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Ian's avatar

A 4th reason could be the impact that domestic solar has on commercial solar. As domestic solar continues its inevitable increase the value that commercial solar offers inevitibly declines.

Commercial wind does not compete with domestic wind, as domestic wind simply does not work.

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Mike Parr's avatar

In terms of the numbers - little to disagree with. However, the narrative focuses on "value" (and declining value for RES/PV) but circles around the reason for that - surplus elec looking for a home. The current mainstream narrative (fantasy?) is that "markets'll fix it" - which of course they won/'t/can't & at the risk of sounding like a broken record - markets functionally can only "do" cost optimisation - that's all (as any macro economist will tell you). Missing is storage - again, market fantasists think that "price signals" will do the trick. The charts suggest otherwise. All of this was obvious years back - e.g. look at charts for Spain - try 2019 vs 2020 for a view of a price collapsing future for RES MWh (due to rising RES and falling demand due to Covid). Repeating: what is needed is a policy that mandates the build out of storage to match RES development. Batts don't scale, electrolysers/H2 does. You could also throw in air-con with cold storage for hot & sunny regions (thus attacking the duck curve). None of this is hard - begging the question: why is it not being done?

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