[4] In the 2011 general election, Penacca was the 6th candidate in the Front for Victory list to the Buenos Aires City Legislature.

[5] Although the list received 14.02% of the vote and Penacca was not elected, she assumed office upon Alejandro Amor's resignation in 2013.

[7] Penacca was the second candidate in the Buenos Aires City Frente de Todos list to the Argentine Chamber of Deputies in the 2019 general election, behind Fernando "Pino" Solanas; the list received 34.22% of the popular vote, and Penacca was elected.

[10] Penacca was one of the 131 members of the Chamber of Deputies who voted in favor of the 2020 Voluntary Interruption of Pregnancy bill, which later went on to be passed by the Senate and legalize abortion in Argentina.

In 2021, she presented a bill to establish a protocol against institutional violence, backed by a number of human rights activists as well as the Security Ministry.