Energy Day - 26 February

From left: Dr. V.V.N. Kishore, Prof. S.P. Sukhatme, Prof. Rangan Banerjee and Homi N. Daruwalla at the panel discussion on Energy Day ?2005.

The Indian Institute of Technology, Mumbai, has introduced a two-year M. Tech. Course on Energy Systems Engineering, which encompasses Energy Management,
Energy Conservation and Renewable Energy.
For the last two years, Energy Day has been celebrated in February, during which students make brief presentations on their M. Tech Project in Energy Systems. This is a full day programme, wherein members from industry and institutions from outside the IIT are also invited. The event concludes with a panel discussion with experts from the faculty, industry and other institutions.
HOMI N. DARUWALLA, Vice President, Electrical & Electronic Services, who had the honour of representing industry in the panel discussion this year, presents a brief report.

Sustainable Energy Systems of the Future:
A Panel Discussion

nergy Systems Engineering (ESE) organised its third Energy Day on 26 February, 2005, at the F.C. Kohli Auditorium, Kawal Rekhi School of Information Technology. The objective was to disseminate postgraduate student research to the energy industry and to strengthen the interaction between industry and academia. The event was also targeted at the ESE alumni to provide an occasion for them to visit their alma mater and keep in touch with recent developments in their field.

Prof. J. Chandrashekar, Deputy Director, inaugurated the function. Twenty-five final year M. Tech. and two Ph.D. students presented their work. The presentations covered a spectrum of topics such as the impact of load management on power systems, waste heat recovery in the glass industry, thermal analysis of charcoal bed in containment, investigations on the performance of materials for heat transport and heat storage for a solar thermal power plant, the design and implementation of low-voltage high-current power supplies, the design and development of flexible photovoltaic based systems, low-cost electric power quality monitoring systems, and other topics.

The audience listen with rapt attention to the panel discussion
on "Sustainable Energy Systems of the Future".

The presentation sessions were chaired by Prof. A. Ganesh, Prof. B.G. Fernandes, Prof. J.K. Nayak, Prof. C.S. Solanki and Prof. S.B. Kedare. A poster display was also organised. There were about 45 participants from industries and engineering colleges, including the Atomic Energy Regulatory Board, Enercon (India) Ltd., Excel India Ltd., the Nuclear Power Corporation of India Ltd., Rashtriya Chemicals and Fertilizers Ltd., Reliance Energy Ltd., Thermax Ltd., Unik Techno Systems Pvt. Ltd., Larsen & Toubro, the Maharashtra Energy Development Agency, the Maharashtra State Electricity Board, Real Innovators, K.J. Somaiya College, D.Y. Patil College of Engineering, and the Victoria Jubilee Technical Institute, Mumbai. A number of ESE alumni also took part in the event.

Energy Day ?2005 concluded with a thought-provoking panel discussion on "Sustainable Energy Systems of the Future". The panel, chaired by Prof. Rangan Banerjee (ESE, IIT, Mumbai), included Prof. S.P. Sukhatme (Prof. Emeritus, IIT, Mumbai), Homi N. Daruwalla and Dr. V.V.N. Kishore (Senior Fellow, the Energy and Resources Institute, Delhi). Banerjee introduced the topic and emphasized its relevance in the present era. The opening remarks by the panellists highlighted various aspects of sustainable energy.

Sukhatme gave an overview of commercial energy sources and their utilisation in India. As the existing consumption pattern was not sustainable and India's fossil fuels were limited, he felt that a combination of different sources would be required to meet India's needs in the future. He added that the nation needs to significantly add to its fossil fuel reserves through agreements with oil/gas supplying nations.

Daruwalla gave a presentation on the present energy scenario in India, focusing on energy utilisation in the country. He emphasized the need for further capacity addition for electricity generation to fuel the nation's development. He shared his valuable experience from the industry in areas of energy conservation and Godrej's commitment towards it. He also mentioned the barriers often faced while implementing energy conservation measures in industrial plants.

Kishore outlined the renewable energy options for the nation. He stressed the importance of micro-level development for sustainability. He said that research and development in sustainable energy areas should be geared to face the challenge of meeting the expectations of the masses.

The audience had the opportunity to interact with the panellists. The issue of realistic energy pricing was debated. The discussion also put forward the individual's role in sustainable energy initiatives. The discussion concluded with the Chairman and the panel giving their opinion about the sustainable energy scenario for the future, with the panellists stressing that there may be a need to modify lifestyles to maintain energy demands within reasonable bounds that can be sustainable.

IIT Students Feel The Energy

rofessor Rangan Banerjee, Energy Systems Engineering, Indian Institute of Technology, Mumbai, together with 22 students from this Institute, visited the Godrej industrial garden township, Pirojshanagar, on 19 March, 2005. Godrej's Electrical & Electronic Services made a presentation to the visitors on "Godrej's Achievements in Energy and Environment Management".

IIT, Mumbai, students of Energy Systems
Engineering engrossed in the presentation.

The programme started with the lighting of the traditional lamp and a welcome address by Anil G. Verma, Executive Vice President and Head, Personnel and Administration. This was followed by presentations by E & E Services' Homi N. Daruwalla, Vice President, R.P. Engineer, Senior Manager, and K.C. Pande, Assistant General Manager, on "Godrej's Initiatives on Energy Management, Energy Conservation, Demand Side Management and Efforts in Environment Management". Daruwalla also made a presentation on Godrej's involvement with the CII-Sohrabji Godrej Green Business Centre (GBC) in Hyderabad. He outlined the benefits of "going Green" and highlighted features in energy, environment, climate change, material and recycling practices adopted at the GBC. He suggested that the students of IIT, Mumbai, should organise an educational tour to visit the GBC building.

Homi N. Daruwalla makes a presentation on the initiatives undertaken
by Godrej in energy conservation and environment management.

The students asked a number of questions on the energy conservation technologies adopted by Godrej.

Post-lunch, there were site visits, wherein key installations of energy conservation and use of renewable energy were demonstrated to the students.

Professor Banerjee thanked Godrej for conducting the presentations for the students and also appreciated the initiative undertaken by Godrej in energy conservation and environment management.

Homi N. Daruwalla
Electrical & Electronic Services

Energy Conservation:
A Few Pointers

Why Energy Conservation?
The total installed capacity of power generation in the country as of December 2004 was 1,13,000 MW.

Out of this, 78,500 MW (70 per cent) is generated from thermal power plants using coal, gas and oil as fuel; 30,000 MW (26 per cent) is generated from hydroelectric plants; 2,700 MW (2 per cent) is from nuclear plants; and 1,800 MW (2 per cent) through wind generation.

Today, the power scenario in India is dismal.

There is 7 per cent to 13 per cent energy shortage and 10 per cent to 20 per cent demand shortage through the country for different sectors.

For the western sector, the energy shortage is 13 per cent and the demand shortage is 15 per cent.

There is daily load-shedding ?up to 3,000 MW ?by the Maharashtra State Electricity Board in the State of Maharashtra. There is three to six hours of load-shedding for all the cities of Maharashtra except Mumbai.

With this high quantum of energy shortage, how is the country going to progress and how is industrial growth and agricultural growth going to come up?

The Planning Commission has decided to put in 1,20,000 MW of generating capacity in the 11th and 12th Five-Year Plan.

In other words, in the next 10 years, we want to add capacity equal to that of the last 58 years since Independence.

This aims at adding 12,000 MW every year, whereas the present best achievement is only 4,000 MW per year.

At this rate, can we achieve the target?

In comparison, China is adding 28,000 MW annually, year after year. Yet, China is also facing a power shortage.

Further, the per capita consumption of energy in India is very low compared to that of developed countries. It is just 4 per cent of the U.S.?per capita consumption and 20 per cent of the world average.

The present per capita consumption is around 500 KWH and the same is targeted to be 1,000 MW by the year 2012.

Per capita consumption of 1,000 MW is considered desirable for comfortable living for a developing country.

Further, the energy intensity per unit of GDP of the Indian economy is very high in comparison with that of developed countries and the Asian and world average. This clearly points to vast scope for energy saving and energy utilisation.

This brings us to the subject of energy conservation.

What is Energy Conservation?
It is not a technology available off the shelf.

It is a concept.

Energy conservation involves data collection, integration and implementation.

Energy conservation turns concept into reality.

It involves scientific and accurate data collection, monitoring and measuring, data logging, historic data collection, record keeping and thereafter implementing various ideas and concepts, benchmarking and sharing of ideas across organisations, conducting audits and implementing proven case studies.

Where do energy savings come from?

Energy savings come from: (1) Operation and control (2) Modification in existing processes (3) Energy-efficient processes and (4) Selection of energy-efficient equipment.
Fortunately, today a lot of inexpensive equipment and instruments are available to implement automation and achieve energy savings.

Timers, controls, PLCs, etc. help us to achieve energy conservation, utilising operating times, climatic conditions, process conditions and monitoring.

Hence, automation is the key to energy conservation.

Supervisory control and data acquisition and remote monitoring are some of the tools available to achieve excellent results in energy conservation.

As far as pumps, drives and air compressors are concerned, the initial cost of the same is only 2 per cent of the lifetime running cost of the equipment; the maintenance cost is 8 per cent.

Hence, it is of paramount importance that we select energy-efficient pumps, drives and air compressors, as the initial high cost of energy-efficient equipment is quite negligible in view of the lifetime running cost.

Godrej’s Role in Energy Conservation
Godrej has implemented energy conservation very seriously for the last two decades and has received the National Energy Management Award given by CII at the national level twice ?once in the year 2002 and again in 2004 and we are adjudged as “Excellent Energy-efficient Units?

Apart from achieving excellence in energy management, we are also constantly experimenting with new technologies to achieve greater heights.

We share our success stories with other industries at various fora, such as the CII Energy Management Centre, CII-Sohrabji Godrej Green Business Centre, etc. to propagate the ideas throughout the industry.

The purpose is to encourage other industries to practise energy conservation with the ultimate aim of helping the country save a scarce natural resource.

As a part of propagation of energy-saving ideas, we also interact with IIT Mumbai’s Energy Systems Engineering Department to expose M. Tech students to various aspects of energy management and energy conservation. After all, the implementation of energy conservation in the future rests in their hands.

Homi N. Daruwalla
Electrical & Electronic Services