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Why Are More Roofs Not Made of Solar Tiles?

Solar tiles were promoted as an attractive alternative to solar panels, but their adoption has been limited. BBC Technology examines the reasons behind their slow uptake.

In-progress installation of CertainTeed Solstice solar shingles on a roof in Madison, Wisconsin, September 2025.
Solar shingle array installation progress sunset CertainTeed Solstice Madison WI Sun Vault Roofing 2025.jpg · Sun Vault Roofing · CC BY-SA 4.0

Solar tiles, also known as solar shingles, were introduced as a way to integrate solar power generation into a building's roof without the need for separate panels. They were often marketed for their aesthetic appeal, blending in with traditional roofing materials.

Despite initial enthusiasm, solar tiles have not become a common sight on rooftops. According to BBC Technology, the reasons for this are multifaceted. The article suggests that cost, installation complexity, and lower efficiency compared to conventional solar panels may be contributing factors.

Solar tiles installed on house roofs.
Solar tiles on house roofs - geograph.org.uk - 2592737.jpg · Stephen Craven · CC BY-SA 2.0

While solar tiles offer a streamlined look, they typically come with a higher price tag. Installation requires specialized labor, which can further increase expenses. Additionally, solar tiles may not match the energy output of standard panels, making them less attractive for homeowners focused on maximizing energy production.

The BBC report indicates that these challenges have hindered widespread adoption. However, ongoing advancements in technology and manufacturing could potentially address some of these issues in the future.

Frequently asked questions

What are solar tiles?

Solar tiles, also known as solar shingles, are roofing materials that incorporate solar cells to generate electricity, designed to blend in with traditional roofing.

Why haven't solar tiles become more popular?

According to BBC Technology, reasons include higher costs, complex installation, and potentially lower efficiency compared to standard solar panels.