Although the site is Australian, the cost info is from Colorado, the US already has anti-dumping levies on Chinese solar which will be reflect in bids so yes it does take solar subsidies into account. It doesn't however account for government subsidies of coal.

I thought the US just added anti-dumping levies. If so, the price wouldn't reflect that change yet.

As to the coal, fair point.

Or, alternatively, the thumbs put on the scale by any other government for any energy source. Maybe the Trump admin tacking a 30% tariff on non-US solar benefits non-US solar in other markets -- there's less demand for the current supply.

From the point of view of the australian government, does it matter?

Wind + batteries came out cheaper than solar + batteries so I guess the chinese subsidies were not that critical.