Renewable energy will account for a far larger share of global supply in 2050 than major oil companies or the International Energy Agency (IEA) expect, Oslo-based consultancy Rystad Energy said on Thursday. Its updated models show renewables meeting 74 per cent of total energy demand by 2050, compared to 43 per cent, 45 per cent and 69 per cent in the most aggressive scenarios from energy firms Equinor, Shell and BP.