** Shares of solar company Sunrun RUN.O rise 2.7% to $17.81
** RUN announces a multi-year partnership with NRG Energy NRG.N to expand home battery storage in Texas
** RUN CEO Mary Powell says partnership shows company's "strength in delivering critical energy infrastructure" to boost grid resilience and affordability
** The collaboration aims to create a 1 GW virtual power plant by 2035, says NRG's Executive Vice President Brad Bentley
** Including session's moves, RUN up 92.5% YTD
(Reporting by Sumit Saha in Bengaluru)
((Sumit.Saha@thomsonreuters.com;))