Residential photovoltaic. The news is the storage

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by Natasha Roveran

Is it possibile to reach grid parity, that is parity between the cost of traditional and alternative energy? The way is long yet, and for someone it won't represent the future of energy.
In fact, it was found that the average user does not pay attention to any equal costs, but rather detects when the amount he pays for electricity surpasses the income he receives from feed-in tarifs.

EuPD researchers have been the first to reach this conclusion and to understand that, rather than sell, the best thing to do is to store the energy and then use it later. According to the data collected there are many users who have begun this practice and therefore estimate that a considerable market will bring up by 2014-2015.
EuPD predicted pattern includes a global transformation of the residential sector, in order to enter a new era, that of 2.0 photovoltaic.

Residential PV in Europe before coming to this day has undergone two cycles of growth and development, identifiable with 1.0 era. It was born as a niche sector, led by environmentalists full of ideals which have the merit of having opened the installations in 2007-2008, it was then taken over by new investors that have made it the engine of economic growth in the sector "green ".
The new era coincides with a decrease, in some cases significant and stronger in others, of the installation of photovoltaic systems. This is caused mainly by the rising costs for energy from the grid, which does not coincide with a rise in income from feed in tarifs. It must inevitably be opened a new cycle of a new generation of green electricity in the open market.

In this 2.0 PV era structures must change. Until now residential photovoltaic have been designed to feed from the network and designed for self-consumption. Henceforth existing systems and those of new construction may be eqipped with storage for storing the excessand reuse it later, without requiring energy from outside.
Optimistic data have been confirmed by surveys conducted by EuPD Research on pilot projects already implemented by the researchers. For example, it was noted that a German family of 4 people can get to provide for domestic consumption with solar panels to a percentage ranging from 25 to 58% by integrating the system with a 5 kW battery.

The only problem is unforrtunately represented by high costs. To add a storage system to a domestic installation it takes about $ 10,000, doubling the final price of the photovoltaic system.
But there are a lot of optimistic because in recent years, several companies have started investing in the market of the solar energy storage. According to the results of a research on the subject it has been found that the global market in the next ten years will increase from $ 19.2 million today to more than 872 million in 2022.
The data collected by EuPD Research show a desire for energy independence and environmental responsibility, which means that many families are now opting for the storage of solar energy, although the process is a bit more expensive.


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