It started with a solar boom, many small home scale solar roofs popping up everywhere. Australia has a free trade agreement with much of the world, including China, and solar panels have literally dropped to 1/50th of the price they were in 1990 ($10/W to $0.2/W today). A shout out to the work that was done to establish dynamic grid pricing too. Anyway that caused power prices to reliably go negative during the day a…
free trade's amazing, seriously! Time was, mercantilist countries would use foreign colonies for resource extraction; and sell the goods manufactured with these resources back to them. It was great for everyone!
This helped produce the huge "imperial preference" controversy within the Conservative party in the late 1800s and contributed to the rise of the Liberals. Hardliners like Joseph Chamberlain refused to bend on external tariffs, so disaffected Tories like Winston Churchill defected in advocacy of free trade/cheaper goods being more important than blindly "pro-Empire" economics that were no longer competitive in the global market.