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Re:Ask HN: What interesting problems are you working on? by galacticdessert on Wednesday January 29, 2020 @06:36AM (#22179465)
A lot of money seems excessive, at least in Europe. The flexibility market profitability depends a lot on the national market it plays in, as for instance the prices are quite low in Germany/north Europe, but very high in Australia.

Rather than a way of making money, I like to think about flexibility and fast dispatching as an enabler for way more renewables to come online, and that is crucial for the human race right now.

Re:Ask HN: What interesting problems are you working on? by davedx on Wednesday January 29, 2020 @07:03AM (#22179603)
Makes sense -- the grid storage system I read about was indeed the one they built for the Australian wind farm.

I think there's a big gap for both types of storage - fast dispatching for intraday demand variations, replacing gas peakers, and more static storage as in the OP for multi-day gaps in renewable production such as periods of high pressure during winter when wind speeds and irradiance are both very low.

Can't wait to see how this market develops.