L&T Construction commissions world’s largest Single Rooftop Solar PV Plant in Punjab

03 Sep 2014 Evaluate

L&T’s construction division, L&T Construction has commissioned the world's largest Solar Photovoltaic Plant of 7.52 MWp capacity on a single roof at Amritsar in Punjab. The energy generated from this plant is being fed to the local grid through a power purchase agreement (PPA) signed with the state distribution company under the New and Renewable Sources of Energy (NRSE) Policy. For this project, L&T employed multi-crystalline module technology and central inverters to optimize efficiency. More than 30,000 panels were erected on the rooftop of the shed spread over 94,000 square meter area.

Since for this project, the rooftop modules had to be erected on fragile asbestos roof sheets, L&T's project engineers designed and implemented an appropriate and customized Balance of System. Without stressing the existing roof sheets, the entire load of the PV modules and BoS were transferred to the roof of the space frame members of the top and middle chords. Lightweight aluminum structures were used for mounting the modules and water proofing techniques were used to avoid leakages.

Larsen & Toubro (L&T) is a technology, engineering, construction and manufacturing company. It is one of the largest and most respected companies in India's private sector. 

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