The Building

Building post-intervention

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La Dîme, Château Bioley-Magnoux

In the charming village of Bioley-Magnoux, perched on a majestic hill, stands a château that combines history and ecological transition. The owner, keen to preserve the historic character of his estate while embracing green solutions, opted for solar tiles to cover the roof of the Dîme, the château's annex building.

The Solution

Solution post-intervention

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What is the Solution?

Freesuns solar tiles were installed on the sun-drenched south-facing side of the Tithe roof, ensuring maximum exposure for optimal solar energy production. The tiles were perfectly integrated, respecting the historic aesthetic while offering enhanced energy efficiency. Thanks to innovative techniques and the meticulous attention to detail of the roofer, every detail of the roof was conscientiously worked on to guarantee an installation in line with current standards, while respecting the recommendations of heritage protection authorities.

Why Does it work?

The solar tiles are perfect for such listed buildings, providing here 100% full coverage without altering the visual aspect of this heritage protected building.

PROS
  • Adaptable to site/building requirements (colour, texture, shape)
  • Resemblance to tiles (mimetic).
  • Preservation of the appearance of the listed building while producing energy in the roof.
CONS
  • Lower energy performance than standard modules.
  • Number of elements and "one-off" pieces.
  • More demanding to implement.
  • Much higher costs than a standard solution.
Type of installation
Replacement (building integrated - BIPV)
Part of the building
Roof only
Mounting system
information not available
Orientation
18° (S-W)
Slope
38°
Area (m²)
167
Availability
Yes, available on the market
Manufacturer
Freesuns
Model
Solaris VDiamond A1
PV module format
Customized modules
PV module format max
Basic dimensions of the tile : 730 x 400 mm (730 x 140 mm)
PV module type
Glass-Glass
PV cells technology
c-silicon
PV module efficiency
0.0969
Total PV power
15,3 kW
Surface PV power (W/m²)
89,6 W/m2
PV energy production
abt. 15'000 kWh/yr
Weight
40,53 kg/m2
Dummy modules used?
Yes
Frame
No
Overlapping
Yes
Colorization
Yes (coloured modules)
Colorization technology
Coloured foil
Glass structure
Shiny (with antireflection)

Before retrofit

After retrofit

Assessment

PV installation type
Replacement (building integrated - BIPV)
PV position
Roof only
Coloured PV
Yes
Module efficiency
Efficiency <= 10%
Building alteration
Yes, the building envelope was modified in a non reversible way
Investment cost
Medium High
Circular approach
No

Location

1407 Bioley-Magnoux VD, Switzerland - 572m
Climatic Zone:Cfb