People would have never thought of applying solar energy to their households and businesses decades ago. Nowadays however, the solar energy usage can be widely seen in a broad range of green products, typically the garden lights, green street lamp, or street lights. Specifically,the mass is no longer satisfied with products manufactured, but tends to customize products according to respective demands. To this extent, production of one products involves not merely manufacturers, but also the consumers. Are we then, as time goes by, participating deeper in energy production as consumers?