SituationGiven that solar energy can contribute to about 7 percent of our total power needs and lead to a reduction of more than 30 percent of our coal imports, one of the eight missions under the NAPCC is the Jawaharlal Nehru National Solar Mission which was launched in late 2009. The mission targets 22,000 Mw of power by 2022. Keeping in mind the importance of showcasing solar technology, the Government decided to bring solar energy into the Parliament House under the SADP or Special Area Demonstration Project Scheme.

LANCO Solar Energy Pvt. Ltd. was awarded the contract to build, operate and maintain an 80 Kw Solar Photovoltaic Rooftop Power Plant in the Parliament House Annexe (PHA) by the Punjab Energy Development Agency (PEDA), a nodal agency in Punjab who are the prime contractors for PHA.

“The objective of putting the project in the Parliament was to demonstrate the technologies of solar power generation at a place which is visited by all state representatives. They will see the installation, understand it and take the message back to the states for replication of similar models,” says a senior spokesperson of PEDA.

The Parliament House Annexe is a part of the Parliament House Estate, which has been operational since 1927 and is home to 790

members. It houses many services for the Parliamentarians including a post office, a State Bank of India branch, telephone exchange and a fully equipped Medical Centre and secretariats of both houses.

Being a highly sensitive installation which is subject to strict security precautions all round the year, there was added need for strict safety procedures and the need to meet deadlines as well.

Indian Parliament HouseHeart of India's democracy lit up by solar energy

India's Parliament House is the hub of policy and politics in the country. It sees Ministers from all states and constituencies who chart the future course of the country by debating and deciding on matters of public policy. Therefore when the Government wanted to highlight green sources of energy, they chose LANCO Solar Energy Pvt. Ltd. to set up and operate an 80 Kw solar power plant in the Parliament Annexe. Their Rooftop PV energy solution has been running successfully since March 2011 and generates around 400 units of electricity on a daily basis. It has become a showcase of how green energies can be harnessed as a solution to India's growing power problem.

Solution400 units of electricity per day are generated by 288 numbers of 290 WP solar panels placed on the rooftop of the Annexe. They are combined with power supply from conventional sources with help of an interactive grid power conditioning unit.

The solar modules are connected in 24 strings and each string consists of 12 modules. These modules rest on 48 steel structures which are

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specially treated with anti corrosive zinc phosphate and finished with polyurethane silver paint to ensure durability since they are exposed to extreme climatic conditions. The modules are south facing fixed at an angle of 26 degrees to best absorb the solar insulation. The energy generated by these modules is then fed to the low tension grid through the state-of-the-art high efficiency power conditioning unit installed in the control room.

Advanced systems such as the Max Power Point Tracking or MPPT system can harvest maximum possible energy from the sun and supply it to the grid. The energy produced is measured using the Data Monitoring and Control System which measures in real time the amount of energy being produced by the solar plant.

The solar plant has now been up and running since March 2011.

BenefitsThe installation of the solar plant in the Parliament House Estate meets many criteria considering its unique location and thus serves many purposes.

Visibility to leaders of social changeAs a source of clean energy to the Parliament, this prestigious rooftop project is very visible to policy makers from all over the country who can replicate this model at the state and local levels.

Encourages generation of solar energy on roof topIt serves as a showcase of how green energy can be generated and used for captive consumption in public and private buildings.

Merges in with its ambient surroundingsThe entire estate is well known and recognized for its aesthetic elements. The style of architecture is modern, functional and dignified. The solar plant blends in with the aesthetics of the area.

Rooftop installations attract attentionBeing highly visible in the public eye, the rooftop PV plant will attract considerable attention and contribute to increasing awareness of conservation of power and environmental responsibility.

LANCO also sees a great future in the rooftop solar market as it provides consumers the opportunity to generate energy wherever they are.

According to V Saibaba, CEO, LANCO Solar Energy Pvt. Ltd., “The rooftop projects are a small capacity power plant sitting on the roof of a house which is going to be the reality going forward into the future.”

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Disclaimer: This document contains information basis research and the project undertaken by LANCO Solar. While due care has been taken to ensure the accuracy and completeness of the information supplied herein, LANCO Solar cannot be held responsible for any errors or omissions.