BRIEF-Guodian Changyuan Electric Power's preliminary 2016 down 58 pct, Q1 power output up

April 6 (Reuters) - Guodian Changyuan Electric Power Co Ltd

* Says preliminary 2016 net profit down 58.1 percent y/y at

398.8 million yuan ($57.81 million)

* Says Q1 on-grid power generation up 9.4 percent y/y at 4.1

billion kWh

Source text in Chinese: http://bit.ly/2p4nSmZ;

http://bit.ly/2p4svNS

Further company coverage:

($1 = 6.8990 Chinese yuan renminbi)

(Reporting by Hong Kong newsroom)