Copel acknowledges and values biodiversity relevance for environmental balance maintenance, and specially life. Nowadays, it keeps under its care protected areas with native vegetation, that total more than 24,000 hectares in different biomes, representing significant regional native fauna and flora refuges.

Out of this total, more than 10,000 hectares are of specific areas designed almost solely to Mata Atlântica biome conservation, located in Paraná ́s Serra do Mar and included in this forest largest continuous conservation, which has one of the planet ́s highest biodiversity rates.

Other protected areas include Permanent Preservation Areas (APPs) around the reservoirs of hydroelectric plants and areas earmarked for forest compensation projects, which together total around 10,000 hectares.