Commercial Solar Systems 101: A Simple Guide

All businesses should be looking to reduce their energy consumption and electricity spend wherever they can. A commercial solar system is a great way to do this in an economical way, without having to change the way your...

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CSIRO has created a solar-powered air conditioning system for commercial buildings.  This will create more energy efficiency for Australian businesses. Here's an excerpt:  

CSIRO today unveiled a solar-powered air-conditioning system to cool Australian commercial buildings, achieving greater energy efficiency.

Operating at Stockland Wendouree Shopping Centre in Ballarat, Victoria, the system uses concentrating solar thermal technology to produce heat energy used to power the air conditioning system.

The Australian Renewable Energy Agency (ARENA) provided $520,000 to support the $1.2 million project, jointly managed by CSIRO with Stockland Group and NEP Solar.

The system addresses the high energy consumption of large commercial spaces such as shopping centres and hotels due to their heating and cooling energy requirements — around 60 per cent of total energy use.

The closed-loop system uses two ‘desiccant’ wheels to remove moisture from the air, acting as a dehumidifier. A high-temperature wheel uses solar heat for regeneration while a low temperature wheel functions without any external heat to deliver greater efficiency on a commercial scale.

CSIRO Energy Director Peter Mayfield is extremely pleased with the early results.

“CSIRO’s energy research is driving down costs of renewable technologies, accelerating the transition to a lower-emissions future,” Dr Mayfield said.

“We are pioneering new technologies and this project is a world-first demonstration of a desiccant air-conditioning system using roof mounted concentrating solar thermal collectors.”

ARENA CEO Ivor Frischknecht said ARENA is happy to have partnered with CSIRO on this technology.

“It has the potential to further improve the efficiency of solar thermal energy systems and storage to provide clean and reliable heating and cooling in commercial buildings,” Mr Frischknecht said.

The air conditioning system is powered by NEP Solar’s trough collectors with heat stored in a thermal oil tank.

Read the rest of the story here. 

Written by
Huon Hoogesteger

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