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Need & Importance of Energy Efficiency in Industries. Ashok Kumar, EMT International. What does Efficiency mean?. Efficiency means all changes that result in a reduction of inputs used for a given service or level of activity.

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Presentation Transcript
what does efficiency mean
What does Efficiency mean?
  • Efficiency means all changes that result in a reduction of inputs used for a given service or level of activity.
  • This reduction in the input consumption is not necessarily associated to technical changes, As it can also result:
    • From better organization and management
    • Better MIS & Control

this concept is called efficiency

energy efficiency
Energy Efficiency

Energy Efficiency means: 

  • Using Less Energy to achieve same or better output

Energy Efficiency Project refers to:


Energy Efficiency

  • The first aim should be:
  • - To gain control on consumption and costs by
  • assessing current use.
  • - by taking steps to incorporate energy
  • efficiency into the corporate culture.
  • This involves:
    • Identifying, and quantifying, organization’s major users of energy
    • Reviewing energy purchasing strategies
    • Choices to make sure that the most appropriate energy sources bought at the right prices/time
energy efficiency ee
Energy Efficiency (EE)
  • What we understand under EE
  • Energy efficiency means:
  • - How effectively energy is being used for a given purpose.
  • Why energy efficiency:
    • Energy resources are limited
    • Restricted global fossil energy resources lead to increasing energy costs
    • More energy efficiency can reduce dependency of energy imports
    • Increased competitiveness for Indian industries
efficiency adds value to sme
Efficiency adds value to SME

Efficiency gains directly influence profits


energy cost

energy cost



key message
Key Message
  • Energy Efficiency and Cleaner Production are not only environmental topics, but a question of competitiveness
  • Higher energy efficiency leads to improved competitiveness
  • Better utilisation of resources leads to improved competitiveness
  • More comprehensive management
  • Earning More Profits
  • Resulting in better financial results
  • Resulting in improved environmental performance
energy saving potential in india
Energy Saving potential in India

EE opportunity

Source: CII

key question
Key Question:
  • How to Save Energy?
  • Stopping of Wastage.
  • Identify new areas of Energy savings
  • Use Energy Efficient Methods & Technology.

Major energy consuming IT equipments

  • Computer Hardware:
  • Computer Servers
  • Computer Desktops
  • Laptops
  • Printers
  • Routers and Switches
  • Other Networking equipments
  • Computers and monitors account for 40-60% of the energy used by office equipment.
  • The average computer & monitor use 30% of their energy even while idle.

Computer Power Back-up Systems

  • Uninterruptable Power Supply (UPS) DG Sets

Over sized UPS:

UPS systems have poor performance at loads below 25% and efficiency is lost in this process.

DG Sets:

The generator should be loaded between 65% to 85%. The loading beyond 85% does not give any extra efficiency, but it decreases engine life.


Office Equipments

  • Photocopiers
  • Vending Machines
  • EPABX Systems
  • Fax Machines

Photocopiers: It uses the most electricity and do not have to be left on continuously. The equipment not only wastes electricity but also generates heat that leads to a stuffy office or added air conditioning costs.


General Lighting Systems

  • Bulbs
  • Tube Lights
  • CFLs
  • LED Lamps
  • Lighting systems:
  • Select ballasts and lamps carefully with high power factor andlong-term efficiency in mind.
  • CFL consumes 1/3rd of energy compared to Indecent Bulb
  • LED consumes 1/10th of energy compared to Indecent Bulb
motor dos
Motor DOs
  • Motors should be operated at rated voltage & balanced supply.
  • Carry out preventive maintenance and condition monitoring schedule regularly.
  • Check the RPM as per monitoring schedule.
motor donts
Motor DONTs
  • Avoid frequent rewinding of motors.
  • Rewound motors practically have an efficiency loss of upto 5%.
  • This is mainly due to increase in no load losses.
  • Hence use such rewound motors on low duty cycle applications only.
motor dos1
Motor Dos

Use energy efficient flat belt instead of V-Belt to avoid transmission losses.

Expected saving will be 3 to 5 %.

power factor dos
Power Factor Dos
  • Improve power factor by installing capacitors to reduce KVA demand charges and also line losses within plant.
  • Carried out Health check up at regularly.
use energy efficient equipments
Use Energy Efficient Equipments








Standards & Labeling

MANDATORY LABEL FOR FOUR EQUIPMENTSa) Tubular Fluorescent Lamps b) Room Air Conditioners c) Distribution Transformer d) Household Frost Free Refrigerators.

bee labeled products
BEE labeled Products

1. Frost Free (No-Frost) refrigerator

2. Tubular Fluorescent Lamps

3. Room Air Conditioners

4. Direct Cool Refrigerator

5. Distribution Transformer

6. Induction Motors

7. Pump Sets

8. Ceiling Fans

9. LPG Stoves

10. Electric Geysers

11. Colour TV


We need to change the MINDSET

  • We feel that we are doing BEST
  • No need of any HELP

This is the END of further IMPROVEMENT


We need to GO with an OPEN MIND


It works when it OPENS UP

go for new ideas on energy savings with an open mind

Go for New Ideas on Energy Savings with an OPEN MIND

Measure Existing Loads


How we can reduce


The Operating Costs is What Counts

10 hrs/day, Rs. 5 per kWh


It is never too late to practice energy modesty and efficiency otherwise …

Year 1900

The history repeats itself scenario

Year 1800

Year 2050

Year 2000

Year 2020