The national football stadium of Norway, the Ullevaal in Oslo, has incorporated 1,242 vertical bifacial solar panels on its roof, becoming the largest installation for energy production of this type in the world.
This initiative, implemented in June 2024, places the stadium at the forefront of innovation in renewable energies.
Characteristics and Efficiency of Solar Panels
Unlike traditional solar panels, these bifacial panels have two active faces and are installed vertically. This configuration allows them to generate up to 20% more energy than inclined panels, being especially valuable in climates with harsh and dark winters.
The panels also benefit from the albedo effect, where snow reflects solar light, increasing the energy performance.
Objective and Impact of Vertical Panels
The Ullevaal stadium aims to generate at least 250,000 kilowatt-hours (kWh) of electricity per year, enough to supply 71 households. The orientation of the panels, from north to south, is designed to maximize energy production in winter, when electricity prices are higher.
Vertical photovoltaic panels not only prevent overheating and are more efficient, but also facilitate installation and reduce costs. In addition, they require less maintenance and cleaning compared to horizontal or inclined panels.
Future of Vertical Panels
The emerging technology of vertical solar panels is gaining ground and can play a crucial role in the energy transition.
In addition to stadiums and public venues, vertical panels can be installed on highway sound barriers, farms, and combined with green roofs to absorb CO2 and improve the urban environment. The integration of this technology can help Europe achieve its goal of 42.5% of renewable energies by 2030.
The use of vertical solar panels at the Ullevaal stadium and other public venues marks a significant step towards sustainability and reducing the carbon footprint. With the growing demand for more efficient and space-saving solar energy solutions, this innovative technology could become a standard for future renewable energy projects.
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