Finally it was decided to keep the existing general layout and some structures like the weir and desilting basin despite the more than doubled design discharge. Even the historic power house building remained unchanged. However, due to its limited inside space and vicinity to hotels, a water cooling system had to be introduced to evacuate the heat of the machinery without noise emission outside the building.

Thanks to appropriate decisions taken during the phases of tendering, planning and construction, generation costs of less than 5 Rp/kWh (3.2 US cts/kWh) could be achieved,a price competitive even in the future European's free power market.

The penstock follows a downhill skiing run in one of the largest and most modern tourist resorts in the Alps. Pipes and other equipment for artificial snow production were implemented together with the new penstock.