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| Energy conservation measures at Bhadrachalam primarily consist of
maximising energy from waste and co-generation, adopting energy efficient
technologies/equipment, installing state-of-the art technologies for monitoring and
benchmarking against best-in-class. A dedicated Energy Cell has been set up with
experienced and certified Energy Managers who have been given specific responsibilities.
The Cell is also empowered to carry out audits, feasibility studies and implement
recommendations. Some of the major initiatives undertaken to reduce consumption of
electrical and thermal energy include:
- Energy efficient pumps, lighting and air conditioners
- Retrofitting capacitor banks, automatic delstar etc.
- Variable frequency drives for pumps and fans
- Automatic power factor controller
- Frequency control operation for co-generation
- Optimisation of distribution voltage
- Use of bio-refining enzymes in pulping process
- Electronic governing system for turbo generators
- DCS Monitoring of steam distribution and on-line steam, compressed air and water leak
arresting
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Renewable Energy & Use of Biomass
Efforts by ITC businesses towards use of renewable energy and replacement of fossil
fuels by environmentally neutral bio-fuels resulted in generation of 3,712 Terra Joules of
energy (2,965 TJ in 2004-05). Out of this, 3,108 TJ was generated from black liquor in
Bhadrachalam unit.
The Kovai unit utilised locally available sawdust, wooden chips and deoiled bran to
generate 603 TJ of energy. Plans are in progress to increase the proportion of black
liquor and increasingly use other forms of locally available biomass in preference to
fossil fuels.
Solar thermal systems for preheating boiler feed water, use of solar cells to power
e-Choupals, and solar heating in canteen kitchens continued to be used at a number of ITC
units. |
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