Solar power currently constitutes nearly 1% of the world’s electricity generation, but the growth of the global solar industry is faster than ever before.

The increasing demand for solar power and solar facilities such as solar panels and rooftop solar system has led to an increase in R&D spending by the world’s leading solar companies.

Rooftop solar power plant, even said rooftop solar system, is a photovoltaic plant that has its pv panels installed on the roof of a building. The urban environment provides a large amount of empty rooftop spaces and can inherently avoid the potential land use and environmental concerns.

Excluding any incentive rates, the biggest advantage of a solar rooftop system is the possibility to consume directly the energy produced by the pv plant (self-consumption), thus allowing you to reduce the energy taken from the grid and thus the cost of the electric bill.

Solar energy—harvesting the power of the sun through the use of photo-electric panels or other collection techniques—is no longer just an "Green Dream" or a concept that universities and businesses experiment with. Today, there are practical ways that you can make use of solar energy in your home. As with any technological advancement, there are investment costs to consider, but more and more homeowners are beginning to make everyday use of this most basic source of renewable energy.

"Going solar" no longer means that you have to invest tens of thousands of dollars to cover your roof with solar panels (though you can still do that if you're really serious about renewable energy). There are now a variety of stand-alone solar-powered devices that serve essential practical purposes, as well as DIY- friendly solar panel kits let just about anyone create a small solar system for custom uses.

Solar Energy Technologies be like:
Photovoltaic Systems
Producing electricity directly from sunlight.
Solar Hot Water
Heating water with solar energy.
Solar Electricity
Using the sun's heat to produce electricity.
Passive Solar Heating and Daylighting
Using solar energy to heat and light buildings.
Solar Process Space Heating and Cooling
Industrial and commercial uses of the sun's heat.