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RHI: Renewable Heat Incentive Report

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 RHI: Independent Report on Metering Arrangements

The Independent Report on Metering Arrangements (‘the Report’) is intended to verify to Ofgem that an installation seeking accreditation to the Renewable Heat Incentive (RHI) has metering arrangements in place which meet the RHI eligibility requirements, in accordance with the RHI Regulations.  The Report will cover the installation’s metering arrangements for RHI purposes, including:
  • whether meters and sensors are correctly positioned;
  • whether meters and sensors are installed in accordance with the manufacturer's instructions;
  • whether the schematic diagram is an accurate representation of the installation and the heating system of which it forms part.
Circumstances under which the Report will be needed:

In accordance with Schedule 1 of the Regulations, this Report will be requested by Ofgem as part of the application for RHI accreditation, where an installation:
  • has a capacity of 1MWth or above, or
  • is classed as a complex installation for RHI metering purposes.
Generally all installations that fall into the above categories will need to provide a completed Report as part of the accreditation process.A Report will also be required in the following scenarios:
  • where additional RHI capacity takes an accredited installation's capacity over 1MWth, or
  • where additional RHI capacity takes an accredited installation's capacity over 45kWth and the installation is considered complex for RHI metering purposes,
  • or where a change is made to the installation/heating system that results in an RHI-accredited installation moving from a simple to complex classification for RHI metering purposes.

RHI: Competency Criteria for 'Competent Person'

According to the Regulations, only a can complete this Report. A 'Competent Person' means a person that meets of the following criteria:

1.    
An experienced and suitably qualified engineer (at least HND or equivalent in an engineering discipline from a recognised academic institution);

2.    
Has demonstrable experience and expertise in flow measurement and heat/steam measurement systems demonstrated by training and development records;

3.    
Has a relevant background (involved in energy, utilities, building services, heating system design, heating system operation & maintenance);

4.    
Covered by Professional Indemnity Insurance  (through employer or directly);

5.    
Is unbiased and impartial.


Details of installation

  • The plant number/identifier is the tag that will enable the plant to be identified on the schematic diagram. We will uniqueally identify the primary plant and apply a site identifier.
  • The technology type must be one of the following: 
    • solid biomass (please indicate whether it is a CHP plant)
    • municipal solid waste (please indicate whether it is a CHP plant)
    • biogas (please indicate whether it is a CHP plant)
    • geothermal (please indicate whether it is a CHP plant)
    • ground source heat pump (please indicate if this will be used to generate cooling as well as heating)
    • water source heat pump (please indicate if this will be used to generate cooling as well as heating)
    • solar thermal.

  • The total installed peak heat output capacity of each plant should be assessed and clearly identified on schematic diagram and alll other information to be submitted to Ofgem.
  • Please note 'word of warning' that biogas and solar thermal installations are not eligible for the RHI if they have a total installed peak heat output capacity above 200kWth.
  • Heat use We will provide a detailed description of the building(s) in which the heat is used for eligible purposes, stating clearly the number of buildings in which heat is used for eligible purposes for Ofgem

  • Heat transfer medium We will detail the heat transfer medium used in the heating system of which the installation forms part. Only liquids (such as water, water-ethylene glycol mix, oil) or steam are eligible heat transfer media for the RHI for eligible purposes for Ofgem. Please note: Other media, such as hot air, are not eligible.
  • Simple/complex metering arrangements We will detail whether the installation is classed as ‘simple’ or ‘complex’ for RHI-metering purposesfor eligible purposes for Ofgem.



    'The Way Forward'

    We would be delighted to guide and support you through the process. 

    For further information and advice on RHI metering reports, RHI heat loss calculations or RHI schemeatic diagrams please contact:
    Nick Caine on  01900 61479 or by E Mail to rhi@caineconsulting.co.uk. 

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