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Victoria’s top rooftop solar areas will be able to share and export more power, after Powercor delivered a major works package featuring 500 different network alterations across nine key regions, identified through the Solar Hotspots program. 

Thousands of customers across parts of central and western Victoria are benefitting from the network upgrades delivered by Powercor, which will enable more customers to get the most out of solar investments. 

Since March 2021, Powercor crews have completed over 500 different network alterations and other activities across rooftop solar leading regions, aiming to support the rise in installations. 

The Solar Hotspots Program is providing benefits in the following postcode areas:

  • 3029, Hoppers Crossing, Tarneit, Truganina
  • 3030, Cocoroc, Derrimut, Point Cook, Werribee, Werribee South
  • 3551, Ascot (Greater Bendigo), Axe Creek, Axedale, Bagshot, East Bendigo, Emu Creek, Eppalock, Epsom
  • 3337, Kurunjang, Melton, Melton West, Toolern Vale
  • 3340, Bacchus Marsh, Balliang, Coimadai, Darley, Hopetoun Park, Long Forest, Maddingley, Merrimu
  • 3352, Bonshaw, Bungaree, Bunkers Hill, Burrumbeet, Cambrian Hill, Cardigan,Cardigan Village, Clarendon
  • 3305, Bolwarra, Cape Bridgewater, Gorae West, Heathmere, Portland, Portland North, Portland West
  • 3444, Baynton, Kyneton, Lauriston, Lyal, Metcalfe, Redesdale, Tylden
  • 3465, Alma, Bowenvale, Daisy Hill, Maryborough

These areas were among the most constrained parts of the network, with a new solar connections export approval rate of just over 60 per cent at the start of 2021. 

Powercor has contacted all customers within these areas to advise them that work has been completed and to encourage them to consider reapplying for exports if they were unsuccessful in the past.

The program is the first stage of a five-year Future Networks program designed to support customer investment in solar, electric vehicles and battery storage.

Powercor General Manager Electricity Networks, Mark Clarke, said crews conducted activities at over 30 sites a week for more than three months, upgrading infrastructure, adjusting tap settings on street-level transformers, balancing voltage levels on powerlines and making adjustments at zone substations.

“We’re seeing a real lift in the number of customers able to export excess solar back into the grid in these areas, which were among the most constrained in our network only a few months ago,” Mr Clarke said.

“These works are allowing most of our customers in these areas to export their excess solar, while also supporting Victoria to reduce emissions and increase the use of clean energy generated by customers at home.”

Since Powercor’s works, these areas are now among the best areas for approval of new solar connections to export, with approval rates now above 90 per cent which is even higher than the Powercor network wide average of 89 per cent. 

The works have improved export capacity for customers and also reduced the tripping of existing solar systems, which can otherwise be caused by voltage issues when large amounts of excess solar is exported into the electricity network.

About 22 per cent of residential customers (more than 161,000) on the Powercor network now have solar power, with a total installed capacity of 631MW across the network.

In the past 12 months, more than 24,000 new residential customers have connected solar to the Powercor network.

The Future Networks program will benefit all areas across the Powercor network and incorporates a dedicated solar enablement initiative, while expanding the network’s digital capability to facilitate a variety of choices for customers.

“We recognise the future of energy is being driven by customer choices and these works are part of the ways we’re working to enable them,” Mr Clarke said.

More information about the program and how customers can get the most out of rooftop solar is available at: www.powercor.com.au/solar-energy

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