Energy consumption has been cut by
48% at J.O.Sims, a Spalding company
that supplies cranberry and wild
blueberry ingredients and provides
packing, handling, storage and
distribution services.

With 80% of site energy being
consumed by refrigeration this was a
priority for attention. Excalibur
surveyed the site and produced a
report which projected that the
efficiency of the coldstore
refrigeration systems could be
improved by 40%.

Excalibur recommended installation
of Liquid Pressure Amplification and
inverter speed control of condenser
fans. This would allow efficient low
head pressure operation, increasing
refrigeration capacity while reducing
compressor energy consumption.

Excalibur applied for a Carbon
Trust interest-free loan on behalf of
J.O. Sims, with repayments being
made from reduced energy costs.

Following a successful pilot, the
remaining systems have been
modified. Energy consumption has
been reduced by over 40% which
represents an annual reduction in
electrical consumption of 500,000kWh
and 270 fewer tonnes of carbon.