance policy.