ITC :: Sustainability Report 2007

ENVIROMENTAL PERFORMANCE

Sources of Energy in ITC (in percentage)

The major sources of renewable energy in ITC include:

Black liquor; waste from pulping process in the Bhadrachalam Paperboards unit.
Locally sourced wood chips/sawdust and deoiled bran in the Kovai Unit.
Solar thermal systems for preheating boiler feed water and canteen hot water in a number of units.

Some successful energy conservation initiatives

Cold Plasma Odour Abatement System in the cigarette-manufacturing unit at Bengaluru.
Upgradation of boilers in Leaf Tobacco units.
Installation of electronic governors in steam turbine generating set at the Bhadrachalam paperboards unit.
Boiler waste heat recovery and de-aerator at the Tribeni paper factory.
Replacement of old compressors with higher efficiency sets at the Kovai paperboards factory.
Revamping of boilers feed water system at the Bollarum paperboards factory.

Energy efficient light fittings, light emitting diodes and automation of lighting controls in various hotels and factories.
Replacement of existing air-conditioning equipment with higher efficiency systems in several hotels and factories.
Common measures adopted across most business units:

- Replacement of existing   pumps with higher efficiency   sets.
- Installation of variable speed   drives.
- Automation of lighting   controls.
- Improvement in reactive   power compensation.