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Ellis, Jane and Peake, Stephen
(1996).
DOI: https://doi.org/10.1016/0960-1481(96)88487-4
Abstract
Although promotion of renewable energy in countries of the International Energy Agency is not new, many countries have intensified their efforts in this area over the 1990s. The most widespread measures used are financial incentives, but voluntary agreements, and green pricing and targets are becoming more common. As a result, the use of some renewables has increased since 1990, especially for electricity generation. However, geothermal, solar and wind energy account for only 0.7% of total IEA energy supply and their contribution will remain small as long as their cost remains above that of competing fuel supplies.