The Ballast Solar Power System installed at 343 George Street Sydney is part of 1.25MW Solar Power Project for the City of Sydney Council. The solar panel system was installed on a flat concrete roof using ballast and a special solar panel flat roof mounting system.

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The Ballast Solar Power System installed at 343 George Street Sydney is part of 1.25MW Solar Power Project for the City of Sydney Council. The solar panel system was installed on a flat concrete roof using ballast and a special solar panel flat roof mounting system.

Solgen Energy was awarded the City of Sydney Solar Project to design, install and commission over 1.5MW of solar power installations on major buildings owned by the City of Sydney Council. The systems have been installed on 30 properties throughout the municipality.

The City of Sydney Council set a target of achieving a 70 per cent reduction in carbon emissions across the City of Sydney local government area and to have 25 per cent of its energy needs coming from renewable resources by 2030.

When completed, the City of Sydney Solar Power Project is estimated to deliver a 4.5 per cent reduction in the City’s overall greenhouse gas emissions and 12.5 per cent of the City’s own energy requirements.

Solar Power Project Details

Client: The City of Sydney Council
Location: 343 George Street, Sydney CBD
Date Completed: July 2013
Solar system peak capacity: 7.75 kWp
Module: 31 x Trina Solar 250W
Inverter: 1 x SMA SMA STP8000TL-20
Green savings: 12 tonnes of emissions per annum
Solar electricity generated: 12.1MWh per annum

Challenges

The key challenges designing and installing the 343 George Street Ballast Solar Power System include:

  • Solgen Energy managed all the required approvals and inspections required by the local authorities. The building at 343 George Street is heritage listed and required specific planning approvals before Solgen Energy was able to proceed with installing Solar Panel Project.
  • The system installation on the roof top of the 11 storey building in the centre of Sydney CBD meant that roof site access was limited and required a well organised logistics process.
  • In order to maintain the waterproofing integrity of the existing concrete roof, a non-penetration ballast solar panel mounting system was selected. The solar panel framing was specifically designed to install solar panels on flat roofs. Ballast incorporated into the solar panel framing is used to counteract forces imposed on the solar array by wind.

Solutions

Solgen Energy has a strong reputation for design and engineering excellence and was able to deliver a Solar Power System that achieved the maximum possible electricity output, while adhering to strict site regulations for the heritage building.

The Solgen Energy Clean Energy Council (CEC) Accredited Engineers designed a special ballast mounting system for this Solar Panel Project to mount the solar system onto the flat concrete roof without penetrating the waterproof membrane. This special solar panel ballast mounting system was required to be structurally certified to handle the high wind loads experienced at 11 storeys high.

Solgen Energy’s exceptional planning and project management capabilities delivered over 3 tonnes special ballast for the mounting system on the roof top of the 11 storey building while maintaining public access around the building area throughout.

Benefits

The key benefits of the ballast solar power installation at 343 George Street under the City of Sydney Solar Project include:

  • Green savings over 12 tonnes of emissions annually
  • Produces 12.1MWh per year of electricity from renewable sources
  • Reduces the need to invest in new coal-fired power stations and network upgrades

To enquire about how solar can facilitate your business, contact our energy consultants today.

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