The compendium presents an overview of chlor-alkali sector, covering manufacturing capacity, production & energy consumption trend, technology status, future growth scenarios, policies, environmental issues etc relevant to the subsector. It provides comprehensive information on energy savings technology options, techno-economic feasibility, possible reduction in energy consumption & emission, and marginal cost abatement curves. This will help designated consumers to prepare energy efficiency action plans and achieve & even exceed their energy consumption targets under Performance, Achieve and Trade (PAT) scheme.