Building integrated photovoltaic system for tile roofs

Abstract

Building integrated photovoltaic (BIPV) systems provide for solar panel arrays that can be aesthetically pleasing to an observer, with minimal visible difference between photovoltaic and non-photovoltaic areas of the BIPV system. BIPV systems can be incorporated as part of roof surfaces as built into the structure of the roof, particularly as roofing tiles that have photovoltaic elements embedded or incorporated into the body of the roofing tiles. BIPV systems can also include mimic or dummy tiles that appear similar to tiles with photovoltaic elements, but do not collect solar energy. In some configurations, the appearance of BIPV tile roof systems can be generally uniform to an observer at ground level, where the blending and distribution of photovoltaic and non-photovoltaic elements generate a consistent and elegant appearance that camouflages any differences between photovoltaic tile or non-photovoltaic tiles.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This claims the benefit of priority to U.S. Provisional Application No. 62 / 413,298, entitled “BUILDING INTEGRATED PHOTOVOLTAIC SYSTEM FOR TILE ROOFS” and filed on Oct. 26, 2016, which is herein incorporated by reference in its entirety.TECHNICAL FIELD[0002]This generally relates to photovoltaic arrays.BACKGROUND[0003]Solar is becoming increasingly popular in the United States and abroad, but penetration remains relatively low versus the number of homes that could benefit from solar. The price per kilowatt for solar is now competitive with or below that of utility power in most areas, however, solar largely remains a niche product for those who value saving money, reducing CO2 emissions, or both.[0004]One factor that may limit the adoption of solar technology is aesthetics. Most residential solar systems are installed as modules on an existing tile or composition shingle roof. The solar array, which often only covers a portion of the roof,...

AI Technical Summary

Benefits of technology

The patent provides a better way to install solar panels on existing roofs, particularly those made of tile. The new system is aesthetically pleasing and can be easily installed over an existing roof. It is also more modular, making it easy to replace individual panels, and can generate a unique visual pattern on the roof. This new system is cost-effective and can be used as a new roof or as a replacement for a re-roof.

Problems solved by technology

One factor that may limit the adoption of solar technology is aesthetics.

Another obstacle to solar adoption in existing homes is the dissonance between the age of the existing roof and the solar system, particularly where the existing roof is made from composition shingles.

So the customer may be presented with the dilemma of getting a new roof first, increasing the cost of going solar, or installing a 25-year solar system on a roof which may have a relatively shorter remaining operational lifespan.

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