** Genesis Energy GNE.NZ rises 1.8% to NZ$2.31, highest since December 27, 2024
** Earlier in the day, stock jumped as much as 2.2% to post biggest intraday pct gain since February 5
** Diversified energy co and its Kiwi peers Mercury NZ MCY.NZ, Meridian Energy MEL.NZ, and Contact Energy CEN.NZ exploring ways to bolster energy security for winters
** Says all four power cos have an agreement to probe Huntly Power Station's potential to manage "dry-year risk" and improve long-term system security
** Adds new commercial structure, which includes pricing, cost and strategic fuel reserve to cover disruptions to other fuel supplies, could be operational by 2026
** Stock fell 2.7% in January
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))