If anything, the vast amount of empty space makes large-scale facilities of any kind easier.
Exactly. Germany's one of the countries with the highest population density. There's simply no room for wind turbines or big solar panel fields or big farms for bio-fuel crop. And yet we manage to cramp them in somewhere.
Don't complain - invent! That once has made the U.S.A. one of the most successful countries of the world.