Engeweiher
Engeweiher pumped hydro overview.
Engeweiher is a historic pumped-storage installation in Schaffhausen that transfers Rhine water to an elevated reservoir and releases it for electricity generation. SH POWER owns and operates the plant, which dates from 1909. It returned to trial operation on 6 May 2026 after a major mechanical and control-system modernisation.In OperationSwitzerland
At a Glance
Capacity
5 MWEnergy storage
Data coming soonOperator
Data coming soonCountry
SwitzerlandLocation
47.693°, 8.630°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Owner Operator | SH POWER owns Engeweiher and is responsible for its operational and business management. | Current / not dated |
Organisations
2 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Reservoir dam vegetation-management providerOperations Maintenance | SH POWER’s March 2025 announcement assigned tree removal at the Engeweiher dam to Grün Schaffhausen following the federal dam-safety inspection. | |
| Pumped-storage owner and operatorOwner Operator | Owns and operates Engeweiher and led the mechanical and control-system modernisation completed for trial operation in May 2026. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
General business enquiries can be submitted through the utility’s contact page. The page provides a company-wide route for initial engagement.
SH POWER general business contact; the customer portal serves utility customers.
SourceChecked 28 Oct 2026