Let's take a look. Not at Denmark, or Portugal or Germany. How about, say, Colorado? Here's a report on how Colorado's 2004 initiative for renewable energy sources has worked out so far.
Here's the information for homeonwers on the Colorado governor's website. Here's a series of Colorado's pubs on conservation and renewable energy.
Colorado, BTW, ranks 24th in level of unemployment with just over 5%. Twenty-six states have higher unemployment. Colorado's median household income [over 50.6K per year] is above that of more than thirty states.