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Khar residents seek new way, get ‘wind’ of green energy

To reduce carbon emissions and dependence on conventional sources of electricity, Sea Line building at Union Park in Khar has set up a windmill to tap into the green energy.

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To reduce carbon emissions and dependence on conventional sources of electricity, Sea Line building at Union Park in Khar has set up a windmill to tap into the green energy.

The housing society uses power generated from the windmill and solar panels in the common areas of the building. The society will now save Rs3,000 per month on the electricity bill.

“Except the lift, which requires a lot of electricity, all the lights in the common area consume the power tapped by the windmill and solar panels,” said Navin Chandra, chairperson of the building.

“The idea is that we use as much green power as possible. After we installed the windmill last month, we have 30% surplus power.”

The surplus power, Chandra added, is stored in batteries to be used later.

The 1.8 kilowatt windmill generates around 10 units of power daily as per wind velocity. And coupled with the solar panels, the society gets 20 units of green energy, which is used to power 60 LED lights, three to four fans and two computers on the society’s office premises.

“LED lights are three times costlier than the regular tubelights, but they 70% more energy as compared to them,” said Vijay Wani, proprietor of Gogreen Ventures that has put up the windmill.

One LED light consumes five units of electricity in a month if used for eight hours a day as compared to 18 units consumed by a tubelight for the same period. “Another advantage LED lights have over conventional and CFL lighting system is that it does not use mercury or emit any poisonous gas,” added Wani.

Installed at a cost of Rs8 lakh, the society believes that they will be able to recover the cost of the windmill within six years. The cost was borne equally by all 10 flats.

“The gross expense for installing the windmill was only Rs6 lakh, but we spent Rs2 lakh extra because the solar panels had to be relocated,” said Vijay Wani, proprietor of Gogreen Ventures that has put up the windmill.

“We hope that in seven years, we will be able to recover on the investments. As power tariffs keep rising we might just recover it sooner,” said Chandra.

The life of the windmill is a minimum of 25 years.

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