Nine double rows with south-west orientation.

Helios power plant represents a roof-top PV station, situated in the south industrial zone of Plovdiv, second biggest city in Bulgaria. The roof is 5250 sq. meters. The building is
owned by Helios Metal center, one of the biggest metal processing factories in Bulgaria.

Helios Solar has a 20 years contract with EVN Bulgaria, selling electricity up to 200 kWp, on fixed tariff of 0,305 Eurocents/kWh.

The feed in tariff is guaranteed by the Bulgarian law and the EU directive for renewable energy producers. The plant is in production since June 25th 2012.