Last week the world of solar gathered at InterSolar in San Francisco. After a tough year in 2012, there is some reason to be optimist: solar as a source of energy is now cost competitive with traditional sources of energy like coal. As a result, the production of solar power on the grid has soared according to the Energy Industry Association, and the market for roof-top installations continues to be healthy with a year-over-year increase in capacity above 50%.
At the same time the level of Government subsidies is coming down around the world, especially in California with the sunsetting of California Storage Initiative. This means new challenges and new opportunities. We review here the top-5 trends in solar.