APV Sidenplangg

APV Sidenplangg solar overview.

Sidenplangg is an alpine solar installation in Spiringen, Uri, built on steep terrain among existing avalanche barriers at around 2,000 metres above sea level. Its first section began generating electricity in November 2025. Construction continues towards a planned full capacity of 8.04 MWp, with full commissioning expected in 2028.In ConstructionSwitzerland

At a Glance

Capacity

8 MW

Mounting

Ground

Operator

Data coming soon

Country

Switzerland

Location

46.893°, 8.744°

Website

Official project page

Ownership

4 records

Share	Role	Details	Period
Unknown	Project Company	Project company responsible for developing and operating the Sidenplangg alpine solar installation.	Current / not dated
Unknown	Co Developer	Development partner in the Sidenplangg project company.	Current / not dated
Unknown	Indirect Parent	Holds a corporate interest in the project company; the group financial statements report a 90% holding in APV Sidenplangg AG for 2025.	Current / not dated
Unknown	Co Developer	Initiated the Sidenplangg alpine solar project and participates in its project company.	Current / not dated

Organisations

15 records

Organisations recorded as working on this asset or its project, and their role.

Organisation	Role	Details
	Solar project companyProject Company And Development	Develops and operates the alpine solar installation.
	Development partnerDevelopment And Finance	Participates in the project company alongside energieUri.
	Electricity marketing and offtake counterpartyOfftake And Market	Agreed a 20-year supply arrangement with Winterthur for electricity and guarantees of origin from Sidenplangg.
	Environmental construction monitorConsenting Environmental	Provides environmental monitoring during construction.
	Electrical designerEngineering And Design	Provides electrical engineering and design for the alpine solar installation.
	Natural hazards adviserConsenting Environmental	Provides natural-hazard engineering for the alpine site.
	Initiator, operator and electrical contractorDevelopment And Operation	Initiated the project and undertakes operation and electrical installation for the alpine solar field.
	Anchoring mortar supplierEquipment Supply	Supplies Fixit 532 anchoring mortar for the solar-table foundations under an order from PORR SUISSE AG.
	Civil engineering designerEngineering And Design	Provides civil engineering for the alpine solar project.
	Steelwork and module preassembly contractorFabrication And Assembly Context	Provides steelwork and preassembly of the solar modules.
	Project landownerLease And Regulatory Context	Owns parcel L531 in Spiringen. Its November 2024 council proposal set out building rights for the solar anchors and two technical buildings.
	Civil works and solar-table installation contractorEpc Balance Of Plant	Undertakes ducts, transformer stations, foundations and installation of solar tables.
	Electricity offtakerOfftake And Market	Agreed to purchase up to 1 GWh a year and the associated guarantees of origin under a 20-year arrangement with aventron solar AG.
	Transformer transport specialistTransport Installation	Developed a special transport solution with energieUri for six transformers on the steep site during summer 2026.
	Solar field designer and mounting-system supplierEngineering And Design	Provides detailed solar-field design and the ALPINQUATTRO mounting system.

Supplier registration

Contact page only

How suppliers get onto this project's radar: its standing register, supplier portal or contact route.

Supplier enquiries can be directed through the operator’s general contact form. Businesses can introduce their capabilities and request the relevant procurement contact.

Portfolio-wide energieUri general contact channel; no project-specific supplier registration is stated.

Contact page

SourceChecked 30 Oct 2026

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