KWO Oberhasli Hydroelectric Company

Short Presentation

11.06.2008

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KWO

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Switzerland‘s Water Reservoir

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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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KWO System

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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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Enlargement of Lake Grimsel

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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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Grimsel Hydro Workshop

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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.