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ollowing the publication of the Heat and Buildings Strategy, a suite of low carbon heat network projects have been awarded funding through the Heat Networks Investment Project (HNIP).


The successful heat network schemes all utilise heat pump technology and bring the total amount awarded via the Heat Networks Investment Project to over £250 million.


Ken Hunnisett, Triple Point Heat Networks Investment Management said: “The Heat and Buildings Strategy made clear that both heat networks and heat pumps are central to the Government’s


decarbonisation efforts. So, it is fantastic to see so many schemes already stepping up to combine these solutions in such innovative ways to access heat under our feet, in the air around us, in our waterways and even within our sewerage system. Not only will these inspiring projects deliver carbon savings, but they prove that heat pump technology is adaptable and can contribute to a smarter, more flexible future energy system.”


Lord Callanan, Department for Business Energy and Industrial Strategy said: “Changing the way we heat our homes and workspaces is key to tackling pollution and the investment into new heat networks across Worthing, London, Bristol and Liverpool will ensure these areas are placed at the heart of the UK’s green industrial revolution.


The projects awarded funding include: Royal Borough of Kensington and Chelsea Kensington and Chelsea Council has been awarded over £1.1 million to develop a new zero carbon heat network which will be able to provide heat to 826 existing homes in North Kensington, and several public buildings and business units. By using air source heat pump technology, the Notting


Dale Heat Network will be zero-carbon from 2030 supporting the council’s plans for the borough to become Net Zero carbon by 2040. The scheme is expected to deliver carbon savings over the first 15 years of operation of around 790 tonnes per year.


Worthing Borough Council


The scheme will support Worthing Borough Council’s pledge to become carbon neutral by 2030 by replacing gas boilers in 27 buildings with a heat network that will use a centralised heat pump to take heat from the sewer underneath the town. The use of ‘sewer heat’ to replace gas boilers follows a discovery that sewers below Worthing contain more than enough heat to replace gas boilers in public buildings. HNIP funding of just over £5 million will cover preparatory work, initial construction and the appointment of a private sector partner to help finance, design, build, own and operate. The heat network is expected to save 2,454 tonnes of carbon per year by replacing fossil fuel gas boilers with a sustainable energy source.


Bristol City Council


Bristol City Council has previously been awarded HNIP funding for two heat networks in the city and has secured a further £1.7 million to support the development of a new heat network. Combined, these low carbon networks are expected to deliver heat to over 6,000 residences. The Temple Heat Network is being developed to generate low carbon heat from water sources accessible from the regeneration of Temple Island and waste heat from the University of Bristol’s Temple Quarter Enterprise Campus. A combination of heat pump technologies will be used to provide low carbon heat to local homes and businesses, as well as student housing, university buildings and education facilities.


Peel NRE Developments


Peel NRE, through its supply company (ESCo) Mersey Heat is delivering a district heat network to the Liverpool Waters development and the surrounding areas. Peel NRE, part of Peel L&P, successfully secured funding in Round 2 to deliver the first phase of the Mersey Heat network. The scheme was initially designed on a Gas CHP generation; however, this new HNIP


funding award of £6.2 million will enable the transition to a heat pump solution as the main generation source and connection of a central cluster of existing buildings with significant load (Liverpool’s The Three Graces buildings and surrounding properties). The funding will support one of two 3MW low-carbon heat pumps, the first of which will be water source heat pump.


BSEE Heat pump technology supported by HNIP


Insulation choice key in reaching carbon target for new buildings


ollowing the announcement of a mandatory 30% cut in carbon for all new buildings, an industry expert is urging the construction industry to make appropriate considerations when enhancing building performance. Revised Building Regulations coming into play from June 2022 mean all new buildings must reduce their carbon emissions. This includes a 30% reduction for new homes, while carbon emissions for new non-domestic properties must be reduced by 27%.


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Insulation will ultimately have a major role to play in achieving these targets, however Jolyon Berg, head of technical at CCF, is urging those in the construction industry to evaluate product choices and maintain best practice. “Only with robust selection of the right products and correct installation, can all the benefits of insulation be realised. This obviously includes improved energy efficiency which helps to cut carbon emissions, but also includes a range of other factors.”


“Failure to select and install insulation products correctly could result in greater heat loss and higher carbon emissions. It can also affect the performance of buildings from an acoustic and fire safety perspective too, with fire performance in the spotlight in high rise buildings,” Mr Berg continued.


“Fixings or accessories required to keep insulation correctly in place are essential, as is installing the insulation in a continuous layer with no gaps. Further, airtightness is integral to maximising energy efficiency, with products such as vapour control layers (VCLs) and accompanying tapes key for minimising air leakage.”


Read the latest at: www.bsee.co.uk BUILDING SERVICES & ENVIRONMENTAL ENGINEER FEBRUARY 2022 5


LEAK DETECTION SYSTEMS


“DON’T LET A LEAK BECOME A FLOOD”


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