Updates
** Shares of some solar companies rise after U.S. Treasury on Friday unveiled new federal tax subsidy rules for solar and wind projects
** SunRun RUN.O surges ~11%, seen as "biggest beneficiary" by Jefferies; First Solar FSLR.O jumps 6.9% to $213.46
** Enphase ENPH.O gains 4.4% and Complete Solaria SPWR.O up 5.4%
** Shares of Shoals Technologies SHLS.O up 6.6%, Array Technologies ARRY.O up ~8% and Nextracker NXT.O rises 8.3%
** Changes were "milder than what many in the wind and solar industries had feared" - Raymond James
** Jefferies says rules extend the runway on tax credits for most wind/solar developers through 2030
** Expects "very real relief rally" for solar equities after regulatory clarity
(Reporting by Vallari Srivastava in Bengaluru)
((Srivastava.Vallari@thomsonreuters.com;))