“The cost of supporting renewable energies is veryhigh, even though it has so far not brought the social and economic benefitsexpected,” the Cour des Comptes, a quasi-judicial body said.

The agency said the government needs to better targetrenewable energy subsidies, after the €14.3bn ($19bn) it spent from 2005 to2011 failed to spur as much economic growth and create as many jobs as hoped.

The