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Solar energy takes company by storm with clear arguments

The inauguration of the new solar energy system on the roofs of the Sturm Gruppe (meaning „storm group“) in Salching, Lower Bavaria, was quite literally a stormy celebration. This solar power plant with a total capacity of almost a megawatt
(940 kWp) is one of the largest in the region, and was installed by Phoenix Solar at a nigh-on record-breaking tempo in just ten weeks.

The fundamental requirements for the punctual realisation were the innovative system concept, and close cooperation between Phoenix Solar‘s construction management and the company Sturm‘s logistics. In total, 13,680 thin-film modules from the manufacturer First Solar were installed. The mounting system chosen was Tecto-Sun Plus from Phoenix Solar, as this was perfectly suited to the roof structure.

To avoid excessive wind loads on the roofs, the solar modules were installed parallel to the roof surface, so additional elevated mounts were not required.
The target yield of over 900 kWh/kWp was largely achieved due to a sophisticated system of thin-film modules and a distributed inverter concept.

Technical Data
Rated system power 940 kWp
Annual energy yield approx. 845,000 kWh
Feed-in tariff/kWh EUR 0.4665
Feed-in tariff p.a. approx. EUR 395,000
CO2-savings p.a. approx. 780,000 kg*
No./type of modules 13,680 First Solar FS-267 and FS-270
Inverter 18 x Fronius IG 400, 6 x Fronius IG 500
Construction type roof-mounted system
Tilt angle 10°
Orientation east/west

* Source: German CO2 offset calculation (0.932 tonnes of CO2 avoided per MWh) based on data from BMU AGEE (Arbeitsgruppe Statistik Erneuerbare Energie) 2006.

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