Objective
1. To serve as a pioneering experiment for an electric generating company which, by contrast to other existing electric companies, bases all its electric production on renewable energy sources. This company is working at present with mini-hydraulic and eolic systems and is planning, in the near future, to expand to use PV and biomass. Future investment plans of EHN to expand their 3 existing wind farms to 20 by the year 2010 will depend directly on the experience of the present project. We therefore stand to achieve the direct involvement of an electric company with an interest in promoting PV energy. (EHN is the proposer of the project and will become proprietor of the installations made. IBERDROLA is an associate member of ENH). We also stand to achieve the indirect involvement of the local Autonomous Government of Navarra.
2. To demonstrate the perfect technical as well as esthetic symbiosis of a grid conneted PV system to a wind farm, and the possible standardisation resulting from the diffusion and viability of this project, be it in the interest of the public sector or that of potential investors (mainly electric companies), as well as to take advantage of the current expansion and growth in eolic energy that is taking place in the EU and especially in Navarra where objectives for the year 2010 aim for deriving 40% of energy needs from eolic energy.
The two PV installations, Tafalla with 21,6 kWp and Gerinda with 28,8 kWp, generate an amount of energy of 65,9 MWh/y, that becomes to 56 MWh/Y supplied to grid.
1. Innovative of the project are :
- to achieve a 'Standardisation of grid-connected stations in the telecontrol installations of windfarms", for better diffusion of both technologies promoting the perfect harmonisation of both in the environment and recognising the perfect technical comptability of both.
- to acquire the total involvement of an electric company in a renewable energy project, and to create a precedent of reference for similar future projects.
2. Context in which the technology is operating :
The project is formed by two PV systems installed in two buildings. One of them, in Tafalla, is a solar array of 21,6 kWp integrated into a unique building of bioclimatic design, where the telecontrol of all EHN's production activity (Wind, hydraulic, solar, etc.) is carried out. This building also houses the logistic centre of the installations of EHN as well as general warehouse of equipment, offices, and the department of new energy. It has been designed combining the use passive, PV and thermal solar energy, and following the optimal orientation and tilt for irradiation. The energy production given to grid is about 23,9 MWh per year. The other one, in Leoz Eolic Plant called Gerinda, has 28,8 kWp and has been built integrated into the sub-station of the wind farm. It also has an original design for the use of solar energy, following the best orientation and tilt for the modules. The energy to grid, thanks to this PV system, is estimated in 32,1 MWh per year.
A grid connected photovoltaic system basically consists of PV modules and an inverter and various protective equipment. No accumulation is involved and for this reason no storage device is needed. This makes the system simpler, more reliable and cheaper. The solar array will consist of 90 Wp Saturno model panels, manufactured and supplied by BP Solar. The inverters will have a maximum power tracking system as well as a data acquisition system. The inverter then transforms the electricity into an AC.
3. Economic aspects: The minimum monetary value of the energy produced, that will be distributed through the utility grid and sold to the users is 12 PTA/kWh, this would mean:
12PTA/kWh x 65.889 kWh/y = 790.668 PTA/y
The value of the real energy to grid is:
12 PTA/kWh x 56.005 = 672.060 PTA/y
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology materials engineering amorphous solids amorphous semiconductors
- natural sciences biological sciences biological behavioural sciences ethology biological interactions
- engineering and technology environmental engineering energy and fuels renewable energy solar energy photovoltaic
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Coordinator
28023 Madrid
Spain
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