48 CONTRACTS & BUSINESS NEWS


GE commissions new 8.4MWe CHP plant in Hamburg, Germany


ABB provides single- phase UPS for Swiss


Alp railway . ABB’s single-phase UPS, the Power-


Value 11 RT, has been selected by private rail operator Rhaetian Rail- way (RhB) to regulate the power supply for one of Switzerland’s most demanding rail lines. The Bernina Railway runs across the Bernina Pass, which at an altitude of 2,253 meters means any train not only has to contend with very low temperatures but also a severe level of vibration that comes from travelling across such rugged terrain. To prevent highly disruptive break-


downs, it was therefore essential that a reliable source of quality elec- trical power be provided, and ABB’s PowerValue 11 RT is said to offer offer the perfect solution. Guaranteeing up to 10 kVA of clean, reliable power, the double conversion PowerValue RT also conditions incoming power to eliminate spikes, swells, sags, noise and harmonics, making it ideal for the challenging Bernina Railway route.


$15m for Belarus


biogas CHP projects The European Bank for


Reconstruction and Development (EBRD) is to fund four new biogas- fired combined heat and power (CHP) plants in Belarus. A US$15m loan from the EBRD will finance the construction and commissioning of the plants, which are planned to total 4 MW. Located in the northwestern


Grondo and southwestern Brest regions, the plants are expected to generate 32 GWh per year and to reduce carbon emissions by 15,300 tonnes annually.


HanseWerk, a subsidiary of E.ON and one of the biggest providers of energy solutions in northern Germany, has brought on stream its fourth high- efficiency combined heat and power (CHP) plant in Hamburg. With an efficiency of more than 95%, the plant will produce power for up to 20,000 and heat for around 2,800 households. For this project, HanseWerk joined


forces with GE Jenbacher to develop an innovative plant concept that boosts the efficiency of the plant to more than 95% . All four of HanseWerk’s CHPs form Germany’s most efficient cogeneration fleet and boast an efficiency factor of between 95 and 99%. Together, the plants can produce power for almost 50,000 households and supply several thousand households and busi- nesses with heat.


The specific CO2 emissions of one


kilowatt hour of heat from the new cogeneration plant are around 40% below those generated through heat recovery in a coal-fired power plant. The flexible engines of the plant in Eidelstedt are ideally suited for grid stabilization, which is necessary to even out the fluctuating nature of wind and solar power fed into the grid. Over the course of the year, HanseWerk will incorporate the new CHP unit into its virtual power plant. In a virtual power plant, CHPs are interconnected in such a way that they are able to quickly reduce their output when there is a surplus of power in the grid. This is the case on very windy days, for example. If, on the other hand, there is a sudden lull and there is too little power, the new CHP plant can increase its output within five minutes.


Danfoss is behind new district heating network


A new district heating network is expected to reduce a French city’s carbon emissions by 17,000 tonnes per year.


The Nord Chézine heat network is being developed in the city of Nantes and will complement two existing district heating systems. Installed by Danfoss Heating, the


project is planned for completion in 2021 and will be built in several stages. It will serve schools, administrative build- ings, a nursery and 7400 residential apartments, according to Danfoss. “The connection to 98 heavy stations for the apartments, nursery and schools will allow the Nord Chézine district heating network to be supplied more than 80%by renewable energies and heat recovery,” said Frédéric Cherel,


Worldwide Independent Power January - February 2018 www.gmp.uk.com


head of large accounts at Danfoss Heating France. “In addition to the 98 heavy stations,


the collective energy supply will also supply 81 light stations (Akva Lux II VX) for single-family dwellings as well as a decoupling exchanger for the auxiliary gas boiler.”


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