Orkney Grid Presentation Presentation for OREF by Colin Risbridger - - PowerPoint PPT Presentation

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Orkney Grid Presentation Presentation for OREF by Colin Risbridger - - PowerPoint PPT Presentation

Dec 28, 2022 49 likes •140 views

Orkney Grid Presentation Presentation for OREF by Colin Risbridger colin@crisenergy.co.uk Orkney Distribution Network March 2013 33/11kV substations and other equipment Westray Sub Station 4MVA Eday Sub Station 1MVA Rousay Sub Station 1MVA

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Orkney Grid Presentation

Presentation for OREF by Colin Risbridger

colin@crisenergy.co.uk

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Orkney Distribution Network March 2013

33/11kV substations and other equipment

Westray Sub Station 4MVA Sanday Sub Station 1MVA 2 5 & 0 4MVAr Reactor Eday Sub Station 1MVA Rousay Sub Station 1MVA Burgar Hill Sub Sation 2.5 & 0.4MVAr Reactor Stronsay Sub Station 1MVA 1&0.6MVAr Reactors 8MVA 4.75MVAr Reactor EMEC Sub Station 1MVA 2MVAr Reactor Shapinsay Sub Station 1MVA Stromness sub station 8MVA Station 1MVA Kirkwall Sub Station 48MVA North Hoy Sub Station 0.15MVA St Marys Sub Station 4MVA Lyness Sub Station 1MVA Flotta Sub Station 8MVA Scorrodale Static Var compensation

2 x Submarine Cables (20MVA & 32MVA)

Flotta Sub Station 8MVA

colin@crisenergy.co.uk

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Orkney Generators - March 2013

colin@crisenergy.co.uk

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Orkney Generation - March 2013

Total local Generation, therefore connections 80MW

Gallowhill 0.9MW 11kV Gallowhill 1.8MW 11kV Microgeneration 0.559MW Hammer 0.5MW 415V Eday Wind 0.9MW 11kV 2MVAr Reactor Microgeneration 0 148MW Sigurd 1.5MW 11kV Th fi 4 3MW 11kV Newark 0.5MW 11kV Spurness 7.5MW Spurness 2.45MW 2.5 & 0.4MVAr Reactor Microgeneration 0.148MW Rousay Wind 0.9MW 11kV Microgeneration 0.434MW Hammers Hill 4.5MW Thorfinn 4.3MW 11kV NWP 5.0MW Burgar Hill 2.3MW Evie Wind 2.3MW Luddenhill 0.5MW Microgeneration 0.719MW 4.75MVAr Reactor EMEC 4MW 11kV Microgeneration 0.427MW Bu Farm 2.7MW Stronsay Wind 0.9MW 1&0.6MVAr Reactors Microgeneration 0 078MW Shapinsay Wind 0.9MW Microgeneration 0.059MW Hatston 0.9MW 11kV R ibi t 0 9MW DounbyWind 0.9MW 11kV Microgeneration 0.078MW g Rennibister 0.9MW Cleat 0.08MW 11kV Storage Park 2MW Dale Spot 0.08MW Barns of Ayre 2.7MW Thorkell 0.9MW 11kV EMEC 7MW 11kV Stromness Micro 0.668MW Salmon Fish Farm 0.055MW 11kV p Towerhill 0.08MW Scapa Wind 0.08MW Microgen 0.703MW Fea Wind 0.08MW 11kV New Holland 0.5MW 11kV Microgeneration 0.927MW Burray 0.9MW 11kV Scorrodale Static Var compensation

2 x Submarine Cables (20MVA & 32MVA)

Ore Brae 0.9MW 11kV Microgeneration 0.121MW West Hill 2MW 11kV

Firm connection 26.455MW Intertrip connected 19.4MW ANM connected 28.55MW Microgeneration 4.967MW Flotta 10.5MW Pinch Point Monitoring Produced by Colin Risbridger for Grid Working Group – colin@crisenergy.co.uk

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Orkney Distribution Network March 2013

Cable Capacities (Spring/Autumn)

Westray Cable 12MVA Eday Cable 12MVA Eday Cable 12MVA Rousay Cable 12MVA Sanday Cable 16MVA Stronsay Cable 16MVA Burgar Hill Cable 24.9MVA Shapinsay Cable 12MVA Rendall Cable 18.1MVA Scorradale Cable 16.1MVA Stromness Cable 15.7MVA Scorradale Cable 16.1MVA Stromness Cable 15.7MVA Burray Cable 3.5 MVA St Marys Cable 22.3MVA North Hoy Cable 14MVA LynessCable 16.6 MVA Flotta Cable 14MVA

colin@crisenergy.co.uk

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Orkney Distribution Network March 2013

Power Flows

Westray Cable 12MVA Eday Cable 12MVA Eday Cable 12MVA

Zone 1 – 15.141MW Zone 2a – 14.055MW

Rousay Cable 12MVA Sanday Cable 16MVA Stronsay Cable 16MVA Burgar Hill Cable 24.9MVA

Zone 1a – 16.619MW

Shapinsay Cable 12MVA Rendall Cable 18.1MVA Scorradale Cable 16.1MVA

Zone 2 – 0.959MW

Stromness Cable 15.7MVA Scorradale Cable 16.1MVA Stromness Cable 15.7MVA

Zone 3 – 13.145MW C Z 13 946MW

St Marys Cable 22.3MVA

Zone 3 13.145MW Zone 4 – 5.507MW Core Zone – 13.946MW

colin@crisenergy.co.uk

Burray Cable 3.5 MVA North Hoy Cable 14MVA LynessCable 16.6 MVA Flotta Cable 14MVA

Generation in red

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Orkney Grid Presentation

Performance in terms of kWh – Large Scale ROC Generators colin@crisenergy.co.uk

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Orkney Grid Presentation

Numbers – SmallScale FiT Generators <50kW Capacity Factors for small generators taken from Orkney Database of 47 of the 444 small scale generators. Email me if you would like to join the database and share information with others. colin@crisenergy.co.uk

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Orkney Grid Presentation

What about the future?

  • We need to think kWh and not kW – Income based on kWh, grid costs on kW
  • We need to think about kVArs and not just kWh – Flexible commercial connection terms

We need to think about kVArs and not just kWh Flexible commercial connection terms

  • We need to think Volts not just kVArs – Stability of network and security of supply
  • We need to think about thermal limits – Cable Failures and Equipment failures
  • We need to think about safety of those working on the network – Switching to keep power on

We need to think about safety of those working on the network Switching to keep power on

  • We need to distribute the benefits from RE wider in society – Fuel Poverty scandalous
  • We need to identify the short term fixes and implement solutions – Not just Transmission
  • Look for demand solutions where sensible as they cause harm – Electric heating for microgen

y g g

colin@crisenergy.co.uk