“Windfall” nabbed the grand jury prize in the Viewfinders competish of the first Doc NYC festival, while Bronx-set docu “To Be Heard” picked up a pair of kudos.

Laura Israel’s “Windfall,” a look at the dark side of green energy, was chosen from a pool of eight pics in the Viewfinders section, which centers on films with distinct directorial voices.

“To Be Heard,” about Bronx teens involved in a poetry workshop, got the grand jury prize in the Metropolis section, focused on Gotham-set stories. The movie — directed by Roland Legiardi-Laura, Edwin Martinez, Deborah Shaffer and Amy Sultan — also scored the fest’s audience award.

Josef “Birdman” Astor’s “Lost Bohemia,” about the residential studios formerly located above Carnegie Hall, received a special jury prize in the Metropolis section.

Kudos were announced as part of the fest’s gala Sunday night, which included a screening of Errol Morris’ “Tabloid.”