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Port Fairy, Victoria

System Size



Dairy Farm

Paul Dumesny Case Study – Family Dairy Farm Business

The Dumesny family-owned dairy farm in Port Fairy, Victoria already had a 30kW system when they contacted GEE Energy. They approached GEE Energy to upgrade their system as they were impressed by their savings from solar, but their usage had increased with over 600 cows on their farm. GEE Energy provided an affordable solution to their rising energy costs, designing and constructing an additional 60kW solar PV system.

The Solution

GEE Energy conducted a thorough consultation process before installing a 60kw solar PV system on the Dumesney’s dairy farm. The consultation process included an assessment of the dairy farm’s energy bills by GEE Energy’s CEC accredited engineers, and a final proposal of a suitable system that matched their new consumption (and budget). Then GEE Energy installed the 60kw solar PV system in January 2020 using 176 Seraphim 330 solar panels and 2 Fronius Eco inverters. Seraphim 330 solar panels were suitable for the dairy farm as they are highly efficient and provide solid performance. They also have a modern and sleek design -so they look great! To accompany the state-of-the-art solar panels, GEE Energy chose the Fronius Eco due to its unrestricted outdoor use and convenient installation. The Dumesny’s chose to finance the solar system on a lease agreement of 84 months; with their expected average savings matching their repayments.


Since the installation of their solar PV system in January 2020, the Dumesnys have experienced a significant decrease in their electricity bills. Before installing GEE Energy’s solar system upgrade, the dairy farm had an average monthly bill of $2830 and annual bill of around $34,000. Thanks to the power of solar, the Dumesny’s have reduced their energy costs by around 55%!

We thank the Dumesny’s for trusting GEE Energy to upgrade their PV system and for helping the environment – making their family (and 600 cows) very happy!

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