Iimpompo ze-SPL zikwinqanaba elinye, ukufunxa okukodwa, ukuxhoma ngaphezulu, iimpompo eziphindwe kabini ezinqamlezileyo, ezisetyenziswa ngokubanzi kwiplanti yamandla, isinyithi, imigodi, amalahle, izinto zokwakha kunye namashishini ekhemikhali ukuhambisa ulwelo olurhabaxa, ngakumbi isuti yokumpompa ukugxilwa okuphakathi, ukudumba kwentloko ephezulu. udaka kumatshini wokucoca, iinkqubo zokususa uthuthu lwamalahle.Iimpompo ze-SPL zingasetyenziswa njengeempompo zamanqanaba amaninzi kuthotho.