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AIE: 45 000 billions of dollars to develop the Enr
(src: IEA)
The International Energy Agency (IEA) is calling on policy makers to put strong measures in place to target 50% of the world's renewable electricity supply. A high level, but the Agency considers it necessary to halve CO2 emissions by 2050 and minimize the impacts of climate change.
To achieve such a goal, 45 trillion dollars of investments will be necessary by 000, estimates a new report presented Monday in Berlin. For Nabuo Tanaka, director of the IEA, it is above all a question of redirecting existing expenditure towards renewable energies. "We don't think it's a large sum," he said.

Achieving this "will require unprecedented political commitment as well as effective design and implementation." "Only a limited number of countries have implemented effective policies to support renewable energy, there is great potential for improvement."

For the first time, the IEA has conducted a comparative study of the mechanisms put in place around the world to promote renewable energies. The analysis notes that in recent years, some countries have made considerable progress, with a significant expansion of markets.

The study covers 35 countries, including members of the OECD and BRICS: Brazil, Russia, India, China and South Africa, and considers the three key positions of power generation: electricity, heating and transportation. In 2005, these 35 countries accounted for 80% of commercial renewable electricity production, 77% of renewable heat (excluding traditional biomass use) and 98% of renewable fuel.

The report highlights the obstacles to the rapid expansion of renewable energies, and increases the costs of their development.

"Putting a price on carbon is not enough," argued Mr Tanaka. "In order to foster a smooth and efficient transition towards the integration of renewable energies in mass markets, renewable energy policies should be designed around fundamental principles, embedded in predictable, transparent and stable political principles, and implemented. works through an integrated approach. "

According to the study, renewable energy policies should reflect 5 key principles:

The removal of non-economic barriers, such as administrative procedures, obstacles to access to the network, poor design of the electricity market, lack of information and training, and the fight for social acceptance (NIMBY : "Not in my garden")
The need for a predictable and transparent support framework to attract investment.
The introduction of transition incentives, lowered over time, to encourage and monitor technological innovation and rapidly shift technologies to a competitive market.
The development and implementation of appropriate incentive measures to ensure a specific level of support for different technologies according to their degree of technological maturity, in order to exploit the considerable potential of the wide range of solutions.
Consideration of the large-scale impact of renewable energy technologies on the general energy system, particularly in liberalized markets, in terms of system costs and efficiency.
"Governments must take emergency measures," Tanaka concluded. "We encourage them to carefully develop policy frameworks suited to technologies at different levels of maturity, and possibly apply appropriate incentives, such as carbon pricing, for more mature renewables. Migration to a strong portfolio renewable energy technologies for full market integration is one of the key elements we need to make the energy technology revolution happen. "

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