Tierfehd Umwälzwerk
Tierfehd Umwälzwerk pumped hydro overview.
Tierfehd Umwälzwerk is a high-head pumped storage installation within the Linth-Limmern hydroelectric system in Glarus. Its reversible four-stage pump-turbine transfers water between the Limmern reservoir and Tierfehd, supporting flexible electricity generation and storage. The federal register lists 142 MW of generator power and 138 MW of turbine power.In OperationSwitzerland
At a Glance
Turbine nameplate capacity
138 MWEnergy storage
Data coming soonOperator
Data coming soonCountry
SwitzerlandLocation
46.878°, 8.985°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Owner Operator | Owner and operator of Tierfehd Umwälzwerk. | Current / not dated |
Organisations
5 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Electromechanical package supplierEquipment Supply | ANDRITZ HYDRO supplied the reversible four-stage pump-turbine, automation, electrical and auxiliary systems. Its report records operation in the final configuration in 2012 and final acceptance in October 2015. | |
| Project customer and KLL shareholderDevelopment And Finance | Axpo Power was the customer for the Tierfehd electromechanical package. Axpo is a shareholder in Kraftwerke Linth-Limmern. | |
| Shared Tierfehd substation automationSubstation Electrical | The TIGER project supplied protection, control and station automation for the shared Tierfehd substation serving the wider Linth-Limmern system. | |
| KLL shareholderFinance Insurance Legal | The canton of Glarus is a shareholder in Kraftwerke Linth-Limmern, the company owning the Tierfehd plants. | |
| Plant owner and operatorOwner Operator | Tierfehd Umwälzwerk forms part of the Kraftwerke Linth-Limmern hydroelectric system. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Prospective suppliers can approach the procurement team through its corporate supplier contact page. This route covers the wider company portfolio.
Axpo corporate supplier contact route covering its Swiss activities and partner plants.
SourceChecked 29 Oct 2026
Capacity history
Recorded project capacity figures. Future-dated changes are shown but are not used as current capacity.
| Effective | Capacity type | Capacity | Source |
|---|---|---|---|
| Current | Turbine nameplate capacity | 138 MW | SFOE WASTA – turbine output, statistics at 31 December 2025 |