Combined heat and power (CHP) has gained the Royal seal of approval as an energy efficient technology after being used at Buckingham Palace and Windsor Castle to cut carbon emissions by 2818 tonnes – equivalent to the environmental benefits of planting 4,332 trees.
Ener-g Combined Power installed CHP units at the Royal households 12 years ago, replacing the units more recently with the latest technology. 13 million KWh of electricity has been generated, sufficient to make 130 million cups of tea – more than two cups each for every man, woman and child in the United Kingdom.
Both CHP units provide the prime source of electricity and heating for the palaces, creating an electrical output of 228 kWE and a heat output of 358 kWE each year. The Windsor unit serves as a standby machine in the event of mains power failure.
Peter Law, a director of Ener-g Combined Heat and Power, said the Windsor Castle installation, which is installed in a dungeon, was a ‘feat of engineering’.
He explained: “The machine was built in our Salford factory, tested and then stripped down to its basic components, before being re-built within a boiler house in a window-less dungeon, . The machine displaces a high proportion of boiler capacity, which has a knock-on effect of reducing CO2 emissions and prolonging boiler life.”
Peter Law added: “The Royal household was very enthusiastic about the environmental benefits of this technology and this was the main driver behind the decision to install the system. As an energy efficient technology, CHP also has significant economic benefits that will typically result in cost savings of 20 to 30 per cent”.
Ener-g has built a total 206MWe of cogeneration – generating in excess of five million MWh of clean and efficient electricity, to give the business more than 35% of the UK installed base of gas engine CHP.
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