<-bsp-bb-link state="{"bbHref":"bbg://securities/NOVA%20US%20Equity/GP","_id":"0000018c-4b72-d5be-a5ef-db7bd6a20000","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">Sunnova Energy International Inc.-bsp-bb-link> shares plunged after US Republican lawmakers sought an inquiry from the <-bsp-bb-link state="{"bbHref":"bbg://securities/4131721Z%20US%20Equity","_id":"0000018c-4b72-d5be-a5ef-db7bd6a20001","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">Department of Energy-bsp-bb-link> about the solar company’s $3 billion partial loan guarantee.