An energy audit is a study of a plant or facility to determine how and where energy is used and to identify methods for energy savings and also study of how a building uses energy, how much it pays for energy use.

We conducted energy audit in National Engineering College Hostel, Kovilpatti. Main aim of our project is to conserve energy in an efficient manner without affecting the comfort level of consumers. In our project we targeted to reduce electricity bill to the extent of 20%. Monthly average electricity bill for hostel is approximately Rs. 1.5 lakh/month.

We found out more energy saving opportunities in Lighting, Fan, LPG and Pumping system. The energy audit shows an average savings of   Rs. 35000/month (23%) in lighting system.

The cost to implement the conservation practices and measures is quite low, only Rs 2.3 lakh, which implies an average payback period of only seven months. In fans we found an average saving of 10%, it varies depending upon the season. Recently solar cooking plant is installed in boys hostel, so LPG consumption is reduced considerably.

We had changed the food menu to utilize maximum solar power. So that LPG consumption is reduced greatly. We have also found energy conservation opportunity in water pumping system. This suggests that by proper energy audit large energy savings will be found at various educational intuitions, industries that are particularly energy-intensive and that have low fuel prices.

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Tue, 12/04/2011 - 14:54