Under the Nagaland state designated agency, a demo project on investment grade audit of 11 large government buildings was completed through a bureau of energy efficiency empanelled consultancy firm, ESCO (Energy Services Company) during 2008-09.
Under the project, 11 government/semi-government buildings in Dimapur and Kohima were undertaken for investment grade audit. The buildings included Civil Secretariat Kohima having 1000 KVA connected load, AG Office Kohima with 100 KVA connected load, NLA Secretariat Building with 50 KVA, DGP office building having 250 KVA, Raj Bhavan Kohima 250 KVA connected load, AIR Kohima with 500 KVA, AIR Zubza with 500 KVA, Naga Hospital Kohima with 500 KVA, Christian Institute of Health Science and Research Dimapur with 2750 KVA, Industrial Estate, Dimapur with 1750 KVA and Super market Dimapur having connected load of 500 KVA.
Delivering a presentation on ESCO Initiatives in building in Nagaland: Opportunities and Concerns, Abhijit Chatterjee from EAGA Energy Pvt. Ltd Kolkata highlighted some findings of the audit which included replacement of fluorescent tube lights by energy efficient lights, centralized heating systems replacing individual room heaters, solar water heaters replacing electric heaters, for secretariat complex, efficient regulators / control mechanisms to optimize energy use, for heaters in AIR.
While mentioning that ESCO (Energy Services Company) was possible in Nagaland buildings, Chatterjee said there was a need to identify a group of end users for a single activity, which will provide the right scale factor. He also maintained that regulatory issue on billing etc need to be addressed; buildings need the right incentive for ESCO. He stated that the project was a first of its kind projects in Nagaland, possibly East and North East India.
In another demo project taken by NSDA, the agency constructed energy efficient street lighting of flyover at Dimapur, which was the first in the country. NSDA is also undertaking a project to convert entire Rotomi village, under Zunheboto village, to a use Light Emitting Diodes (LED) both inside the house and in the streets.