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Lightswing – Fertigung

Pivoting mounting structures for vertical bifacial photovoltaics with passive wind damping system

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Lightswingsolar

SwitzerlandNew on Amplifa

1.1 kN/m²Certified dynamic wind load
approx. 1 post per 16 panelsColumn requirement thanks to low wind attack surface
÷5Reduction of wind attack surface compared to vertical

About Lightswingsolar

Lightswingsolar develops and supplies pivoting mounting structures for vertical bifacial photovoltaic modules. The patented concept (application WO2025133727) passively turns the panels into the wind during storms, without a motor or electronics, reducing the wind attack surface fivefold. This enables lighter steel structures and foundations as well as large clearance between ground and modules. The product range includes the versions LS-H-4 (4 panels transverse, approx. 1.8 kWc) and LS-V-8 (8 panels upright, approx. 4 kWc) with flanges for HEA profiles or round tube posts; the load-bearing steel structures made of HEA profiles and round columns can be realized by Lightswingsolar or by a structural engineer. The systems are certified for dynamic wind loads up to 1.1 kN/m² and are suitable for alpine PV plants, long line installations, parking lot canopies, agri-PV as well as areas for agriculture and logistics. Demonstrators were erected in 2024 on screw foundations and in 2026 as an agri-PV pilot plant; in Switzerland the installations qualify for the Pronovo inclined-angle bonus of 200 CHF/kWc.

Site
Switzerland
Processes
Design and supply of mounting structures for vertical bifacial PV, Delivery of the mounting structures by Lightswing or realization by structural engineer, Passive damping system (Lightswing) against wind loads, Demonstrator/agri-PV pilot projects, Agronomic study on shading effects
Materials
Steel (HEA profiles, round posts - structural steel for mounting structures), Structural steel (HEA profiles, round tube posts)
Certificates
Wind load certification 1.1 kN/m²
Industries
Photovoltaics (bifacial vertical), Alpine PV installations, Parking lot canopies (carport PV), Agrivoltaics, Agriculture, Warehousing/logistics areas
  1. 01

    Design and structural engineering

  2. 02

    Manufacturing of the steel mounting structures

  3. 03

    Delivery of the pivoting mounting structures

  4. 04

    Assembly on screw foundations or foundations

  5. 05

    Demonstrator and pilot projects

Materials and construction methods

Stahl

Structural steel (HEA profiles, round tube posts)

Structural steel profiles form the load-bearing structure and are connected to the pivoting support systems via flanges.

Locations

Switzerland

CH

Development, design and project coordination

Materials
Structural steel

Components and systems

LS-H-4 – pivoting support for 4 bifacial panels transverse (approx. 1.8 kWc)
LS-H-4 – pivoting support for 4 bifacial panels transverse (approx. 1.8 kWc)Steel mounting structure · Ground-mounted PV
LS-V-8 – pivoting support for 8 bifacial panels upright (approx. 4 kWc)
LS-V-8 – pivoting support for 8 bifacial panels upright (approx. 4 kWc)Steel mounting structure · Ground-mounted PV / Agri-PV
Ground-mounted PV plant with linear design
Ground-mounted PV plant with linear designT-shaped structure · Alpine PV / line installation
PV canopy for parking lots
PV canopy for parking lotsVertical bifacial panels · parking

Inside the production

Alpine PV plant in winter
Alpine PV plant in winter
Alpine PV plant in summer
Alpine PV plant in summer
Prototype on the CSEM test field
Prototype on the CSEM test field
Concept sketch of passive pivoting
Concept sketch of passive pivoting
Vertical bifacial east-west orientation with sun path
Vertical bifacial east-west orientation with sun path
Comparison of east-west daily production curves
Comparison of east-west daily production curves
Agri-PV pilot plant Lullier
Agri-PV pilot plant Lullier

Industries

Photovoltaics (bifacial vertical)Alpine PV installationsParking lot canopies (carport PV)AgrivoltaicsAgricultureWarehousing/logistics areas

Additional services

Design and supply of mounting structures for vertical bifacial PVDelivery of the mounting structures by Lightswing or realization by structural engineerPassive damping system (Lightswing) against wind loadsDemonstrator/agri-PV pilot projectsAgronomic study on shading effects

Quality and certification

The mounting structures are certified for dynamic wind loads up to 1.1 kN/m² and therefore also cover high-alpine locations. The passive damping system works without a motor and electronics and requires no special maintenance.

EvidenceSwitzerland
Wind load certification 1.1 kN/m²

History

  1. 2024

    October: Demonstrator installed on screw foundations, with 4 panels of 570 Wc each (2278×1134 mm, transverse); from this, development of the LS-V-8 variant with 8 panels upright.

  2. 2025

    Patent application WO2025133727 for the passive pivoting concept filed.

  3. 2026

    October: Agri-PV demonstrator built over crops; planned agronomic study on shading effects over several seasons.

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