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In 2003 i have installed a photovoltaic equipment on my roof with a power of 5,76 kWp. It is working properly since August 13th, 2003. Manufacturer of it is Solar & Fotovoltaik in Schweinfurt. The equipment consists of 48 pv-modules, producing direct current, which is transformed by two alternators and delivered in the public network of the local power supplier Überlandwerk Fulda. In winter the equipment produces with about eight hours sunlight approx. 20 - 24 kWh, in summer with 15 - 16 hours sunlight up to 35 kWh electrical energy. My best daily result until now has been 37 kWh. In 2005 the equipment produced totally 5600 kWh and therefore with a payment of 45,7 Cents per kWh a financial return of 2530 €. With this return the equipment will be fully paid after approx. ten years. Because the payment is guaranteed for 20 years, approx. 25000 € will remain as income.
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