Our (Australia’s) renewable power at the moment is bottlenecked by low storage. Once the storage is present to soak up excess generation during the day, investment in generation will probably pick up again.
We have so much solar power during the day that wholesale prices go negative and in six months they will be required to make it free during the day to try and shift usage to when the excess generation occurs.
Also this is investors complaining about large solar farms while not talking about distributed home solar.
She said some state planning changes and an ongoing review of the National Electricity Market could be causing uncertainty, but that large-scale renewable energy developments were often marginal investments and the underwriting program needed to offer more support for each project that received a contract.
“The structural issues include state planning delays, grid connection uncertainty, transmission constraints, rising project costs and lack of long-term revenue certainty,” he said.
Investors only concern is how they charge people for sunshine. There are parts of Australia where home solar generation just works.
What’s the goss on the free electricity at mid day?
ABC news on the Solar Sharer Scheme
One thing the article mentions halfway through is that some retailers already offer free power at certain times. E.g. AGL has 10am-1pm “three for free”, OVO energy has “Free 3” 11am-2pm, Red Energy’s “Red EV Saver”, GloBird Energy’s “ZeroHero” plans. Wholesale resellers like Amber and Flow will generally offer free power anytime the wholesale price is negative (usually around 10-4 most sunny days).