As he prepares his trip to Scotland in a few days for the United Nations conference on climate change (COP26), Joe Biden badly needs to display his "green" commitments.
However, it is still uncertain whether Congress will pass its ambitious social spending plan and new programs to decarbonise the US economy.
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On the other hand, the White House begins without further delay the official prospecting necessary in order to delimit and rent, by 2025, seven zones off the American coast to build wind farms by 2030.
Only one fleet at sea is currently in service.
The initiative, which covers the Atlantic coasts from Maine to the Carolinas, the coast of the Gulf of Mexico and areas off California and Oregon, is to result in the construction of 30 gigawatts of capacity.
This is the equivalent of the power of around thirty nuclear reactors of the Fessenheim type, the limit of the comparison being the intermittence of wind energy.
These parks could supply 22 million American homes.
The White House evokes a cost of 12 billion for this project, without details.
A plan under discussion of 150 billion dollars
Its achievement is essential if Joe Biden is to keep his commitment to reduce US greenhouse gas emissions by 50% from their 2005 level by 2030. Between 2005 and 2019, according to the Global Carbon Atlas website, they have fallen by 15%.
Once the seven zones have been delimited, the local authorities, associations of residents, fishermen and other lobbies such as tourism, will be consulted.
The plan under discussion in Congress includes $ 150 billion to encourage private electricity distributors to purchase power from carbon-free renewable sources.