** Shares of solar companies decline between 2% and 6%

** Trump administration is expected to make it harder for companies to claim federal tax subsidies for renewable energy

** SunRun RUN.O down ~2%, SolarEdge Technologies SEDG.O falls 4.2% and Enphase Energy ENPH.O declines 6.4%

** First Solar FSLR.O and ARRAY Technologies ARRY.O down 2.6% and 2.8%, respectively

** The Treasury Department next week will reach a 45-day deadline to revise rules governing who can qualify for clean energy tax credits that the Republicans' One Big Beautiful Bill Act is phasing out years earlier than planned

(Reporting by Sumit Saha in Bengaluru)

((Sumit.Saha@thomsonreuters.com;))