Should not the geothermal energy production be modified to allow for the distribution losses?
– NO – we have included the distribution losses in the calculation already. The demand for heat is 20 MW, but allowing for distrubution losses we need to supply 22.22 MW. Initially the boielrs will have to supply all of this, but after including geothermal component we will reduce the heat needed from coal by 6MW, and hence this is the figure used to evaluate saving. Please note that the 10 (cubed) in the following line arises solely from the need to convert a volume of water into a mass – i.e. 1000 kg per cubic metre = 71.65 * (80 – 60) * 4.1868 * 10^3 = 6.