Photovoltaic skylight Alcala 33 Onyx Solar




Onyx Solar has manufactured Photovoltaic Glass for the main Photovoltaic Skylight for the rehabilitation and reform of this historic building built in 1900 at 33 Alcalá Street, Madrid.



The installation is composed of 12 units of Amorphous Silicon Photovoltaic Glass with high transparency degree to maximize the entry of natural light. Each glass module measures 2,438x1,160 mm and has an air chamber.



In total, this 34 m2 Photovoltaic Skylight will improve the efficiency of the building by producing clean energy and by improving the insulation of the building, and also filtering the harmful rays of the sun.

alcala 33 photovoltaic skylight onyx solar




  • superficieTotal Area - 34 M2
  • electricidad generadaElectricity generated in 35 years  - 42.733 kWh
  • puntos de luzTotal lighting points operating 4 hours per day in 35 years - 84 lighting points
  • emisiones CO2 evitadasCO2 emmisions avoided in 35 years - 11 Tons of CO2
  • barriles petroleo ahorradosBarrels of oil saved in 35 years - 25 barrels per m2


Example of a feasibility study of Amorphous Silicon Photovoltaic Skylight in Madrid:




* Onyx Solar Energy S.L. makes no representations, warranties or guarantees, whether express or implied, that the content in the report is accurate, complete or up to date.



Photovoltaic skylight Alcala-33



This iconic building is located within the Villa de Madrid Historic Complex, an Archaeological Protection area, and therefore has a level of protection that requires the restoration of elements such as the exterior facade, the staircase and the portal.



Photovoltaic skylight Alcala-33




Reny Picot, an international firm of the dairy industry, has chosen an emblematic property located in the heart of Madrid, to be used entirely for the new headquarters. The works consist of the functional recovery of the building declared in ruins in 2005 and its enhancement as a characteristic architectural element of the urban façade of that section of Alcalá Street, an action designed by the architecture studio Díaz & Díaz Architects.



 Photovoltaic skylight Alcala-33



In the center of the building, the architects project a spectacular staircase, with a Photovoltaic Skylight, connected with glass walkways and a panoramic elevator.


The installation has been carried out by Magic Block Engineers, Onyx Solar's official point of sale for Madrid.




Client: Reny Picot

 Property: La Mucheda SL

 Architects: Díaz & Díaz Architects

 Main contractor: Desarrolla
Mechanical / electrical / structural installer; Magic Block Engineers

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