Generation of electricity and heat

Is it possible to generate electricity at home from natural gas? Is there a small cogeneration? How it works Is it applicable to homes, hotels, hospitals and businesses? What are the benefits? What is the cost? Are there equipment on the market like this? What is the international experience on this? Do I need a change in Spanish law? Are there examples of successful micro-cogeneration in Cantabria and the rest of Spain? What role can the Energy Service Companies? What support the government provide? These and more questions answered by the