The $20 billion takeover of Australia’s second-largest energy retailer Origin Energy has officially fallen over as enough shareholders at the company’s extraordinary general meeting voted against the deal. Sky News Business Editor Ross Greenwood said Brookfield and EIG made the offer along with a “commitment to spend another $30 billion in the coming decade to fund Origin’s transition to renewable energy sources. “But the takeover was especially opposed by Australia’s biggest superannuation fund Australian Super – which bought 17 per cent of Origin’s shares,” he said “Today as the takeover was voted down, shareholders in the room expressed their approval. “Origin…