Hi @Tom,
@tallakt and me were right about a high level of funding predictions for:
The question here looks clear also, and could be sustained with https://www.ampyxpower.com/wp/wp-content/uploads/2018/04/Public-Summary-Final.pdf. The predictions can be more difficult as it is an utility-scale long term prediction. If there are no reliable news about AP 3, waiting time for AP 4 could be very long.
To be clear I think crosswind AWES suffer from:
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Small power/land or sea and space use ratio, taking account of difficult secondary use due to fast moving tether with high tension.
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Irregular power due to different tether angles during the flight figure.
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Safety concerns for a 3.5 tons wing going fast with only an active automated control.
Adding for yoyo:
- recovery phase requiring gaps within a kite-farm, or a temporary storage for a single unity.