Low Carbon Energy Feasibility Report
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Warwick District Low Carbon Energy Feasibility Report Warwick District Council June 2021 P0024285 Rev03 Warwick District Issue and Revision Record Revision Date Originator Checker Approver Narrative 00 11/04/2021 MICBE / SE Draft for Client review AL / CS 01 10/05/2021 MICBE / MICBE / Updated AL / CS / SE JB 02 28/05/2021 MICBE / MICBE Further updates addressing AL / CS Client comments 03 08/06/2021 WE / LS MICBE Amended to include planning sections Disclaimer This document has been prepared for the titled project or named part thereof and should not be relied upon or used for any other project without an independent check being carried out as to its suitability and prior written authority of RINA Tech UK being obtained. RINA Tech UK accepts no responsibility or liability for the consequence of this document being used for a purpose other than those for which it was commissioned. 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June 2021 │ P0024285 Rev03 Warwick District Contents Glossary ............................................................................................................................................ 6 1 Introduction .............................................................................................................................. 11 2 Renewable Electricity Generation ........................................................................................... 12 2.1 Constraints .................................................................................................................... 12 Grid capacity ..................................................................................................... 12 Grid connection costs ....................................................................................... 12 Other constraints ............................................................................................... 12 2.2 Potential renewable electricity generation sites ............................................................ 13 Land east of the A452 at Greys Mallory ........................................................... 13 Land south of the Banbury Road ...................................................................... 16 Hydropower on the River Avon ......................................................................... 22 Summary of sites .............................................................................................. 23 PV costs ............................................................................................................ 23 2.3 Grid connection ............................................................................................................. 24 Existing grid at Banbury Road .......................................................................... 24 2.4 Use of renewable energy .............................................................................................. 26 Variability in output and demand ...................................................................... 26 Purchasing via green supplier........................................................................... 27 Self-generation supplied via the grid ................................................................ 27 Battery storage .................................................................................................. 28 Renewable Energy Guarantee of Origin certificates ........................................ 28 Direct supply of a hydrogen production hub ..................................................... 29 3 Development of Hydrogen Hub ............................................................................................... 30 3.1 Hydrogen market ........................................................................................................... 30 3.2 Hydrogen production ..................................................................................................... 31 Grey hydrogen .................................................................................................. 31 Blue hydrogen ................................................................................................... 32 Green hydrogen ................................................................................................ 32 3.3 Storage and distribution ................................................................................................ 33 3.4 Fuelling vehicles ............................................................................................................ 35 3.5 Electrolyser location ...................................................................................................... 35 3.6 Economic case .............................................................................................................. 36 3.7 Planning & environmental considerations ..................................................................... 37 3.8 Conclusions ................................................................................................................... 40 3.9 Recommendations / next steps ..................................................................................... 41 4 District Heating - Myton ........................................................................................................... 43 4.1 Introduction .................................................................................................................... 43 Hydrogen boilers ............................................................................................... 43 Heat pumps ....................................................................................................... 43 District heating .................................................................................................. 44 4.2 Myton area ..................................................................................................................... 44 Building details .................................................................................................. 47 June 2021 │ P0024285 Rev03 Warwick District 4.3 Energy demand assessment ......................................................................................... 49 4.4 Energy solution .............................................................................................................. 51 4.5 Costs and funding ......................................................................................................... 51 4.6 Customer proposition .................................................................................................... 52 4.7 Commercial summary ................................................................................................... 53 4.8 Risks .............................................................................................................................. 54 4.9 Growth ........................................................................................................................... 54 4.10 Planning & environmental considerations ..................................................................... 54 Myton study area ............................................................................................... 55 4.11 Next steps ...................................................................................................................... 56 4.12 Conclusions ................................................................................................................... 56 5 Micro-generation ..................................................................................................................... 57 5.1 Introduction .................................................................................................................... 57 5.2 Building details .............................................................................................................. 57 5.3 Energy demand assessment ......................................................................................... 64 5.4 Microgeneration technology assessment...................................................................... 66 Technology ........................................................................................................ 66 5.5 CO2 emissions ............................................................................................................... 77 5.6 Financial appraisal ........................................................................................................ 79 5.7 Planning & environmental considerations ..................................................................... 82 Air source heat pumps ...................................................................................... 83 Ground and water source heat pumps ............................................................. 84 Solar .................................................................................................................