Denham jetty

Horizon Power is preparing to build a hydrogen demonstration project as part of a new energy solution planned for the town of Denham in Western Australia.

The existing power supply in Denham is a combination of a Horizon Power owned and operated diesel facility, and a Synergy wind farm – both assets of which are in need of replacement.

Horizon Power plans to build a new power solution with solar, wind and diesel to power the town.

Denham, with a population of 500, is the gateway to the Shark Bay World Heritage Area and approximately 100kms from Carnarvon and ten hours from Perth.

Horizon Power’s initiative aligns with State Government’s Renewable Hydrogen Strategy by investigating the possibility of demonstrating the use of hydrogen as a future source of energy for the town.

Horizon Power Chief Executive Officer, Stephanie Unwin, said, “As part of our commitment to deliver cleaner, greener energy to our regional customers, we want to investigate the potential to develop a hydrogen demonstration plant to test the suitability and capability of hydrogen as a renewable energy source for electricity generation in the future.”

“Proving the reliability of such a hydrogen plant provides the opportunity to expand the plant to supply the full power requirements for the town in the future.”

A solar farm will generate electricity which will power an electrolyser. The electrolyser splits water into hydrogen and oxygen, with the hydrogen to be stored in a fuel cell. The fuel cell generates electricity for Denham consumers.

This “green hydrogen to electricity” supply chain means the storage of the hydrogen ensures the availability of power 24/7. By comparison, the electricity output from a conventional solar farm is dependent on the sun shining.

Horizon Power has sought expressions of interest for the supply of the hydrogen electrolyser and fuel cell and to design and construct the plant. If the project is determined to be viable, construction would begin in February 2021.

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