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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Text block1 [abstract]

Schedule of Property, Plant and Equipment


		2017												2016
		Historical cost				Accumulated depreciation				Net value				Historical cost				Accumulated depreciation				Net value
In service
Land			225				(14	)			211				287				(8	)			279
Reservoirs, dams and watercourses			3,285				(2,051	)			1,234				5,347				(3,586	)			1,761
Buildings, works and improvements			1,117				(786	)			331				1,789				(1,371	)			418
Machinery and equipment			2,936				(2,062	)			874				4,519				(3,347	)			1,172
Vehicles			29				(26	)			3				29				(25	)			4
Furniture and utensils			16				(13	)			3				15				(12	)			3

			7,608				(4,952	)			2,656				11,986				(8,349	)			3,637
In progress			106				—				106				138				—				138

Net property, plant and equipment			7,714				(4,952	)			2,762				12,124				(8,349	)			3,775

Movement in Property, Plant and Equipment

This table shows the changes in PP&E:


		2016				Addition				Jaguara, Miranda and Volta Grande Plants (1)				Disposals				Depreciation				Transfers / capitalizations				2017
In service
Land			279				—				(61	)			(1	)			(6	)			—				211
Reservoirs, dams and watercourses			1,761				—				(441	)			(4	)			(85	)			3				1,234
Buildings, works and improvements			418				—				(69	)			—				(20	)			2				331
Machinery and equipment			1,172				—				(305	)			(5	)			(93	)			105				874
Vehicles			4				—				—				—				(1	)			—				3
Furniture and utensils			3				—				—				—				—				—				3

			3,637				—				(876	)			(10	)			(205	)			110				2,656
In progress			138				83								(17	)			—				(98	)			106

Net property, plant and equipment			3,775				83				(876	)			(27	)			(205	)			12				2,762

(1)	Transferred to Concession financial assets , in relation to the Jaguara, Miranda and Volta Grande Plants (more details in Note 15).


		2015				Addition				Disposals				Depreciation				Transfers / capitalizations				2016
In service
Land			279				—				—				—				—				279
Reservoirs, dams and watercourses			1,830				—				—				(99	)			30				1,761
Buildings, works and improvements			437				—				(1	)			(23	)			5				418
Machinery and equipment			1,192				—				(42	)			(110	)			132				1,172
Vehicles			8				—				—				(2	)			(2	)			4
Furniture and utensils			4				—				—				—				(1	)			3

			3,750				—				(43	)			(234	)			164				3,637
In progress			190				120				(13	)			—				(159	)			138

Net property, plant and equipment			3,940				120				(56	)			(234	)			5				3,775


		2014				Additions				Disposals				Transfer of assets to Aliança Geração de Energia				Indemnity receivable				Depreciation				Transfers to Other long term assets				Transfers / capitalizations				2015
In service
Land			372				—				(12	)			(41	)			(16	)			(3	)			(17	)			(4	)			279
Reservoirs, dams and water courses			2,261				—				—				(163	)			(46	)			(127	)			(102	)			7				1,830
Buildings, works and improvements			609				—				(1	)			(116	)			(17	)			(32	)			(13	)			7				437
Machinery and equipment			2,053				—				(3	)			(308	)			(466	)			(149	)			(69	)			134				1,192
Vehicles			9				—				—				—				—				(3	)			—				2				8
Furniture and utensils			5				—				—				—				—				—				—				(1	)			4

			5,309				—				(16	)			(628	)			(545	)			(314	)			(201	)			145				3,750
In progress			235				126				(4	)			(3	)			(1	)			(1	)			(22	)			(140	)			190

Net PP&E			5,544				126				(20	)			(631	)			(546	)			(315	)			(223	)			5				3,940

Summary of Accumulated Investments in Consortium


		Interest in power output, %				Average annual depreciation rate %				2017				2016
In service
Queimado plant			82.50				4.0				217				217
Accumulated depreciation			—				—				(91	)			(90	)

Total in operation											126				127