Solar panels (arrays of photvoltaic cells) make use of renewable energy from the sun, and are a clean and environmentally sound means of collecting solar energy.
Solar Panels are typically installed on rooftops, building tops, or stand-alone facilities. It is vital to install your solar panel so that it gets the most direct sun exposure - you want to make sure your solar panel is maximally effective year round.
Solar power is fast becoming price competitive with conventional energy sources, and in states like California, New Jersey, Arizona, Colorado, and more, there are great rebates and incentives in place to compensate you for the power you produce and help offset your initial investment cost.
Solar Electric (PV)
Solar electricity is created by using Photovoltaic (PV) technology by converting solar energy into solar electricity from sunlight. Photovoltaic systems use sunlight to power ordinary electrical equipment, for example, household appliances, computers and lighting. The photovoltaic (PV) process converts free solar energy - the most abundant energy source on the planet - directly into solar power.
PV equipment has no moving parts and as a result requires minimal maintenance. It generates solar electricity without producing emissions of greenhouse or any other gases, and its operation is virtually silent.
Solar Hot Water
In many cases, a solar hot water system will harvest more energy at a substantially lower cost than solar-electric (photovoltaic; PV) systems. In fact, compared to PVs, solar hot water (SHW) collectors are more than three times as efficient at producing energy from the sun. It is estimated that a thoughtfully designed SHW system could shave 60 to 70 percent off your household water heating costs at least for some portion of the year. To get the most for your money, you´ll want a properly sized system that offers the best performance in your climate.
The type of system you choose will depend mostly on your climate. Freeze-free environments allow for simple, low cost designs. A batch heater uses a storage tank as a collector. A direct pump system circulates water from a collector to a storage tank. A thermosiphon system requires no pump for circulation, just the natural flow of gravity.