Appendix 4 Additional Information on Financial Debt (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Financial Liabilities [Line Items]

Summary of Bank Loans by Currency and Maturity

17.2

Bank loans by currency and contractual maturity as of December 31, 2017 and 2016 are as follows:

Summary of bank loans by currency and contractual maturity

					Balance as of 12-31-2017			Balance as of 12-31-2016
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total Current	One to three months	Three to twelve months	Total Current
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	CH$	6.00%	6.00%	No	109	-	109	4,172	-	4,172
Total					109	-	109	4,172	-	4,172

Summary of Unsecured Liabilities by Currency and Maturity

17.3

Unsecured liabilities

The detail of unsecured liabilities by currency and maturity as of December 31, 2017 and 2016 is as follows:

					Balance as of 12-31-2017
					Current			Non-current
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	US$	6.99%	6.90%	No	6,322,081	2,206,269	8,528,350	-	-	-	-	430,228,859	430,228,859
Chile	UF	6.00%	5.48%	No	-	6,927,432	6,927,432	5,574,013	5,574,013	5,574,013	5,574,013	295,598,892	317,894,944
				Total	6,322,081	9,133,701	15,455,782	5,574,013	5,574,013	5,574,013	5,574,013	725,827,751	748,123,803

					Balance as of 12-31-2016
					Current			Non-current
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	US$	6.99%	6.90%	No	6,884,819	2,402,653	9,287,472	-	-	-	-	468,578,474	468,578,474
Chile	UF	6.00%	5.48%	No	-	6,881,001	6,881,001	5,480,380	5,480,380	5,480,380	5,480,380	295,637,694	317,559,214
				Total	6,884,819	9,283,654	16,168,473	5,480,380	5,480,380	5,480,380	5,480,380	764,216,168	786,137,688

Summary of Secured and Unsecured Liabilities by Company

Secured and Unsecured Liabilities by Company

										Balance as of 12-31-2017
										Current			Non-current
							Effective	Nominal	Secured				One to	Two to	Three to
Taxpayer ID	Company	Country	Taxpayer ID	Company	Country	Currency	Interest	Interest	(Yes	Less than	More than	Total	two	three	four	Four to	More than	Total
No.			No.				Rate	Rate	/ No)	90 days	90 days		years	years	years	five years	five years
										ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-1	US	US$	7.96%	7.88%	No	4,152,926	-	4,152,926	-	-	-	-	125,566,611	125,566,611
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-2	US	US$	7.40%	7.33%	No	1,328,023	-	1,328,023	-	-	-	-	42,902,198	42,902,198
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-3	US	US$	8.26%	8.13%	No	841,132	-	841,132	-	-	-	-	19,398,499	19,398,499
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon 24296	US	US$	4.32%	4.25%	No	-	2,206,269	2,206,269	-	-	-	-	242,361,551	242,361,551
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 317-H	Chile	U.F.	7.17%	6.20%	No	-	6,374,051	6,374,051	5,574,013	5,574,013	5,574,013	5,574,013	30,872,536	53,168,588
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 522-M	Chile	U.F.	4.82%	4.75%	No	-	553,381	553,381	-	-	-	-	264,726,356	264,726,356
				Total						6,322,081	9,133,701	15,455,782	5,574,013	5,574,013	5,574,013	5,574,013	725,827,751	748,123,803

										Balance as of 12-31-2016
										Current			Non-current
							Effective	Nominal	Secured				One to	Two to	Three to
Taxpayer ID	Company	Country	Taxpayer ID	Company	Country	Currency	Interest	Interest	(Yes	Less than	More than	Total	two	three	four	Four to	More than	Total
No.			No.				Rate	Rate	/ No)	90 days	90 days		years	years	years	five years	five years
										ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-1	US	US$	7.96%	7.88%	No	4,522,585	-	4,522,585	-	-	-	-	136,759,395	136,759,395
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-2	US	US$	7.40%	7.33%	No	1,446,232	-	1,446,232	-	-	-	-	46,792,429	46,792,429
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-3	US	US$	8.26%	8.13%	No	916,002	-	916,002	-	-	-	-	21,608,757	21,608,757
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon 24296	US	US$	4.32%	4.25%	No	-	2,402,653	2,402,653	-	-	-	-	263,417,893	263,417,893
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 317-H	Chile	U.F.	7.17%	6.20%	No	-	6,337,021	6,337,021	5,480,380	5,480,380	5,480,380	5,480,380	35,587,764	57,509,284
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 522-M	Chile	U.F.	4.82%	4.75%	No	-	543,980	543,980	-	-	-	-	260,049,930	260,049,930
				Total						6,884,819	9,283,654	16,168,473	5,480,380	5,480,380	5,480,380	5,480,380	764,216,168	786,137,688

Summary of Detail of Finance Lease Obligations

Detail of Finance Lease Obligations

Balance as of December 31, 2017

Current

Non-current

Nominal

Less

One to

Two to

Three to

Taxpayer ID

Company

Country

Taxpayer ID

Name

Country

Currency

Interest

than

More than

Total

two

three

four

Four to

More than

Total

No.

Rate

90 days

years

five years

ThCh$

91.081.000-6

Enel Generación Chile S.A.

Chile

76.555.400-4

Transelec S.A

Chile

US$

6.50%

439,377

1,360,411

1,799,788

2,459,000

1,916,774

2,041,364

2,174,053

4,217,935

12,809,126

Total

1,799,788

12,809,126

Balance as of December 31, 2016

Current

Non-current

Nominal

Less

One to

Two to

Three to

Taxpayer ID

Company

Country

Taxpayer ID

Name

Country

Currency

Interest

than

More than

Total

two

three

four

Four to

More than

Total

No.

Rate

90 days

years

five years

ThCh$

91.081.000-6

Enel Generación Chile S.A.

Chile

76.555.400-4

Transelec S.A

Chile

US$

6.50%

449,283

1,391,084

1,840,367

2,677,880

1,959,990

2,087,390

6,506,140

15,909,280

Total

1,840,367

15,909,280

Undiscounted Cash Flow [Member]

Disclosure Of Financial Liabilities [Line Items]

Summary of Bank Loans by Currency and Maturity

Summary of bank borrowing by currency and maturity

					Balance as of 12-31-2017			Balance as of 12-31-2016
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total Current	One to three months	Three to twelve months	Total Current
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	CH$	6.00%	6.00%	No	109	-	109	4,181	-	4,181
Total					109	-	109	4,181	-	4,181

Summary of Identification of Bank Borrowings by Company

Identification of bank borrowings by company

Balance as of 12-31-2017

Balance as of 12-31-2016

Taxpayer

ID No.

Company

Country

Taxpayer

ID No.

Financial Institution

Country

Currency

Effective

Interest

Rate

Nominal

Interest

Rate

Interest payment

Less than

90 days

Total

Current

Less than

90 days

Total

Current

ThCh$

91.081.000-6

Enel Generación Chile S.A.

Chile

97.006.000-6

Banco de Crédito e Inversiones

Chile

Ch$

6.00%

At maturity

2,048

91.081.000-6

Enel Generación Chile S.A.

Chile

97.036.000-k

Banco Santander

Chile

Ch$

6.00%

At maturity

2,133

Total ThCh$

109

4,181

Summary of Unsecured Liabilities by Currency and Maturity

Summary of secured and unsecured liabilities by currency and maturity

					Balance as of 12-31-2017
					Current			Non-current
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	US$	6.00%	6.90%	No	6,697,979	20,093,935	26,791,914	26,791,913	26,791,913	26,791,913	26,791,913	568,727,913	675,895,565
Chile	UF	6.00%	5.48%	No	5,775,038	22,689,438	28,464,476	51,927,014	49,837,566	47,748,117	45,658,669	256,892,562	452,063,928
				Total	12,473,017	42,783,373	55,256,390	78,718,927	76,629,479	74,540,030	72,450,582	825,620,475	1,127,959,493

					Balance as of 12-31-2016
					Current			Non-current
Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/No)	One to three months	Three to twelve months	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
					ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
Chile	US$	6.99%	6.90%	No	7,264,786	21,794,359	29,059,145	29,059,146	29,059,146	29,059,146	29,059,146	641,348,382	757,584,966
Chile	UF	6.00%	5.48%	No	6,466,160	24,665,200	31,131,360	30,632,431	53,611,843	51,316,337	49,020,830	305,390,728	489,972,169
				Total	13,730,946	46,459,559	60,190,505	59,691,577	82,670,989	80,375,483	78,079,976	946,739,110	1,247,557,135

Summary of Secured and Unsecured Liabilities by Company

Secured and unsecured liabilities by company

									Balance as of 12-31-2017
									Current			Non-current
Taxpayer ID No.	Company	Country	Taxpayer ID No.	Company	Country	Currency	Nominal Interest Rate	Secured (Yes/ No)	Less than 90 days	More than 90 days	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
									ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-1	US	US$	7.88%	No	2,612,406	7,837,217	10,449,623	10,449,623	10,449,623	10,449,623	10,449,623	170,108,928	211,907,420
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-2	US	US$	7.33%	No	833,743	2,501,229	3,334,972	3,334,972	3,334,972	3,334,972	3,334,972	86,312,007	99,651,895
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-3	US	US$	8.13%	No	530,161	1,590,483	2,120,644	2,120,644	2,120,644	2,120,644	2,120,644	51,884,633	60,367,209
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon 24296	US	US$	4.25%	No	2,721,669	8,165,006	10,886,675	10,886,674	10,886,674	10,886,674	10,886,674	260,422,345	303,969,041
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 317-H	Chile	U.F.	6.20%	No	1,414,018	9,606,378	11,020,396	10,516,773	10,013,150	9,509,527	9,005,904	44,726,323	83,771,677
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 522-M	Chile	U.F.	4.75%	No	4,361,020	13,083,060	17,444,080	41,410,241	39,824,416	38,238,590	36,652,765	212,166,239	368,292,251
				Total					12,473,017	42,783,373	55,256,390	78,718,927	76,629,479	74,540,030	72,450,582	825,620,475	1,127,959,493

										Balance as of 12-31-2016
										Current			Non-current
Taxpayer ID No.	Company	Country	Taxpayer ID No.	Company	Country	Currency	Effective Interest Rate	Nominal Interest Rate	Secured (Yes/ No)	Less than 90 days	More than 90 days	Total	One to two years	Two to three years	Three to four years	Four to five years	More than five years	Total
										ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$	ThCh$
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-1	US	US$	7.96%	7.88%	No	2,832,647	8,497,942	11,330,589	11,330,590	11,330,590	11,330,590	11,330,590	196,227,387	241,549,747
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-2	US	US$	7.40%	7.33%	No	903,234	2,709,703	3,612,937	3,612,937	3,612,937	3,612,937	3,612,937	93,701,216	108,152,964
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon S-3	US	US$	8.26%	8.13%	No	574,765	1,724,294	2,299,059	2,299,059	2,299,059	2,299,059	2,299,059	56,341,806	65,538,042
91.081.000-6	Enel Generación Chile S.A.	Chile	Foreign	BNY Mellon 24296	US	US$	4.32%	4.25%	No	2,954,140	8,862,420	11,816,560	11,816,560	11,816,560	11,816,560	11,816,560	295,077,973	342,344,213
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 317-H	Chile	U.F.	7.17%	6.20%	No	1,525,571	9,843,433	11,369,004	10,870,075	10,371,146	9,872,218	9,373,289	52,887,199	93,373,927
91.081.000-6	Enel Generación Chile S.A.	Chile	97.036.000-k	Banco Santander 522-M	Chile	U.F.	4.82%	4.75%	No	4,940,589	14,821,767	19,762,356	19,762,356	43,240,697	41,444,119	39,647,541	252,503,529	396,598,242
				Total						13,730,946	46,459,559	60,190,505	59,691,577	82,670,989	80,375,483	78,079,976	946,739,110	1,247,557,135

Summary of Detail of Finance Lease Obligations

Finance lease obligations by company

Balance as of December 31, 2017

Current

Non-current

Taxpayer ID No.

Company

Country

Taxpayer ID

No.

Name

Country

Currency

Nominal

Interest

Rate

Less than

90 days

More than

90 days

Total

One to

two

years

Two to

three

years

Three to

four

years

Four to

five years

More than

five years

Total

ThCh$

91.081.000-6

Enel Generación Chile S.A.

Chile

76.555.400-4

Transelec S.A

Chile

US$

6.50%

685,232

2,052,448

2,737,680

2,728,693

2,719,123

2,708,931

2,698,076

4,473,883

15,328,706

Total

685,232

2,052,448

2,737,680

2,728,693

2,719,123

2,708,931

2,698,076

4,473,883

15,328,706

Balance as of December 31, 2016

Current

Non-current

Taxpayer ID No.

Company

Country

Taxpayer ID

No.

Name

Country

Currency

Nominal

Interest

Rate

Less than

90 days

More than

90 days

Total

One to

two

years

Two to

three

years

Three to

four

years

Four to

five years

More than

five years

Total

ThCh$

91.081.000-6

Enel Generación Chile S.A.

Chile

76.555.400-4

Transelec S.A

Chile

US$

6.50%

734,006

2,200,827

2,934,833

2,931,533

2,928,019

2,924,276

2,920,289

7,777,314

19,481,431

Total

734,006

2,200,827

2,934,833

2,931,533

2,928,019

2,924,276

2,920,289

7,777,314

19,481,431