Island systems

Grid connected Photovoltaic systems

Who wouldn't like to produce electricity and profit of it?
This is possible, now and today, with a grid connected photovoltaic system: A modern, reliable, attractive and intelligent solution for everybody. We show you how it works and help you with the implementation. Ask us and let the dream of your own power plant come true!

Grid connected Photovoltaic systems feed the produced electricity into the electrical grid.
Thanks to the existing legislation in Spain and in many other European countries the fed in electricity has to be bought by the regional electricity company for a fixed price. This tariff is much higher than the regular price for electricity. Thus, it makes sense for the owner of a grid connected PV system to sell all the produced electricity to the electricity company.
This procedure also ensures that the solar electricity produced is always used and the owner of the PV system receives an attractive income for each kWh of electricity generated by his PV system also during his own absence.

Product/System 

Beside the PV-modules as the main component for the production of electricity, some other elements are necessary to build a grid connected PV system:

1. Module fixation system to optimize the orientation and to line up the modules according to the given conditions
2. Inverter to transform the direct current that is produced by the PV modules into alternating current synchronous with the grid and obliging to other mandatory parameters
3. Counter to document the amount of electricity that has been produced and fed in by the PV system
4. Cables, installation, connecting boxes, lightning protection system, remote data acquisition and alarm system, etc., according to the requirements of the system and the customer

Together these elements ensure that as much light as possible is received and used by the PV system. The direct current from the PV modules can then be transformed by the inverter and transferred to the grid with lowest possible losses.

Due to location specific technical and constructional circumstances the system design, selection of the components and erection of a PV system should be laid into professional hands. Then a durable, proper and optimized operation of the installation can be ensured. We can account for this with our experienced personell.

Areas of application 

Grid connected PV systems can be built and operated wherever an electrical grid and a sufficient area is available. Economically, a minimum of 20m² module surface area is required, which corresponds to a system peak power of about 2kWp.
Technically, there is nearly no upper limit concerning the size of the system. For example, installations of more than 1.000kWp have been built in different countries. The upper limit is mostly set by economic conditions and available area. Due to some restrictions given in the feed in law and financing schemes in Spain a system size of 100kWp marks the upper limit for economically reasonable individual systems.

For higher required nominal power solar thermal power plants are the more favourable solution especially in southern regions - such as Spain - with a high share of direct solar irradiation. Under these conditions and even starting from sizes of a few hundred kW they offer a higher cost efficiency and the opportunity to use waste heat for different other applications creating a second revenue stream.

Advantages 

Combination of investment and environmental protection

Since 2004, the operation of a grid connected PV system in Spain is an attractive investment due to the high feed in tariff for electricity that is produced by solar energy. Also if one does not spend the entire year in Spain the produced electricity has to be bought by the electricity company and thus a continuous income is guaranteed. The investment into a solar PV is thereby a delightful and highly profitable investment and active environmental protection at the same time.

Increase of supply security

Apart from the economic and environmental aspect there is a third benefit in the use of solar energy especially in Spain: Supply security. Due to the increasing use of air conditioners in public and private buildings black outs, brown outs and supply shortages are frequently experienced. Having in mind the constantly growing demand for electricity during summer season daytime and the high offered solar radiation in sunny southern Spain during summer, solar generated electricity comes as a natural solution. So each PV generator will reduce the amount of overloads and power shortages.

So why hesitate? Take the advantages and make use of the excellent framework for solar energy in Spain!

Support and Financing 

High feed in tariff

In Spain, the increased feed in tariff for electricity produced by PV systems is legally guaranteed for 25+10 years by the law Real Decreto 436/2004. This tariff is determined annually. In 2006, a price of 44ct is paid for each kWh produced by PV systems below 100kW. Since the tariff is dependent on the average electricity price in Spain increasing prices for electricity will result in an increased feed in tariff (actually the tariff has raised moren than 11% during the last 2 years !). Thus, the owner of a grid connected PV system in Spain has the opportunity to benefit from increasing electricity prices like the electricity companies do.

Favourable Financing

The national Credit Institute of Spain ICO offers a limited financing program with low interest rates and 20% debt release for grid connected PV systems. Due to the attractive feed in tariff the demand for credits of this program is very strong and is possible that not all enquiries can be satisfied. Nonetheless, the currently attractive financing conditions for normal debts offer a good and much easier alternative for financing a PV system. Also with such a commercial loan investing in a PV system is very profitable.

Our Services 

Planning, supply and installation from one hand

We take over the detailed planning for your solar system, supply the plant, install it on your roof or piece of land and commission it. Thus, you only have one partner for all questions and in each phase of the project. We prepare all necessary applications for grid connection, feed in tariff, building permit and national loans for you. You don’t have anything to do but to decide whether you want to go for it or not.

Support and service

The plant itself works nearly maintenance-free. Nevertheless, it may make sense to include the additional service of a remote supervision of the plant and a scheduled annual inspection and cleaning service.
Thus, it is guaranteed that damages or other performance deteriorations caused by external influences are cleared as fast as possible and do not lead to a loss of profit from your plant. From our branch in Malaga we can intervene immediately in the improbable case of a disturbance, restore the efficiency of the system again and secure your incomes.

Examples 

The following culations can demonstrate some baselines for a variety of systems and what revenues can be generated in the region of the Costa del Sol.

In the future a stronger rise in the electricity tariffs can probably be expected (just refer to the current development of the oil price index), which would also lead to even higher earnings from the Photovoltaic system than assumed in our example.

We would be glad to give you additional information and to make you an individual offer on how also you can profit from using the energy of the sun.