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KWO Facts
Founded 1925
Shareholders BKW (50%),IWB (16.7%),EWB (16.7%), EWZ (16.7%)
Share Capital 120 Mio CHF
Main Activity Hydro Power Production
Associated Activities Grimsel Hydro Grimsel Hotels Public Transport Visitors Services
Employees 370
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Elements of the KWO System
8 Storage Lakes 200 Mio m3 Storage Capacity
9 Power Plants 26 Turbines7 Pumps1 Pump-Turbine
Total Head 1700 m
Installed Capacity 1125 MW
Water Conduits and Pipes 120 km
Acesss Tunnels 30 km
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Functions of the KWO System
Storage Plants Peak Load Production
Run-of-River Plants Base Load Production (mainly summer)
Pumped-Storage Plants Peak Load Production Base Load Pumping
Auxilliary Services Load BalancingReserve CapacityVoltage RegulationBlack Start Capability
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KWO Energy Production
Percipitation 700 Mio m3 per year
Energy Production 2350 GWh per year (average value)
Production in Winter 35%Production in Summer 65%
Production Cost 0.05 CHF/kWh
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Investment Program KWO plusMain Goals Increase Peak Power Production
Improve Production FlexililityIncrease Storage Capacity
Projects - Upgrade Innertkirchen 1- Upgrade Grimsel 1- Enlargement of Lake Grimsel- Upgrade Handeck plants- New pumped-storage plant Grimsel 3 - New plant Innertkirchen 3 (optional)
Investment 1‘425 Mio CHF
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KWO: More than Hydropower
Grimsel HotelsPublic TransportVisitors Service
Fabrication and refurbishment of turbine wheels and hydraulic system components
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KWO: Importance for the Region
The hydro power production of KWO and the industrial activities of Grimsel Hydro take a leading role in the economical developement of the Oberhasli region.
KWO is the largest employer in the region .
The investment program KWO plus gives valuable economic impulseswith long-therm perspectives.
Associated buisnesses of KWO (Grimsel Hotels, Public Transport, Visitors Services) complement and support the region‘s touristic activities.