The group contested the 1979 municipal elections with the candidature Comunistes de Catalunya ('Communists of Catalonia'), winning 14,529 votes (0,55% of the votes in Catalonia) but no seats. Most of the votes came from Barcelona Province, where the group got 13,145 votes (0,64%). In the Barcelona City municipal election the candidature got 6,148 votes (0.77%). In Badalona the group got 1,557 votes (1.82%). In Girona Province the group only contested the Girona municipal election, where it got 1,384 votes (3.78%). With 0.09% of the Spanish vote, Comunistes de Catalunya was the most voted party which failed to win a single councillor seat.