battery farm on site of old coal power stations

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whimpurinter
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battery farm on site of old coal power stations

Post by whimpurinter »

Hi All :)
What do you think of the siting of a large battery farm on the site of a disused coal-fired power station. (Origin Energy)
They're talking about the advantage of being able to use the transformers, power distribution equipment etc.
There are reasons for putting Coal-Fired power stations where they are but does it make sense to limit the battery-farm sites to these same locations.
Thinking of the voltage drop over distance and also maybe the advantage of placing a battery farm on an elevated piece of land to take advantage of wind for cooling.
Maybe such a farm could be placed along the same power line direction but much closer to their usual customers where this can be achieved, and moving the relevant equipment to this closer site.
Of course, such lines might radiate out in all directions but there still could be a better place with reasonably short connecting lines to connect up to radiating power line directions.
What is a better course of action which might not only take into account the cheapest outcome. :)
TyTower
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Re: battery farm on site of old coal power stations

Post by TyTower »

My initial thought was what a good move . Use the infra structure already set-up and save demolition and waste . Transmission would be by 64Kv lines anyway and in A/C so no more lossy than the original.

Take into account the future advances in battery technology . Hydrogen might be better sited out there for a start and anything involving radiation hazard also. Fuel cells and possible fusion etc.
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coulomb
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Re: battery farm on site of old coal power stations

Post by coulomb »

TyTower wrote: Sat, 16 Jan 2021, 06:59 My initial thought was what a good move.
I thought so too. Especially since that coal fired station is Australia's largest, and isn't due to be decommissioned for many years yet. It seems that coal fired power generators get rather unreliable near the end of their life, so Origin want it the battery nearby to take over in an instant any time the coal generator spits the dummy. So they can stage the construction of the battery, starting with a smaller chunk of it and adding it on, and it has immediate utility. I can imaging that it helps all around to stage the construction: cells for the battery might not be available all at once, it takes time to prepare such a huge site, finding enough construction workers, all the intermediate electronics, and so on. Not to mention finding all the dollarydoos to finance it all.
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antiscab
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Re: battery farm on site of old coal power stations

Post by antiscab »

The station itself would likely be converted to a synchronous condenser too, so the infrastructure would need to be maintained into the future anyway
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coulomb
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Re: battery farm on site of old coal power stations

Post by coulomb »

antiscab wrote: Sat, 16 Jan 2021, 07:36 The station itself would likely be converted to a synchronous condenser too,
Interesting. I imagine that the alternator part of a power station would last much longer than the boiler and turbine parts; the latter operate at high temperatures. I'm guessing that the slip rings and associated brushes would be the only things that would need any maintenance.
Nissan Leaf 2012 with new battery May 2019.
5650 W solar, 2xPIP-4048MS inverters, 16 kWh battery.
1.4 kW solar with 1.2 kW Latronics inverter and FIT.
160 W solar, 2.5 kWh 24 V battery for lights.
Patching PIP-4048/5048 inverter-chargers.
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jonescg
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Re: battery farm on site of old coal power stations

Post by jonescg »

Normally SynCons are filled with hydrogen and the bearings are from NASA because it sits there spinning 24/7. Not sure if the generators are as easily adapted though.
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OzSpider
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Re: battery farm on site of old coal power stations

Post by OzSpider »

Reads like good news story but really it's to make the coal fired station viable for longer by smoothing out the load curve the power station sees. Hence located behind the meter on location at the power station.

I was in a grid scale hydrogen conference and understood from that session that Stanwell Power is heading that way, to use hydrogen generation as a variable load to prop up the coal. Big batteries serve a similar purpose albeit smaller and finite variable load to absorb power from the coal station when renewables are dominating the daily cycle. So not to store solar energy, but to store coal power.

Won't save the ultimate death of coal power, but will certainly slow it's extinction.
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