SINGAPORE, April 9, 2018 /PRNewswire/ — Kenon Holdings Ltd. (NYSE: KEN; TASE: KEN) (“Kenon”) has filed its Annual Report on Form 20-F for the Year Ended December 31, 2017 (the “2017 Annual Report”) with the U.S. Securities and Exchange Commission (the “SEC”) on April 9, 2018….