National Heritage and Iberdrola Renew Royal Chapel Lighting with LEDs

Published on January 28, 2026 | Translated from Spanish
Interior of the Chapel of the Royal Palace of Madrid illuminated with the new LED technology system, highlighting its frescoes, gilding, and architecture.

Patrimonio Nacional and Iberdrola Renew the Lighting of the Royal Chapel with LED

An alliance between Patrimonio Nacional and the company Iberdrola has made it possible to completely modernize the lighting of the Chapel of the Royal Palace of Madrid. This project is part of a broader initiative that seeks to apply technological innovation in emblematic monuments. The main objective is to optimize energy use and protect cultural assets, while enhancing the aesthetic values of the space. 🏛️💡

Advantages of LED Technology in Historical Spaces

The implemented system is based on light-emitting diodes (LED), which offer notable benefits compared to conventional lamps. They provide a much longer lifespan and drastically reduce electricity consumption. Additionally, this technology allows for highly precise adjustment of both the chromatic tone and luminous intensity, a key factor in preventing heat or UV rays from damaging sensitive and ancient materials. Iberdrola designs and installs these solutions as part of its commitment to sustainability.

Key Benefits of the Installation:
  • Greater Efficiency: Significantly reduces energy expenditure.
  • Heritage Protection: Controlled light prevents degradation of frescoes, fabrics, and gilding.
  • Architectural Enhancement: Allows directing attention to specific ornamental details.
Updating the infrastructure of a historical building without altering its essence is the perfect balance between visibility, aesthetics, and efficiency.

Iberdrola's Strategy for Illuminating Monuments

The electricity company promotes a plan dedicated to modernizing the lighting of significant places throughout Spain. The philosophy is clear: combine innovation with cultural conservation. The intervention in the Royal Chapel of the Palace of Madrid serves as a demonstrative model of how advanced technology can be integrated into a historical context of maximum value.

Features of the Global Plan:
  • Focuses on emblematic buildings and monuments of the country.
  • Seeks a positive impact on long-term conservation.
  • Uses technology as a bridge between historical past and sustainable future.

A New Shine for Art

The final result transforms the perception of the space. The frescoes and gilded elements of the chapel gain exceptional clarity and definition, as if a high-quality digital filter had been applied, but with the authenticity and warmth of real light. This renewal demonstrates that it is possible to preserve historical legacy while adopting smart and environmentally friendly solutions. ✨