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Sustainability Features

Photovoltaic efficiency: The temperature effect

Because the current and voltage output of a PV panel is affected by changing weather conditions, it is important to characterize the response of the system to these changes so the equipment associated with the PV panel can be sized appropriately.

Read more: Photovoltaic efficiency: The temperature effect

How extreme heat affects solar panel efficiency

By: Damian Waco

It may seem counter-intuitive, but solar panel efficiency is affected negatively by temperature increases. Photovoltaic modules are tested at a temperature of 25°C (about 77°F) and, depending on their installed location, heat can reduce output efficiency by 10-25%.

Read more: How extreme heat affects solar panel efficiency

Solar-powered water purification system a huge success in Mexican village

By: Kelly-Ann Prinsloo – writer

A Mexican village has turned poverty in prosperity with a solar-powered water purification system

In just two years, the remote jungle village of La Mancalona on the Yucatan peninsula of Mexico has gone from a place where clean water was scarce, bottled water expensive and soda much cheaper, to a place where they have a reliable source of purified water and a profitable business.

Read more: Solar-powered water purification system a huge success in Mexican village

The demand-side risks of large-scale desalination

By: Dawid Bosman – TCTA senior manager: Advisory Services

What are the demand-side risks of investment in desalination?

There is a saying in Australia: “The easiest way to break a drought is to build a desalination plant…” They should know; they have been there, and have just done that. This article explores how a drought led to a vast investment in desalination capacity in several Australian cities, and what the various responses were in the different regions, when the drought was finally broken. It then reflects on the demand-side risk of the investments, and how different cities responded to it.

Read more: The demand-side risks of large-scale desalination

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