The federal government has been buying about nine million kilowatt hours of wind power annually to light the Statue of Liberty and Ellis Island.

Experts say the mayor’s plan would be complicated, expensive and barely begin to meet the growth in demand for electricity that is expected in the coming years.

Mayor Michael R. Bloomberg is seeking to put wind turbines on New York City’s bridges and skyscrapers and in its waters as part of a push to develop renewable energy.

The wind industry has arrived in force in upstate New York, but some residents say the companies have brought with them an epidemic of corruption and intimidation.

An administrative law judge advised state regulators on Monday to block Iberdrola’s bid to buy Energy East, citing anticompetitive concerns.

Executives of Iberdrola S.A., of Spain, said it would invest $2 billion in wind turbines upstate if the state’s Public Service Commission approves its purchase of Energy East.