Jun 11, 2026 – 10.30pmAustralia’s electricity sector has experienced the biggest productivity decline of any industry over the past 25 years as a maze of state and federal policies and an inability to build projects at speed drags on the country’s economic performance.Australia’s energy system has required $10 of investment for every $1 of output since 2001, compared with an economy-wide average of just over $2 for every $1 of output, according to new research by the Productivity Commission.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles