** Genesis Energy GNE.NZ shares climb up to 1.31% to NZ$2.320, marking their highest level since February 27
** Energy retailer's stock fifth‑biggest gainer on the benchmark NZ50 .NZ50, which is up 0.2%
** Co lifts FY26 normalised operating earnings forecast to NZ$515 million-NZ$545 million ($303.64 million-$321.33 million), from NZ$490 million-NZ$520 million
** Says upgrade reflects better hydrology and more supportive wholesale conditions, among other reasons
** Co also reports Q3 electricity sales of 1,380 gigawatt hour (GWh), down 94 GWh YOY, hurt by fewer customers and other reasons
** YTD, GNE down 1.9%, outperforming the NZ50's 4.3% decline
($1 = 1.6961 New Zealand dollars)
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))