NMPWP - Niagara Mohawk Power Corporation PFD 3.40% declares $0.85 dividend July, 23 2020 04:36 PM Niagara Moh Pwr 3.40 Pr Niagara Mohawk Power Corporation PFD 3.40% (OTC:NMPWP) declares $0.85/share quarterly dividend, in line with previous.Forward yield 4.18%Payable Sept. 30; for shareholders of record Sept. 16; ex-div Sept. 15.See NMPWP Dividend Scorecard, Yield Chart, & Dividend Growth.More news on: Niagara Mohawk Power Corporation PFD 3.40%, Dividend News,