The three fellows will partner with producing theatres across the country.
The grants have awarded funds to eight new musical theatre projects.
The third cohort of playwrights increased in size by 50 percent to offer support to more out-of-work writers.
The season will feature readings of works by Majkin Holmquist, Jessica Huang, and Keelay Gipson.
Four organizations will support Huang for a year-long residency of intensives and retreats.
The selected playwrights have been commissioned to write plays about science.
Seven writers will receive support and mentorship for creating new work.