Ann: Quarterly Activities Report, page-68

This article from the S****Ca** blog largely talks about the difficulties renewable energy companies are experiencing in Europe (though it varies markedly between nations) but the author also comments (about increased costs):

"...The high costs and challenges described are pervasive within the Australia renewable energy sector.

These issues, including elevated expenses due to unforeseen disruptions in the supply chain and shortages in labor, are actually more pronounced in Australia compared to many other nations.

This situation casts doubt on the feasibility of various projects, notably those in renewable energy, amidst the country's substantial $113 billion infrastructure agenda, and highlights the need for fossil fuels, such as natural gas..."