Solar panels affect city temperatures

This is a news story, published by UNSW Sites, that relates primarily to Santamouris news.

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solar panels

UNSW Sites

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Rooftop solar panels impact temperatures during the day and night in cities: modelling

Summary

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87% Informative

A simulation shows city-wide installation of photovoltaic solar panels on roofs could raise temperatures during the daytime and lower them at nighttime .

In a scenario with complete RPVSP coverage in a city, the urban temperature could increase in the day up to 1.5C during peak summer periods and decrease at nighttime up to 0.6C.

The findings don't suggest that PVs aren’t an important renewable energy solution in the transition away from fossil fuels.

Prof. Santamouris advocates for hybrid PV systems that integrate panels with a water-based thermal collection system to absorb excess heat for hot water production.

Reflective cool roof materials that bounce heat rather than absorb heat could also be used to boost the energy production of nearby RPVSPs.

Adding other heat sinks such as rooftop greenery can also improve PV efficiency.

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semi-formal

Language

English

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not offensive