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In 2008, six dual axis tracking solar photovoltaic systems were installed on King Island adding 100kW of renewable energy generation to the power station. The SOLON Mover is the largest industrially manufactured ready-to-go solar tracking system in the world. It was specially developed for use in major solar power stations. A SOLON Mover consists of 24 solar PV modules, a steel frame construction for the dual axis tracking system, and the necessary output, communication and control electronics. SOLON Movers contain all the technical components necessary for converting the direct current generated by solar modules into the alternating current required for feeding into the supply grid. They are factory-tested as a complete system and are supplied inclusive of the specially developed and optimally adapted modules and inverters. The use of solar power on King Island has several benefits:

» to diversify the incoming renewable energy load such that power can potentially be generated from one power source (such as solar) when the other (wind) may not be generating and vice versa; and

» to demonstrate how a variety of renewable energy technologies may operate in such an integrated system.

Advantages of SOLON Movers:

» Yield enhancement: The dual axis tracking system yields up to 40% more power than fixed installations.

» Simple and quick installation: SOLON Movers are industrially manufactured as complete photovoltaic systems and are fully factory-tested. Installation on site is simple and rapid allowing the system to be connected to the power grid a few hours after delivery.

» The decentralised design makes it easy to enlarge power stations at a later date and minimise potential yield shortfalls.

» Solar power stations with SOLON Movers are particularly environmentally friendly and adaptable. All the components are ideally suited to their intended purpose and the whole system is designed to be robust and low maintenance.

The solar array is expected to deliver around 200 MWh a year to the Currie power station, resulting in CO2 savings of around 180 tonnes per annum.