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Commitments for Expenditure (Tables)

12 Months Ended

Dec. 31, 2018

Commitments for Expenditure [Abstract]

Commitments for acquisition of property, plant and equipment

The commitments for acquisition of property, plant and equipment as of December 31, 2017 and 2018 are as follows:


		2017				2018
Contracts		Amounts		Balance		Amounts		Balance
		In millions of won
Purchase of switch (25.8kV Eco) 12,450	￦		50,526		35,494		50,526		—
Purchase of cable (PVC,1C,2000SQ) 153,000M and others (Shin-Bupyung-Youngseo)			50,256		42,857		56,183		37,309
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shintangjung)			42,500		29,987		44,315		31,801
Purchase of GIS (362KV 6300A 63KA) 23CB – YoungseoS/S			34,500		34,500		34,500		34,500
Purchase of GIS (362KV 6300A 63KA) 27CB – KwangyangS/S			37,476		18,044		37,694		10,491
Purchase of GIS (800KV 8000A 50KA) 10CB – Shin-JungbuS/S			63,730		44,955		63,730		—
Purchase of transformer (765/345/23kV 666.7MVA, 2TANK) 6 units – Shin-JungbuS/S			37,500		37,500		37,500		—
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 4,645,000M			78,076		76,762		78,076		—
Purchase of Concrete Poles (10M, 350KGF) 121,900 and 6 others			133,387		112,981		133,387		13,343
Advanced E-Type low voltage electricity meter 1,600,000 units			65,408		64,592		65,408		—
Purchase of Ground Switch (44-D-A125, 600AX4) and 1 other 4,016 units			56,482		55,990		56,482		—
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 3,504,000M			—		—		66,240		38,998
Purchase of cable (FR CNCO-W,1C,325SQ) 1,400,000			—		—		57,475		48,598
Purchase of switch (Eco) 9,360 units			—		—		40,631		34,797
Construction of Shin-Kori units (#3,4)			7,363,514		93,637		7,363,514		3,211
Construction of Shin-Kori units (#5,6)			8,625,387		6,757,146		8,625,387		5,930,099
Construction of Shin-Hanul units (#1,2)			7,982,342		1,015,813		7,982,342		355,704
Construction of Shin-Hanul units (#3,4)(*)			8,261,818		8,097,056		—		—
Other 26 contracts			262,400		114,041		269,681		161,243
Purchase of main machine for construction of Seoul Combined units (#1,2)			361,203		99,031		365,164		51,165
Construction of Seoul Combined units (#1,2)			227,685		60,568		285,890		27,125
Purchase of smoke eliminating machine for construction of Shin-Boryeong units (#1,2)			169,544		36,417		172,609		13,986
Service of designing Shin-Boryeong units (#1,2)			127,810		16,371		120,199		1,076
Purchase of main machine for construction of Shin-Boryeong units (#1,2)			866,065		4,981		866,065		4,981
Construction of Shin-Boryeong units (#1,2)			316,190		23,100		309,466		—
Purchase of furnace for construction of Shin-Seocheon thermal power plant			302,030		222,555		305,209		74,631
Purchase of turbine generator for construction of Shin-Seocheon thermal power plant			104,402		83,522		104,402		57,968
Electricity construction of Shin-Seocheon thermal power plant			200,453		196,993		217,848		174,122
Purchase of main machine for Jeju LNG combined			166,287		15,409		166,287		11,272
Purchase of coal handling machine for construction of Taean (#9,10) and IGCC units (conditional contract for installation)			193,375		5,129		205,764		282
Purchase of furnace for construction of Taean units (#9,10)			566,945		33,817		556,504		18,502
Service of designing Taean units (#9,10)			111,322		13,671		112,344		13,338
Purchase of turbine generator for construction of Taean units (#9,10)			205,267		550		214,462		10,422
Purchase of oxygen plant for construction of Taean IGCC units			94,564		199		96,068		1,552
Service of designing Taean IGCC plant units			44,802		2,669		46,001		3,161
Purchase of furnace for construction of Samcheok units (#1,2)			1,082,641		5,963		1,092,287		12,215
Purchase of coal handling machine for construction of Samcheok units (#1,2)			304,924		52,362		307,925		48,736
Service of designing Samcheok units (#1,2)			114,047		4,745		103,679		—
Purchase of turbine main equipment for Samcheok units (#1,2)			215,333		874		212,188		348
Purchase of main equipment for Namjeju			—		—		146,594		134,949

(*)	The Company recognized impairment loss in relation to Shin-Hanul unit 3 and 4, and there are no legally binding commitments for expenditure as of December 31, 2018.

Commitments for inventory purchase

Contract periods for ore concentrates, conversion, enrichment and design and fabrication are as follows:


Type	Periods		Contracted quantity
Concentrate		2018 ~ 2030		48,162 Ton U3O8
Transformed		2018 ~ 2030		23,484 Ton U
Enrichment		2018 ~ 2030		25,530 Ton SWU
Molded		2018 ~ 2022		520 Ton U