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by TheSpiceIsLife
149 days ago
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> (which means less price pressure linked to LNG prices, if you're not into the co2 aspect) No it doesn’t. The arbitration is only possible because the battery storage providers can ever so slightly undercut the gas peakers. The price pressure is still linked to the LNG price. |
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I think you underestimate the cost of running a grid battery, you need to be able to undercut significantly to make profit.
Its not like you can practically keep the battery at 98% for 7 days waiting for the right time to discharge, its not that simple.
The aim is to make as much money, but the markets you can join are regulated (in the UK)
You can be a grid stabilisation service (paid to be at % percent battery and turn on/off in milliseconds to keep the frequency from going too high or low)
You can be intra day, or day ahead. but you're not likley to be dayahead because you're rated at x Mw for n hours. The stuff that I know about in iberia is ~100-300Mw for 3 hours. Again spain is a special case because the market is peer to peer through PPA.
I digress.
The point is sure last year there wasn't really enough battery to affect peak price(in the UK), but now there is 19 gwhr. assuming its all rated for 3 hours, that around 18 % of total generating capacity for 5-8pm.
Now as there is a mix of cfd and other financial things that actually affect price, it doesn't quite work like that in the UK.