PLANT TYPE

First before we talk about construction costs, we must distinguish and separate the system into two categories:

photovoltaic system for "net metering" (ie all those plants that are installed by private users for energy in the targeted amount to cover their annual energy requirement. Any excess electricity produced can not be sold to ENEL, but it forms an accumulation that can be consumed by the user within two years)

photovoltaic system for "production and sale." In this case we speak of "business" and usually of large systems, up to 150-200 kW, to produce large amounts of energy to be sold to ENEL. This produces two forms of revenue: the first arising from the energy bill, which is the recognition by the GSE (the Electrical Services Manager of the State) of a "tot" (incentive) for each kilowatt produced by the plant, the second from the sale Enel's electricity network, and poured prprio not intended for consumption. In this case, then adds an additional profit, ie the elimination of the amount of electricity bill.

COST OF A PHOTOVOLTAIC

It is not a correct operation will indicate the exact cost of a photovoltaic system. Each case is in its own right, since various factors may affect, beginning with issues related to urban-landscape type constraints, or structural constraints (roof and roof in poor condition) or to particular constraints such as the presence of asbestos, can not access to coverage, or peculiarities of the site where you go to install the panels .... In short, there are many variations that can affect the cost of the plant.

Important item is the quality of the material then being used. The recommendation is to NOT WANT TO SAVE MONEY ON PANELS: will be the primary source for the production of your energy. it is therefore necessary to move towards internationally renowned brands rather than relying on little-known sub-brands, not tested and may not under! This last point is crucial, since if the system does not correspond in every respect to requests for approval by the agencies, the State can not be paid incentive!

Another point on which are having to pay close attention WARRANTY AND SERVICE. An estimate that indicates a system "Turnkey" means certainly important, but it puts you away from bad surprises. Always check the guarantees on the products mentioned (and, as mentioned, the quality of the products) and the inclusions and exclusions on paperwork and installation of the plant.

Having said all that, we can still fix the approximate cost of a photovoltaic system of primary qualities (medium-high panels), with 3kw power, ie to cover the needs of a private house, on a roof is easily accessible, in good condition ( so no additional building work) and installed in a partially integrated, that is supported on the cover in a clockwise coplanar 19,500.00 euros + VAT at 10%

STROKE RECOVERY AND AMORTIZATION OF THE COST

The payback time depends on two factors: location- North - Central - South have different effects of sunlight, of course, to the benefit of the South. The more we are in the South, plus the PV panel produces. -orientation of the panels tilt and Azimuth is the angle in the vertical and horizontal panels. SOUTH academic ideals are oriented at an angle around 30 ° (although usually placed flush to the roof slope, ie 18 ° -20 °)

Calculating a geographical position in central Italy of a plant with a rated power 3 kW, located south of the roof designed to flush then with 20 ° tilt, the plant has a production ANNUAL 4000 KWH about

The cost of the system as seen is around 19,500.00 euros + VAT 10%.
The GSE, just because the system is coplanar and therefore PARTIALLY INTEGRATED, you will pay for each kilowatt produced euros 00:44. so for 4500 kw you produce, you will gain ANNUAL EURO 1760.00 . From this it follows that in little more than 11 years you have paid off the plant.

THE IMPETUS AND GSE 'GOVERNED BY A CONTRACT THAT HAS 20 YEARS OF LIFE. SUSPENSION ONCE THE INITIAL COST (11 YEARS AS SEEN) FOR 9 YEARS LATER YOU WILL ALSO GAIN OF AN APPROXIMATELY 18000.00 EURO!

But this is not the only source of income: your bill will be CLEARED , then spend more money does not mean that every two months (except for the various stamps and taxes) for the electric current. On average, for every Italian family, the cost fixed at around 700 per year .

THERE IS THE POSSIBILITY 'OF FINANCE TO DO THE ENTIRE AMOUNT FOR THE IMPLEMENTATION OF THE SYSTEM FROM A BANK THAT HAS SIGNED THE FRAMEWORK AGREEMENT WITH THE GSE -> see the list of banks
in this case, there is what the GSE, is diverted directly to bank rate to amortize the cost of financing. In doing so, with today's rates, you will repay the facility in about 15 years, then earning for the next 5 years. In the meantime, do not pay more 'THE BILL AND NOT pollute the world around you ... AND IT SHOULD BE REMEMBERED THAT THE PANELS HAVE A PERIOD OF ABOUT 30-35 YEARS!