This page contains a Flash digital edition of a book.
Energy monitoring Meters
iStockphoto
Smarten up
energy is going. According to general industry practice, get established. Until relatively recently there was little
this means sub-metering for services such as boilers incentive for small energy users to invest in energy
and combined heat and power units above 50kW, metering. Climate change was a remote issue, the cost
A smart meter
chillers larger than 20kW, and fans and pumps where of power was low and utilities were estimating bills. and accessories
overall power input is 10kW and above. Things have changed. Energy prices are a boardroom
can be
Tenanted areas larger than 500sq m and heating/ issue, and government initiatives such as the Carbon CAPTION ??????????
cooling services for tenanted areas larger than Reduction Commitment Energy Efficiency Scheme
retrofitted onto ??????????????
2,500sq m should also be measured separately so that (CRC) and the Climate Change Levy have given energy your system
engineers can get a fix on where energy overloads are efficiency a substantial financial value.
and will pay for
occurring, practitioners say. One tonne of carbon emissions now officially costs
There is nothing revolutionary about this. Gas £12 under the CRC cap and trade scheme – at least
itself in about
meters were fitted in London in 1851 to measure how until 2013, after which the price will no longer be fixed three years –
much gas was being consumed by street lighting. We and will be substantially (possibly three or four times)
Kris Szajdzicki
can only speculate about what was done with that higher.
information once it had been gathered, but presumably This creates a huge incentive to measure and
it encouraged city managers to turn the lights off more monitor energy use for the 5,000 users on half-hourly
promptly. meters, consuming more than £500,000 worth of
However, energy conservation is still struggling to energy a year, who are to be included in the CRC. But >
www.cibsejournal.com December 2009 CIBSE Journal 37
CIBSEdec09_pp36-38_meters.indd 37 19/11/09 16:31:36
Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60
Produced with Yudu - www.yudu.com