Inaugurated in 1986, HPP prompted the submission of over a thousand manuscripts, of which more than 50 received workshops and more than half went on to full productions at SCR and other resident theatres. Participating playwrights have included Luis Alfaro, Cusi Cram, Nilo Cruz, Jorge González, Lisa Loomer, Josefina López, Eduardo Machado, Oliver Mayer, Cherrie Moraga, José Rivera, Edwin Sanchez, Milcha Sanchez-Scott, Luis Santeiro, Bernardo Solano, Octavio Solis, Caridad Svich and Edit Villarreal.
*denotes play went on to production at SCR or elsewhere.
1986 Once Removed by Eduardo Machado* Charley Bacon and His Family by Arthur Giron* Birds by Lisa Loomer*
1987 The Promise by Jose Rivera* Passion by Ana Maria Simo Blacklight by Estela Portillo Trambley* The Death and Life of Luis Rodriguez by Bernardo Solano Middle Gray by Sam Garcia The Judas Goat by Alfred Lopez
1988 Bang Bang Blues by Charles Gomez* Parting Gestures by Rafael Lima* (previously titled 'Every Thing in it's Place') Broken Bough by Lynette Serrano-Bonaparte* Imagenes by Bernardo Solano Simply Maria by Josefina Lopez* The Immaculate Salvation Auto Body Parts Store by Rafael Melendez
1989 My Visits with MGM (My Grandmother Marta) by Edit Villarreal* A Shadow of a Man by Cherrie Moraga* Man of the Flesh by Octavio Solis* Young Valiant by Oliver Mayer* (previously titled 'Food and Evil') The Lady Architect and the King of Tile by Roberto Athayde Trafficking in Broken Hearts by Edwin Sanchez*
1990 Prospect by Octavio Solis* Floorshow: Doña Sol and Her Trained Dog by Edwin Sanchez* A Dream of Wealth by Arthur Giron* The News from Puerto Rico by Jack Agueros* Scarlet Macaw by Bernardo Solano Gleaning/Rebusca by Caridad Svich*
1991 La Illuminada by Octavio Solis September 11 by Guillermo Reyes The Language of Flowers by Edit Villarreal (previously titled 'R and J')*
1992 Bitter Homes and Gardens by Luis Alfaro* Cocks Have Claws and Wings to Fly by Amparo Garcia* Kuba by Roger Schirra*
1993 Pacific Ocean by Roger Arturo Durling I Can't Eat Goat Head by Silvia Gonzalez S.* The Old Matador by Milcha Sanchez-Scott*
1994 Inkarri's Return by Henry Guzman* Cleavage and Smokes by Delores Chavez* Straight as a Line by Luis Alfaro* A Royal Affair by Luis Santeiro*
1995 Under the Western Sky by Amparo Garcia* Watsonville by Cherrie Moraga* N.W.W.Y.P. by Carlos A. Murillo*
1996 Santa Conceptión by Anne Garcia-Romero* Adrift by Rogelio Martinez Tracks by Edit Villarreal
1997 Maleta Mulata by Jorge Ignacio Cortiñas (previously titled 'How to Make Love to a Mulatto')* Claudia Meets Fulano Colorado by Joann Farías* El Otro by Octavio Solis* (previously titled 'La Romy Takes a Dive')
1998 Landlocked by Cusi Cram* The Sins of Sor Juana by Karen Zacarías*
1999 References to Salvador Dali Make Me Hot by Jose Rivera* Illuminating Veronica by Rogelio Martinez* Lupe, Now! by Jonathan Ceniceroz* Cuchifrito by Eduardo Andino*
2000 The End of it All by Cusi Cram Hortensia and the Museum of Dreams by Nilo Cruz* Vieques by Jorge Gonzalez*
2001 California Scenarios by Luis Alfaro, Joann Farías, José Cruz González, Anne García-Romero and Octavio Solis Sweaty Palms by Alejandro Morales* Tight Embrace by Jorge Ignacio Cortiñas*
2002 California Scenarios by Luis Alfaro, Richard Coca, Joann Farías, José Cruz González and Anne García-Romero The Beauty of the Father by Nilo Cruz* Electricidad by Luis Alfaro* Lobster Face (or The Shame of Amanda Cockshutt) by Magdalena Gomez* Lost in Translation by Rogelio Martinez*
2003 Mariela in the Desert by Karen Zacarias* Mimesophobia by Carlos Murrillo* Welcome to Arroyo's by Kristoffer Diaz* Yemaya's Belly by Quiara Alegria Huides*
2004 Clearing by Octavio Solis Taking Off by Adriana Sevan* The Day I Flipped Off Jimmy Carter by Richard Coca Cry of the Bronx by Migdalia Cruz* The Adventures of Barrio Grrrl! by Quiara Alegría Hudes*
