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Economic and technical assessment of rooftop solar photovoltaic potential in Brownsville, Texas, U.S.A
Abstract Localized assessment of solar energy economic feasibility will benefit the structuring of residential solar energy deployment globally. In the U.S. growing interest in rooftop residential solar among city managers has spurred the development of photovoltaic (PV) feasibility maps of the technical and economic solar potential within cities. The City of Brownsville, Texas was interested in evaluating solar feasibility for their city but lacked information to make informed policy decisions on PV development. This paper presents novel and systems approaches for determining the technical and economic feasibility of solar development for homes in the Brownsville using LiDAR and local information. Residential technical and economic potential was assessed by optimizing the internal rate of return (IRR) and an average residential building demand profile to determine ideal size and placement of solar arrays. Results showed that residential structures in Brownsville have the technical potential to generate approximately 11% of the total energy provided by the local utility; however, average IRR was only 2.9% with a payback period of over 15 years. Five neighborhoods in the City of Brownsville were identified with spatially clustered homes that had relatively higher IRRs compared with other areas in the city. Despite the high technical potential, modeled results indicate that perspective home owners interested in solar development may require additional incentives to improve the economic feasibility of PV in Brownsville. This study provides a demonstration of an interdisciplinary systems approach and methodology that can be adopted internationally to evaluate the feasibility of solar development in other areas.
Highlights Residential buildings in Brownsville, Texas, USA have the technical potential to generate 11% of the city's energy demand. Five neighborhoods in the city had spatially clustered homes with a greater internal rate of return for solar development. Lack of local financial incentives and low energy tariffs reduce the feasibility/adoption of residential PV installation. This study presents a novel rooftop approach and unique interdisciplinary methodology for solar feasibility assessment. The research design can be adopted globally to assess localized technical and economic solar feasibility.
Economic and technical assessment of rooftop solar photovoltaic potential in Brownsville, Texas, U.S.A
Abstract Localized assessment of solar energy economic feasibility will benefit the structuring of residential solar energy deployment globally. In the U.S. growing interest in rooftop residential solar among city managers has spurred the development of photovoltaic (PV) feasibility maps of the technical and economic solar potential within cities. The City of Brownsville, Texas was interested in evaluating solar feasibility for their city but lacked information to make informed policy decisions on PV development. This paper presents novel and systems approaches for determining the technical and economic feasibility of solar development for homes in the Brownsville using LiDAR and local information. Residential technical and economic potential was assessed by optimizing the internal rate of return (IRR) and an average residential building demand profile to determine ideal size and placement of solar arrays. Results showed that residential structures in Brownsville have the technical potential to generate approximately 11% of the total energy provided by the local utility; however, average IRR was only 2.9% with a payback period of over 15 years. Five neighborhoods in the City of Brownsville were identified with spatially clustered homes that had relatively higher IRRs compared with other areas in the city. Despite the high technical potential, modeled results indicate that perspective home owners interested in solar development may require additional incentives to improve the economic feasibility of PV in Brownsville. This study provides a demonstration of an interdisciplinary systems approach and methodology that can be adopted internationally to evaluate the feasibility of solar development in other areas.
Highlights Residential buildings in Brownsville, Texas, USA have the technical potential to generate 11% of the city's energy demand. Five neighborhoods in the city had spatially clustered homes with a greater internal rate of return for solar development. Lack of local financial incentives and low energy tariffs reduce the feasibility/adoption of residential PV installation. This study presents a novel rooftop approach and unique interdisciplinary methodology for solar feasibility assessment. The research design can be adopted globally to assess localized technical and economic solar feasibility.
Economic and technical assessment of rooftop solar photovoltaic potential in Brownsville, Texas, U.S.A
Mangiante, Michael J. (author) / Whung, Pai-Yei (author) / Zhou, Luxi (author) / Porter, Rachel (author) / Cepada, Alejandro (author) / Campirano, Eddie Jr (author) / Licon, David Jr (author) / Lawrence, Rob (author) / Torres, Michael (author)
2019-11-22
Article (Journal)
Electronic Resource
English
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