The Islanders ranked 30th (15.8 percent) on the power play last season and were 1-for-18 with one short-handed goal against in the Eastern Conference First Round, a six-game loss to the Carolina Hurricanes. The bar is high for defenseman Noah Dobson, who tied Barzal for the team lead with 19 power-play points (five goals, 14 assists), and there will be opportunities for others. One is Oliver Wahlstrom, a 23-year-old forward who has recovered from a knee injury that ended his season Dec. 27. Wahlstrom signed a one-year contract July 17, and this could be a make-or-break season for the No. 11 pick in the 2018 NHL Draft. He has 61 points (32 goals, 29 assists) in 161 regular-season games, including 19 (10 goals, nine assists) on the power play.