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Reference scenario
The most conservative ‘Reference’ scenario is based on the projections in the 2009 World Energy Outlook from the International Energy Agency (IEA). This takes into account only existing policies and measures, but includes assumptions such as continuing electricity and gas market reform, the liberalization of cross-border energy trade and recent policies aimed at combating pollution. The IEA’s figures only go out to the year 2030, but based on these assumptions, DLR has extrapolated both the overall Reference scenario and the growth of wind power up to 2050.
Moderate scenario
The ‘Moderate’ scenario takes into account all policy measures to support renewable energy either already enacted or in the planning stages around the world. It also assumes that the targets set by many countries for either renewables, emissions reductions and/or wind energy are successfully implemented,as well as the modest implementation of new policies aimed at pollution and carbon emission reduction, and increased energy security. It also takes into account environmental and energy policy measures that were part of many government economic stimulus packages implemented since late 2008.
Up to 2014 the figures for installed capacity are closer to being forecasts than scenarios. This is because the data available from the wind energy industry shows the expected growth of worldwide markets over the next five years based on orders for wind turbines already committed, existing legislative programmes and targets, as well as known manufacturing capacity expansion plans. After 2014 the pattern of development is more difficult to anticipate.
Advanced scenario
The most ambitious scenario, the ‘Advanced’ version examines the extent to which this industry could grow in a best case ‘wind energy vision’. The assumption here is a clear and unambiguous commitment to renewable energy as per the industry’s recommendations, along with the political will necessary to carry it forward. While again, the development after 2014 is more difficult to predict, this scenario is designed to show what the wind energy sector could achieve if it were given the political commitment and encouragement it deserves in light of the twin crises of energy security and global climate change.
Source: Global Wind Energy Outlook 2010
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