A solar roof supplies of electric vehicles.

The city of Besançon has more than 40 electric vehicles. In the field of energy management, the City of Besançon is already one step ahead in terms of the number of electric vehicles in its fleet (41), today it is taking a new step forward by producing electricity. electricity of solar origin to power these same vehicles.
"One of the most important installations of this nature in France"
345 m2 of photovoltaic solar panels, which makes it one of the most important installations of this kind in France, capture the sunlight on the roof of the Municipal Technical Center to convert it directly into electricity, without pollution or waste production.
The City chose this technology for two reasons.
- The first was to produce the equivalent of the annual consumption of some thirty municipal electric vehicles based near the building, ie around 40 Kwh.
- The second corresponded to its political will for sustainable development and preservation of the environment because photovoltaic solar presents undeniable ecological qualities: it is clean, silent and inexhaustible.
An annual output of more than 40 000 Kw
The installation, consisting of 273 polycrystalline photovoltaic modules gives a field of 43,2 Kilowatts-peak (Kwc) and should produce annually about 42 000 Kwh. The electricity generated is converted by 7 inverter-power output 34 Kw, to be distributed to the standards on the public distribution network and resold to EDF.
The advantage of such an embodiment is to produce power at the very point of demand, by overcoming storage problems. The production is injected into the network, and during the non-production period (at night), electricity is taken from the network to recharge the electric vehicles. The contract was awarded to the company BP Solar. The cost of the installation is 260 €. It was made possible thanks to the financial support of the Regional Council of Franche-Comté and the Environment and Energy Management Agency of Doubs.

Read also:  Switzerland: no ecological tax on the most polluting cars.

source: Our planet

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