** Shares of utility company Exelon EXC.O up 1.4% at $46.85 premarket

** Co posts Q3 adjusted operating earnings of 86 cents per share, vs analysts' estimate of 78 cents per share, according to LSEG data

** Q3 performance was helped by higher regulated rates and lower storm recovery costs

** Reports overall revenue of $6.71 billion for the reported quarter, compared with $6.15 billion a year ago

** Earnings at its PECO unit more than doubled to $250 million during the reported quarter

** Up to last close, stock up 22.7% YTD

(Reporting by Pranav Mathur in Bengaluru)

((Pranav.Mathur@thomsonreuters.com;))