13 November 2008 | Luca Del Buono

 

Renewable energy, such as wind, solar and hydropower, will overtake gas to become the second largest source of electricity behind coal by 2015, the International Energy Agency (IEA) said on Wednesday.

That was under a pessimistic forecast for a global climate response, not taking into account a possible hardening of action to penalize greenhouse gases and support low-carbon renewables -- which would see even faster growth.

"Renewables-based electricity generation is expected to grow substantially over the coming decades, benefiting from high fossil-fuel prices, declining investment costs and government support," said the IEA's World Energy Outlook, the setpiece, annual report by the energy adviser to 28 rich countries.

Renewable energy would become mainstream, as the prices of rival gas and coal remained high while the cost of low-carbon alternatives declines as a result of technology advances and government financial backing.

One problem area was the reputation of biofuels, which compete with food crops for limited agricultural land, and some of which deliver limited greenhouse gas emissions cuts compared to conventional fossil fuels.

One of the fastest growing sectors would be offshore wind, its contribution growing more than 100-fold under current trends by 2030, even not allowing for an ambitious global deal to fight climate change.

But no climate deal would see long-term average global temperatures rise by up to 6 degrees Celsius, a disastrous outcome which implies more ambitious policy steps were likely.

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Source: Reuters

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