Affiliation: | aRenewable Energy Group, Heriot-Watt University, Old Academy, Back Road, Stromness, Orkney KW16 3AW, Scotland, United Kingdom bInternational Centre for Island Technology (ICIT), Heriot-Watt University, Old Academy, Back Road, Stromness, Orkney KW16 3AW, Scotland, United Kingdom cInstitute of Petroleum Engineering, Heriot-Watt University, Old Academy, Back Road, Stromness, Orkney KW16 3AW, Scotland, United Kingdom dScotrenewables Ltd, Stromness, Orkney KW16 3AW, Scotland, United Kingdom |