** Shares of Mercury NZ MCY.NZ fall 3.2% to NZ$6.145

** Stock fell as much as 3.8% to NZ$6.11 earlier in the session, its lowest level since Jan 29

** The renewable electricity provider logs net loss after tax NZ$67 million ($38.41 million) for HY2025 vs profit NZ$174 million last year

** Attributes loss to low hydro inflows contributing to reduced generation

** More than 2.9 mln shares change hands, 7 times the 30-day avg

** Stock up 4.4% YTD, including current session's moves

($1 = 1.7443 New Zealand dollars)

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))