Solar and photovoltaic rooftop roofing shingles have made somewhat of a comeback in the past few years due to the federal and state tax incentives for going green plus the electrical credit you can get from giving your unused wattage back to the state (a perfect incentive for those of us who live in hot states like Colorado, Arizona or California). There's also been increasing concern over dwindling natural resources and a desire to save money and lower utility bills.

If you're thinking of adding solar Rooftop Roofing tiles to your home during your Denver rooftop roofing project, there are several things you should consider before doing so.

Solar roofing panels weren't very popular back in the 1970's, because of the size, but recent technological advancements in the past five years had led solar powered roof shingles that are compact, aesthetic and blend seamlessly in with other roofing shingles.

These new roofing systems in Denver are called "building-integrated photovoltaics" or BIPVs for short. They are composed of cells and combine with metal, fiber-cement, slate and even asphalt Rooftop Roofing. The cells themselves use sunlight to generate electricity through a semiconductor layer of silicon crystal laminated on the roof shingles surface. All by itself, one rooftop shingle isn't going to generate a lot of power (usually between 50-200 watts), but if you link them together to cover a few hundred square feet, then you'll generate enough electricity to power an entire home. These solar Denver rooftop roofing shingles are installed over the sheathing that already resides on your rooftop and then is subsequently wired by your Denver roofing contractor into your home's system.

If you're planning to go solar and install solar rooftop roofing tiles on your home in Denver, it doesn't mean you have cut off your electricity from the local power grid. The majority of BIPVs out there work in conjunction with the existing power lines surrounding your home. They draw power from them usually after sundown or on a rainy day when the rooftop shingles don't take in much sunlight.

If you end up creating more electricity than you need using these solar rooftop roofing tiles in Denver (this happens often in California and Arizona) there at least thirty nine states that will allow you to sell the unused wattage to the local utility for a nice credit. Ironically, this makes your electrical meter go backwards. One example of this roofing system affecting a positive change is the case of Sheri Gage. She opted for BIPV integration into her house. The system itself cost about $15,000, which she was able to roll into her mortgage. At this point in time, her electrical bill runs less than 4 dollars a month.

Noah Kaye has been quoted as saying, "The cost of generating solar electricity has fallen ninety five percent since the 1970s." This was before the federal/state tax incentives for installing solar roofing. Although, this is a positive message for people looking to incorporate solar panels into their roofs, it still doesn't mean it's cheap. You have to factor in equipment and rooftop roofing installation costs in Denver Also, the price of a solar kilowatt-hour (the amount of energy required to run a 100 watt light bulb for an hour) is around 25 cents compared to about 10 cents for a kilowatt-hour of electricity produced from natural gas or coal.

If you want to be economical with your solar rooftop roofing installation, this will depend upon where you live. If your home is in a sunny state you'll collect more solar power using the rooftop tiles, but the credit will depend upon local electricity rates. Noah Kaye says, "If you have a 2 kilowatt PV system in Albuquerque, New Mexico, it produces twenty five percent more electricity than a system in Boston, but the savings are greater in Boston, since electricity there costs so much more."

So if the high cost of installing solar panel roofing is keeping you from taking advantage of what it has to offer, a time will come soon when the increased demand for PV systems will make the technology cheaper. Kaye says, "We think it's possible to make solar cost-competitive with retail prices, without subsidies, within the next decade." There a lot of companies out there pouring time and money into creating simpler and easier to install BIPV roofing systems. One example is Atlantis Energy Systems who have figured out how to place PV cells in-between semitransparent glass panels. This marks the future for super-powered skylights and solar rooftop roofing shingles for your Denver roofing.

Solar paint is slowly becoming a reality in everyday life, or so cadres of researchers in the UK are saying. Think of a thin layer of this technological wonder coating every crevice of your house and rooftop, all without the maintenance and expensive installation of solar rooftop tiles.

The rooftop paint itself would be a based upon a culture of dye-sensitized solar cells. Instead of using silicon to take in sunlight from your rooftop, they will use dye molecules bound to particles of titanium dioxide pigment, which is usually what is found in rooftop paints.

Transferring the electricity generated by the sunlight through the rooftop layers would involve installing another layer of electrolyte beneath the solar rooftop paint. The electrolyte would then pull the extra energy into a collection circuit before they could cycle back to the dye paint.

The process of applying the paint to premade walls or roofing materials would require 4 layers: one for normal paint, then the electrolyte layer, then the dye layer and finally a film that would protect against harsh elements.

Unfortunately, this rooftop or exterior home system seems less efficient than the typical solar rooftop tiles, but also costs less to install and can be applied as a simple liquid paste.

As of now, though, this rooftop paint miracle is being researched and developed heavily by several companies including the steel manufacturer, Corus.

Ask your Denver roofing company about the solar rooftop paint options available in your area.