peter: the lubilia river will still be flowing in its natural course. certainly, there will be a reduced flow in especially during t the dry months. but during the wet months, it will be like normal, there will be almost no differencnce. reporter: the channel is two kilometers long. what's decisive for producing power is the force with which the water drives the turbines. so from here, the water will pass through steel pipes, plunging 264 meters down the mountain. peter: the reason we need the concrete canal is to convey water out of the river to this point where we are, which is the forebay. what we are looking for is a net head between this point and the powerhouse where we generate all our electricity. reporter: the entire project is set to cost $16 million. before the work even began, a feasibility study was carried out to show whether the location was suitable. that study alone cost $600,000. the united nations' green climate fund now provides money for these kinds of initiatives. in the past, it was always difficult to get funding for feasibility