Germany went from envy of the world to the worst-performing major developed economy. What happened?

For most of this century, Germany racked up one economic success after another, dominating global markets for high-end products like luxury cars and industrial machinery, selling so much to the rest of the world that half the economy ran on exports.

Jobs were plentiful and the government's financial coffers grew as other European countries drowned in debt, and books were written about what other countries could learn from Germany.

No longer. 

Now, Germany is the world’s worst-performing major developed economy, with both the International Monetary Fund and European Union expecting it to shrink this year.

It follows Russia's invasion of Ukraine and the loss of Moscow's cheap natural gas — an unprecedented shock to Germany’s energy-intensive industries, long the manufacturing powerhouse of Europe.

The sudden underperformance by Europe's largest economy has set off a wave of criticism, handwringing and debate about the way forward.

Germany risks “de-industrialisation” as high energy costs and government inaction on other chronic problems threaten to send new factories and high-paying jobs elsewhere, said Christian Kullmann, CEO of major German chemical company Evonik Industries AG.

From his 21st-floor office in the west German town of Essen, Kullmann points out the symbols of earlier success across the historic Ruhr Valley industrial region: smokestacks from metal plants, giant heaps of waste from now-shuttered coal mines, a massive BP oil refinery and Evonik's sprawling chemical production facility.

These days, the former mining region is a symbol of the energy transition, dotted with wind turbines and green space.

The loss of cheap Russian natural gas needed to power factories “painfully damaged the business model of the German