CASTELLANA 66 · MADRID, SPAIN
RENOVATION
Castellana 66, located on one of the most important avenues in Madrid, is a benchmark for sustainable design and energy efficiency. This building features a 1,668 m² ventilated façade equipped with cutting-edge photovoltaic technology. It utilizes 5BB monocrystalline cells with an anthracite-colored front frit finish and horizontal slats made of extra-clear glass, reaching a nominal power of 175 kWp. Additionally, the façade boasts an Acid Etch finish, along with transparent elements in the canopy, optimizing both the aesthetics and the building's energy performance.
This project involved leading companies such as Aluman, ENAR Envolventes Arquitectónicas and Baal Arquitectos, who collaborated to deliver this innovative solution. The building is part of the campus of ESCP, the prestigious business school, located in Madrid.
Castellana 66 stands out not only for its innovative architectural design but also for its ability to integrate advanced technological solutions to improve the building's energy efficiency. The combination of photovoltaic technology and the ventilated façade enables more efficient thermal management, significantly reducing the building's energy needs.
The photovoltaic glass used in this project was carefully selected to meet the specific design and environmental goals. Its integration into the ventilated façade ensures that the building is able to maintain an optimal indoor climate, reducing the need for artificial heating and cooling. The advanced photovoltaic technology not only generates clean energy but also contributes to the building's overall thermal insulation, preventing excess heat from entering during the hot summers in Madrid. This combination of design and functionality makes the façade a perfect fit for the building's goals of reducing energy consumption and minimizing its environmental impact. Additionally, the sleek design of the photovoltaic glass enhances the building’s visual appeal, aligning with the modern architectural language of Madrid’s Paseo de la Castellana. Castellana 66 is a prime example of how innovative solar technology can seamlessly blend with high-performance architecture to create a sustainable, forward-thinking urban landmark.
Founded in 1819, ESCP Business School holds the distinction of being the first business school in the world. Its mission is to nurture the next generation of global business leaders, equipping them to seize the opportunities presented by cultural diversity.
Aluman is an industrial group leader in innovative solutions for the construction sector, specializing in architectural enclosures and cladding. Founded in 1973, it has 7 international subsidiaries and over 700 employees. They offer design, engineering, manufacturing, and project execution services, standing out for their technical expertise and operational excellence.
ENAR is a Spanish engineering and consulting firm specializing in technological façades. Founded in 1999, it provides expert advice on the use of innovative materials and technologies for building envelopes. With extensive experience in both traditional materials like steel, aluminum, and glass, as well as cutting-edge materials such as reinforced resins and polymers, ENAR has collaborated with renowned international architects and worked on high-profile projects across Africa and Asia. The company is known for its focus on efficiency and high-performance systems for façades.
BAAL arquitectos, founded 25 years ago by Sergio González and Juan Miret, is dedicated to achieving the highest quality through highly qualified teams with balanced complementary skills. The firm has worked on both specialized architectural projects and large-scale assignments for other studios, often collaborating closely with a network of skilled professionals to ensure seamless project development and maintenance under their technical direction.
