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Energy efficiency is not just low-hanging fruit; it is fruit on the ground. Stephen Chu, US Secretary of Energy

Pumping

The pumping of irrigation water and the circulation of heating water are major costs in running a greenhouse.

Improvements in pump design, and most importantly in drive systems for motors, can make a big difference in running costs.

  • Variable Speed Drives - what are they and how do they work?

    Variable speed electric drives (VSDs) enable what are otherwise fixed speed motors to operate a range of speeds and torques from zero to 100%. They can give great process flexibility, reduce wear and tear on machines, and dramatically cut running costs.

  • Energy management in protected cropping: good housekeeping

    In this factsheet, Farm Energy Centre's Chris Plackett, and Steve Adams and Allen Langton from Warwick Horticultural Research International (HRI) highlight the benefits of good housekeeping — the first essential step in achieving efficient energy management.

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