Study to shine light on solar power potential of government facilities

Ian Bushnell 15 June 2021 4
Mondiaux Solar, solar panel installation

Mondiaux Solar installing solar PV systems on Monash Primary School. Photo: Supplied.

Work is underway that could lead to hundreds more ACT Government facilities becoming solar powerhouses.

Renewable energy consultant IT Power is conducting a desktop review of the solar photovoltaic (PV) and battery storage potential of Territory facilities that could lead to the installation of this technology.

It is assessing the feasibility, potential benefits and optimal size of solar PV and battery storage at 233 government facilities.

The Government wants to know how much generation space there is either on rooftops or on the ground, how much electricity could be generated at each site and what the savings and emission reductions would be.

It envisages some facilities being self-sufficient or storing excess electricity in batteries or feeding back into the grid.

The review will make recommendations on the most appropriate systems to install and how much they will cost, including financial modelling that outlines the payback period and internal rate of return for solar PV and battery storage systems.

It will provide an economic analysis for the life of a system including the inverter/battery replacement costs.


READ ALSO: Is it worth adding a battery to your home’s solar system?


Minister for Emissions Reduction, Shane Rattenbury said assessing the generating potential of government facilities was an important part of cutting greenhouse gas emissions and taking the ACT to a “clean, green energy future”.

He said the Government had already installed solar power on over 170 of its buildings with a combined solar generation capacity of more than 4500kW.

“ACT Government buildings are already powerhouses and I see the potential to increase their solar generation capacity in the future,” he said.

Mr Rattenbury said solar power was a well-tested and cost-effective way to reduce government operating costs and power bills.

“When combined with energy storage, this offers further opportunities to manage energy supply and demand to minimise costs and emissions,” he said.

Mr Rattenbury said the aim was not to make buildings completely energy self-sufficient or to disconnect from the grid.

“Adding more solar power can further reduce power bills and, in some cases, contribute clean energy to the grid. Batteries can also provide greater flexibility in responding to energy market conditions,” he said.

Mr Rattenbury said Canberra’s rooftops played a large and increasing role in the ACT’s 100 per cent renewable electricity supply with the number of solar generators increasing by more than 17 per cent during the last financial year.

“I encourage households and businesses to explore all options to save money and reduce emissions, including solar power, energy storage, efficient electric appliances and energy saving behaviours,” he said.

“Solar offers households cost benefits and flexibility options. It also means we generate more of our 100 per cent renewable energy right here in the ACT.”

The contract is worth $58,000.


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4 Responses to Study to shine light on solar power potential of government facilities
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Tom Worthington Tom Worthington 6:25 pm 16 Jun 21

Would be worth looking at collocating electric car charging at the same sites as photovoltaics and battery storage. That will save on cabling and also allow for vehicles to provide grid storage. https://blog.highereducationwhisperer.com/2021/04/will-electric-ute-save-grid.html

    Capital Retro Capital Retro 7:00 am 17 Jun 21

    What about the 100% renewables/emissions free government buys up all the abandoned service stations in the territory and converts them to EV charging points? The infrastructure is already there with ample queuing space for the few vehicles that will need charging.

    chewy14 chewy14 7:55 am 17 Jun 21

    Capital Retro,
    You’ve missed the point.

    The idea of collocating the charging points at the PV/Battery sites is for efficiency, meaning that the cars themselves provide storage and it would require less upgrades to the electricity network to manage the PV peaks during the day, smoothing demands.

    Your option wouldn’t really achieve much of anything. Petrol Stations are located where the tanks are, the electricity infrastructure wasn’t designed for the same purpose.

    Capital Retro Capital Retro 12:56 pm 17 Jun 21

    I should have stated the obvious namely most service station sites have ample space for both solar panels and batteries but I doubt if they would be used much as most local EV owners will be charging theirs at home.

    I suppose I have to concede that having an EV means you don’t have to make that weekly trip to the petrol station to fill the tank.

    For visiting EVs charging points are a necessity but already my observations are that the existing charging locations are rarely used. That’s why I said there will be few vehicles calling to purpose built PV and battery sites.

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