mariam angeyango wants to use her skills to help her family. she's already installed a solar panel at home. mariam: it gives us freedom of not buying paraffin, you don't lose any resources and other things. it's me who goes and mounts it, and i feel that we can do this so that i can gain that experience in mounting grid. reporter: electric ovens are a rarity in rural uganda. efficient use of firewood here is a big issue. a year ago, with the help of a south korean bank and the ugandan government, this school got a new oven. it uses 60% less firewood than the old one, and requires less work to operate. alina: the new oven is the best for me. fantastic. no smoke, no what. i like it very much. it is fast in cooking, very fast, and you put very little firewood. reporter: justine akumu from the ministry of energy is visiting the school. she wants similar ovens to be installed across uganda, some 15,600 in the cocountry's schos alone. the deputy headmaster shows akumu where she cooked before they got the new oven. justine: i know, deforestation is so