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Solar energy has seen a significant rise in popularity over the years, yet the visual impact of traditional solar panels remains a deterrent for many homeowners. To address this, the industry has developed solar tiles, or shingles, which are designed to blend seamlessly with conventional roofing materials. According to industry expert Kate Collardson, these tiles offer an aesthetic solution that is particularly vital for historic properties. In such cases, strict heritage regulations often prohibit the installation of standard solar panels to preserve the building’s original character.

Despite the visual appeal, the market has faced considerable turbulence. Tesla, once a leader in this field, recently withdrew from the solar roof market following poor sales and legal disputes regarding price increases. However, this exit has created a gap that smaller firms, such as the Swiss company Freesuns, are eager to fill. Freesuns has reported a steady growth of thirty percent since 2019, suggesting that demand for stylish energy solutions persists even when major players struggle.

Nevertheless, several obstacles prevent solar tiles from becoming a mainstream choice. Currently, these components are not mass-produced, keeping costs high. If production were to increase in scale, prices would likely fall. Furthermore, because every roof is unique, each installation requires bespoke engineering. The process is also labor-intensive, demanding close collaboration between roofers, solar technicians, and electricians. For many roofing contractors, the time required to install one solar roof is equivalent to ten standard jobs. Consequently, many professionals prefer traditional materials to avoid potential financial losses.

Maintenance presents further complications. Traditional solar panels include internal electronics that help technicians pinpoint the location of faults. In contrast, solar shingles are too thin to house such technology. If a problem arises, specialists must use expensive thermal cameras to find the failure, making repairs both costly and time-consuming. Ultimately, while solar tiles represent an innovative marriage of design and technology, they remain a luxury. Whether these elegant shingles will replace traditional panels depends on the industry’s ability to simplify installation and lower costs.

1. What is the main purpose of the article?

• A.To explain why Tesla failed to sell solar roofs.
• B.To compare solar tiles with traditional panels and discuss their challenges.
• C.To provide a guide on how to install solar shingles for homeowners.
• D.To argue that historic buildings should not use renewable energy.

2. Why are solar tiles particularly suitable for historic buildings?

• A.They are much cheaper than traditional panels.
• B.They provide more energy than regular tiles.
• C.They satisfy strict rules about maintaining a building’s appearance.
• D.They are easier for specialized roofers to install.

3. What does the author imply about roofing contractors?

• A.They lack the technical skills to work with modern electricity.
• B.They are eager to switch to solar tiles to increase their profits.
• C.They prefer traditional jobs because they are more time-efficient.
• D.They often collaborate poorly with solar technicians.

4. Which of the following is mentioned as a maintenance disadvantage of solar tiles?

• A.They are too fragile to be walked on by repair workers.
• B.It is difficult to identify exactly which part of the roof is broken.
• C.They require more frequent cleaning than traditional panels.
• D.Thermal cameras are unable to detect faults in thin shingles.

5. In the third paragraph, what does the word ‘bespoke’ mean?

• A.Very expensive and overpriced.
• B.Specially designed for a specific purpose or person.
• C.Produced in large quantities in a factory.
• D.Using old-fashioned technology.