of standalone buildings, such as a housing estate, a business park or a collection of   The heat generator could be a geothermal facility, a large biomass boiler or a waste to energy plant. All of these technologies   The renewable heat output from all of these  


Agriculture  when it comes to heating poultry sheds   been made by a turkey producer, which is going to install biomass boilers at 179 of its sites.





option for farmers because ordinary farming  form of slurries and agricultural resides. Food waste and break crops are also common feedstocks for AD. AD plants often burn the biogas they produce on-site to generate electricity and/or heat. More and more AD plants now choose


to upgrade the biogas they produce into  into the gas grid. This is also supported under


SINCE 2011, THE WORLD’S FIRST RENEWABLE HEAT INCENTIVE (RHI) HAS BEEN MAKING PAYMENTS TO UK COMPANIES THAT USE ELIGIBLE RENEWABLE TECHNOLOGIES TO MEET THEIR HEATING AND COOLING NEEDS.’


 although green gas can be used as 


Public amenities and private businesses


There are millions of buildings across the  lot of people pass through them during the working day from public amenities like schools, hospitals, libraries, community   


ELIGIBLE TECHNOLOGIES AND TARIFFS CURRENTLY AVAILABLE (AT 1ST JULY 2014 – TARIFFS FOR NEW PROJECTS MAY CHANGE FROM 1ST OCTOBER 2014)


Tariff name and eligible sizes Small commercial biomass (<200kWth) Medium commercial biomass (200kWth - 1MWth)


Large commercial biomass (1MWth+) Solid biomass CHP systems Ground-source heat pumps


Air source heat pumps Deep geothermal


All solar collectors (<200kWth) Biomethane injection


Small biogas combustion (<200kWth)


Medium biogas combustion (200kWth - 600kWth) Large biogas combustion (600kWth+)


Tariffs applicable Tier from 01/07/2014 (pence/kWh)


8.4 2.2 5.1 2.2


2.0 4.1 8.7


2.6 2.5 5.0


10.0 7.5 7.5 5.9 2.2


Tier 1 Tier 2 Tier 1 Tier 2


All of these need space and water heating. Biomass, heat pumps, solar thermal and district heating schemes for multiple buildings could all work in these situations. Solar thermal can be a particularly good solution for buildings that need a lot of hot water during the day e.g. changing rooms in sports clubs.


Industry and manufacturing      range of industrial processes, from paper and pharmaceuticals to metallurgy and food and drink production. Additionally, industrial processes that


use organic materials may be able to use process wastes as feedstocks for an anaerobic  electricity. For instance, whisky distilleries and cheese makers are increasingly using AD to turn their by-products into green heat and electricity.


REQ


FOR FURTHER INFORMATION Ofgem: http://bit.ly/OSCJPu DECC: http://bit.ly/VhKOQf Innasol Renewable Heat Report: http://bit.ly/1mjGEy0


Geothermal district heating schemes


are a real commercial


prospect in the UK now thanks to the RHI


Tier 1 Tier 2


Air source heat pumps offer convenient low-carbon heating for well-insulated buildings


www.r-e-a.net


AUTUMN 2014


|


RENEWABLE ENERGY QUARTERLY


| REQ 11





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