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 - - -  NEYA HOTELS  - - - 
Foto: Fernando Guerra | FG+SG
This project by Atelier PK Arquitetos with the collaboration of Colectivo ODD, has the signature of architects Francisca Magalhães Ramalho, responsible architect, Sérgio Bernardo, André Almeida and Gonçalo Moreira. The decoration work was developed in partnership with the decorator Inês Albuquerque Lima.
Foto: Fernando Guerra | FG+SG

"... in the scope of innovation combined with sustainability, a glass roof with photovoltaic characteristics was designed and built, covering the space of the former convent church. The glass maintains a smooth transparency by filtering part of the sun's rays and producing energy for the hotel in a clean and non-polluting way. On the other hand, the permanence of natural light gives dignity and mysticism back to space as a romantic ruin ".

S-Vitech was responsible for the Onyx Solar photovoltaic glass implementation in the refurbishment of the Convento Madre Deus de Monchique, where the NEYA Porto Hotel born.  S-Vitech represents Onyx Solar in Portugal and has completed the work by filling an area of 159m2 with 80 units of amorphous silicon photovoltaic glass (which is 1849x1245 mm and 2456 x 1245 mm in size) with a nominal power of 7.5kWp and estimated energy of 9,428 kWh / year.

Located in the riverside area of the city, NEYA Porto Hotel will combine contemporary with historical heritage and sustainability, brand values of a 4-star hotel, which will feature 124 rooms and 12 suites overlooking the Douro.


Amorphous silicon glass offers the perfect combination between aesthetics and functionality. This solar PV glass shows the same mechanical properties as a conventional, architectural glass used in construction.

It follows themost stringent safety standards in construction, required for architectural glass. However, in addition, it also generates free and clean energy thanks to the sun (active solar properties). It can also be customized in terms of shape, color, size, thickness, and semi-transparency degrees. It works very well under diffuse light conditions (overcast).


Advantages of Amorphous Silicon Solar PV Glass

  • It produces more power than crystalline Silicon glass when under diffuse light conditions and high temperatures.
  • It offers a very uniform appearance, easing a clean installation.
  • It offers different visible light transmittance levels, up to 30%.
  • It offers flexibility in design since it can be tailored to architectural needs.
More about Onyx Solar
Foto: Fernando Guerra | FG+SG
According to the architect Francisca Magalhães Ramalho, the adaptation to the topography, the natural use of roofs, the control of natural light, the rigor of shapes and materiality, were the starting point for this project, which is intended to be original in a city where importance of architecture is evident.

"The glass maintains a smooth transparency, filtering part of the sun's rays and producing energy for the hotel in a clean and non-polluting way".

Foto: Fernando Guerra | FG+SG
Foto: Fernando Guerra | FG+SG

"a unique space, which, due to the architectural traces kept in balance with the new architecture of the building, transport to the memories of the conventual and industrial past, which merge with the urban present".

Excerpts from the press release of 31 August by PK Arquitetos and ODD Colectivo.
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