The EU's Common Agricultural Policy contained a number of subsidies for wine producers, leading to a supply glut.
[1][3] In 2007 it was reported that for the previous several vintages, Europe had been producing 1.7 billion more bottles of wine than they sold.
[4] A major contributor was reported to be Languedoc-Roussillon wine production, which used one third of the grapes grown in France.
One of the proposed remedies to wine lake was Plan Bordeaux, an initiative introduced in 2005 by the French vintners association ONIVINS to reduce France's production and raise prices.
[6] In 2020, wine growers warned that the EU risked another massive surplus due to the effects of the COVID-19 pandemic,[1] particularly the restaurant closures.