** Shares of U.S. utilities rise, tracking Wall Street gains on interest-rate cut hopes
** Wall Street's main indexes climbed more than 1% after U.S. Federal Reserve Chair Jerome Powell pointed to a possible interest-rate cut at the central bank's next policy meeting during his speech at the Jackson Hole Symposium
** Lower interest rates reduce borrowing costs for utilities, which usually need more capital for expenses such as maintaining the electric grid
** Vistra Corp VST.N up ~2%, Eversource Energy ES.N rises 1%, and Edison International EIX.N gains 1.7%
** NextEra Energy NEE.N up marginally, Sempra SRE.N gains 1.7% and Dominion Energy D.N rises ~1%
(Reporting by Sumit Saha in Bengaluru)
((Sumit.Saha@thomsonreuters.com;))