California cities make up five of the nation's 15 most solar-friendly cities, according to a report by the  Environment California Research and Policy Center . Los Angeles and San Diego top the list, having installed the highest and second-highest solar photovoltaic (PV) capacities in the country, r... Read More


Google certainly wants you to turn to solar energy. The company's recently unveiled Project Sunroof an online tool that analyzes satellite images of your home or building and calculates its solar power potential. Then, after constructing a 3-D model of your rooftop, the tool provides an estimate reg... Read More


The Navy announced last week that it will buy power from a massive solar farm in Arizona to help power 14 military installations in what is the largest renewable energy purchase by the U.S. government to date. The solar facility is currently under construction about 60 miles west of Phoenix, and i... Read More


In this post, we highlight some of the most important breakthroughs of the last 176 years in solar energy technology and policy: 1839 : Edmond Bequerel, a budding 19-year-old Parisian scientist, discovered the photovoltaic effect when he realized that two electrodes in an electricity-conducting so... Read More


Solar energy was first idealized as an unlimited resource that would require little maintenance and produce zero-emissions. As the cost of solar panels has dropped since those early days, making residential solar panel installation not only realistic, but marketable, even more benefits have become a... Read More


The first question you, as a homeowner, must ask yourself is, "Is solar power worth it for me?" For a vast number of Americans, this answer is a loud and resounding yes. Not only can you work towards saving the environment through less dependence on fossil fuels to power your home, but you can also... Read More


There are several factors that determine how many solar panels you will need for your home.  In this post we will explain how your historic electricity consumption, available roof space, the azimuth of your home, shading, soiling, and equipment selection effect the number of panels you need. How Man... Read More


Running automatically and virtually silently, it can be easy to forget solar panels are even there. As self-sustaining as they are, however, the efficiency of your residential solar panels can benefit from some basic maintenance you can do right at home. Here, we describe three tips to help your sol... Read More


Last year California made impressive strides in solar energy, nearly tripling the output of its utility-scale plants in 2013 to produce a record-setting 9.9 million megawatt hours (MWh) of electricity in 2014. That was more than three times the output of the next-highest state, Arizona, and more tha... Read More


Three of California's largest cities – Fresno, Bakersfield and San Jose — recently were the cause of celebration for the Pacific Gas and Electric Company (PG&E), where each of these places helped them surpass 10,000 solar customers who were connected to its electric grid, according to the Busine... Read More


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