Energy saving guide for manufacturers

Energy saving guide for manufacturers

The Carbon Trust estimates that you could cut the energy bills in your manufacturing operations by as much as 20% just by implementing simple, inexpensive energy efficiency measures such as using variable-speed drives, fixing leaks in your compressed air systems, and cleaning your refrigeration condensers.

Here are some easy energy efficiency tips to get you started.


  • Install variable-speed drives. These can reduce running costs when used for fans and pumps.
  • Invest in high-efficiency motors. These might qualify for tax relief through the Enhanced Capital Allowance Scheme and could also help you to reduce your energy consumption.
  • Maintain motor systems. Lubricate them where appropriate, and check belt tightness and alignment.

Compressed air

  • Consider reducing the operating pressure of your compressed air. A 1-bar reduction could save about 7% of the energy required for compression.
  • Switch compressors off when not in use. A compressor installation that is on when there is no demand will consume 20-70% of its full load power.


  • Check your door seals. A faulty one could increase the refrigeration unit's power consumption by as much as 11%.
  • Avoid using too much refrigerant charge, as this can increase energy costs by over 10%.
  • Clean refrigeration condensers. Dirty condensers can increase costs by around 26%.


  • Encourage staff to turn off lights when not in use.
  • Label light switches so that it is easy to see which switch controls which light.
  • Ensure that lights are switched off in unoccupied areas and when the premises are closed.
  • Make the best use of natural light. For instance, ensure window blinds are open in daylight hours.
  • Ensure security lighting time clocks change with the seasons. Fitting a daylight sensor control can also help.


  • Check the insulation on hot and cold pipework, and process ovens, for damage. Repair where necessary.
  • Check whether valve flanges are insulated. If they are not, install jackets - payback periods can be as low as 12 months.
  • Use lids on process tanks, especially out of hours, to prevent losses through surface evaporation.

Did you know?

  • If you reduce a motor's speed by 20% with a variable speed drive, then its energy consumption could drop by as much as 50%.
  • 12% of all the energy consumed by the manufacturing industry is used for heating buildings.
  • Tuning your boiler could save over £800 per year.



Source: Carbon Trust


A Memorandum of Understanding has been published by OFGEM stating how they and the  Government would work toge ...

Read More

What to do when moving commerical premises

How to deal with your energy supplier when moving business premises? Make sure you don't get caught on out o ...

Read More

Changes to Capacity Market & Energy Intensive Industries Exemption Legislation

The energy market is changing and the Government is proposing some reforms that could potentially affect all busine ...

Read More